Hp SAN Virtualization Services Platform Manuel d'utilisateur

HP StorageWorksSAN Virtualization Services Platform ManagerUser GuideThis guide describes how to use the Virtualization Services Manager (VSM) client

Changing the synchronous local mirror group mode ... 306Resuming synchronous mirror groups ...

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made on thePiT. This field shows you how much capacity from th

DescriptionPropertyThe status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM server

DescriptionPropertyThe status of the DPM. Possible values:•—Present status. The DPM is recognized and communicating properly withthe active VSM server

DescriptionPropertyThe first LBA of the back-end LU on which the virtual disk segment is allocated towhich the virtual disk is mapped.Device Start LBA

Virtual disk information—Virtual Disk Copy tabThe Virtual Disk Copy tab displays information about all virtual disks which are related to the selected

Figure 21 Hierarchy tab.The following are represented in the hierarchy:• The selected virtual disk—This is displayed even if no snapshot PiTs or snaps

DescriptionPropertyThe ID (WWPN) of the holder of the persistent reservation.• For most reservation types, this is the initiator port for which the re

3. Select New. The Create Virtual Disk wizard opens to the Enter Virtual Disk parameters screen.Figure 22 Create Virtual Disk wizard—Enter Virtual Dis

9. Click Next. The Select Storage Pool(s) screen appears, displaying the list of available storagepools.Figure 23 Create Virtual Disk wizard—Select St

16. Click Next. If you selected Set permission later in step 5, skip to step 28. If you selected VSMServer or UDH in step 5, the Select host(s) screen

22 Managing security and users ... 339Configuring general security options ...

23. Select the LUN through which you want VSM to expose the virtual disk. You may use the Nextfree LUN option or specify a number. This must be a uniq

27. Use the checkboxes to set one DPM in the DPM group as primary and one DPM as secondary.NOTE:• Use care in selecting the primary and secondary DPMs

NOTE:There is no quick way to convert a thin provisioned virtual disk back to a regular virtual disk. Theonly way to convert back to a regular virtual

5. If you would like to select a storage pool from a folder, navigate to the folder in the tree on theleft of the screen. The Select Storage Pool(s) s

5. If you would like to select a virtual disk from a folder, navigate to the folder in the tree on the leftof the screen. The Select Virtual Disk(s) s

6. Click Next. The Select host(s) screen appears, displaying the list of available hosts that are ofthe type you selected in step 5.Figure 27 Add Host

16. Use the checkboxes to set one DPM in the DPM group as primary and one DPM as secondary.NOTE:• Use care in selecting the primary and secondary DPMs

6. Click Add. The host you selected appears in the lower area of the screen. If you want to deselectthe host, select the host in the lower area, and c

Changing the virtual disk LUNIf a virtual disk is set to allow permission only to UDH hosts, you can change the LUN that the DPMuses to expose the vir

5. Use the checkboxes to set one DPM in the DPM group as primary and one DPM as secondary.NOTE:• Use care in selecting the primary and secondary DPMs

Importing event logs from VSM servers ... 366Backing up event logs ...

7. Click Finish. The virtual disk is defined as clustered.Clearing persistent reservation for virtual disksIn the event that a persistent reservation

Setting application types for virtual disksTo set a virtual disk’s application type:1. In the navigation tree, expand the Entities node.2. Click the V

By default, all virtual disks are assigned an OUID of 0, which is regarded as having no OUIDassignment.• To effectively assign an OUID, you must chang

9 Working with virtual disk groupsA virtual disk group (VDG) is an entity that you can create to encapsulate multiple virtual disks intoone entity. Ev

DescriptionPropertyThe status of the VDG. Possible values:• Normal—All members of the VDG have normal status.• Partial—One or more of the VDG members

These tabs are described in the following sections.VDG information—Members tabThe Members tab displays the members of the VDG. Members can be virtual

DescriptionPropertyThe status of the PiT. Possible values:• Init—The PiT is being created.• Normal—The status of all the virtual disks from which the

VDG information—Host Presentation tabThe Host Presentation tab displays the hosts that have permission to access the VDG or members ofthe VDG. Permiss

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM

DescriptionPropertyThis indicates whether the DPM is configured as the primary DPM for presentingthe VDG members to hosts.PrimaryIndicates whether the

FiguresThe VSM client window ... 221VSM client window elements

Figure 28 Hierarchy tab.VDG information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform on the

To create a VDG, you must select at least one virtual disk or snapshot. Virtual disks or snapshots whichhave host permissions must also have identical

14. Repeat steps 11 through 13 to add more snapshots as necessary. You must select at least onesnapshot or virtual disk to be able to complete the cre

8. Click Next. A confirmation screen appears.9. Click Finish. The virtual disk or snapshot is added to the VDG.Adding any combination of members to a

Removing any combination of members from a VDGTo remove members from a VDG:1. Right-click the VDG.2. Select Manage > Add/Remove Members > Remove

1. Right-click the VDG to which you want to add host permission.2. Select Manage > Manage Permission > Add Host Permission. The Add Host Permiss

10. Select one of the following:• Next free LUN (recommended)—VSM assigns the next free LUN available for presenting theVDG to permitted host(s).• Spe

14. Use the checkboxes to set one DPM in the DPM group as primary and one DPM as secondary.NOTE:• If another host that is connected to the domain thro

1. Right-click the VDG.2. Select Manage > Manage Permission > Remove Host Permission. The Remove Host Permissionwizard opens to the Select host(

6. Change the assigned OUID value.7. Click Next. A confirmation screen appears.8. Click Finish. The virtual disks’s OUID is changed.Managing active an

Set Preferred Path wizard—Select DPM Group screen ... 15533Set Preferred Path wizard—Select Preferred Pat

2. Select Manage > Manage Data Path Module > Change active Data Path Module. A confirmationscreen appears.3. Click Finish. The active DPM is swi

3. If you want to delete the VDG members as well as the VDG, check Delete Members.NOTE:Even if you check Delete Members to delete the members, any mem

Working with virtual disk groups142

10 Working with hostsA host is connected to two DPMs in a DPM group using a dual-fabric SAN. Each host requires operatingsystem specific multipath sof

• Change preferred path (change the primary path through which virtual disks are presented to ahost)• Change LUN range (change the range of LUNs used

• The range of OUID values is 1 to 32767. A LUN with an OUID of 0 is regarded as having noOUID. VSM performs a verification to make sure that an assig

DescriptionPropertyThe name of the host, as defined in the host operating system. The icon next tothe name reflects the operating system (OS) of the h

DescriptionPropertyThe type of connections over which the VSM servers of the local SVSP domainrecognize the HBA. Possible values:• Local—The host is t

DescriptionPropertyThe last of the range of LUNs that can be assigned to virtual disks when they areassigned to this host from this SVSP domain.Defini

Host information—HBA tabThe HBA tab provides information about the HBAs through which the host is connected to the SAN.Table 59 Host HBA tab fieldsDes

The Options dialog box—Event Log Parameters tab ... 37069The Maintenance dialog box ...

DescriptionPropertyThe type of connections over which the VSM servers of the local SVSP domainrecognize the HBA. Possible values:• Local—The host is t

DescriptionDisplay fieldThe LUN by which the element is presented to the host. Relevant only for UDHhosts.LUNHost information—Personalities tabThe Per

Host information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform on the selectedhost and the re

5. Click Next. The Select HBA(s) screen appears, displaying the list of available HBAs.Figure 32 Create UDH wizard—Select HBA(s) screen.6. If you woul

16. Click Next. The Select Folder screen appears.17. If you want to add the UDH to a folder, enter the folder name in the Folder field or click Browse

If no preferred path is set for UDH hosts, VSM distributes virtual disks evenly between DPMs for staticload balancing. The first virtual disk that is

4. Click Next. The Select preferred path screen appears.Figure 34 Set Preferred Path wizard—Select Preferred Path screen.5. Select the DPM within the

Changing the LUN rangeYou can change the LUN range for a host, per domain, to ensure that virtual disks presented by aDPM to a host from two different

• Add a virtual disk to a virtual disk group. Before doing this, the virtual disk must have the sameset of presentations as the virtual disk group or

11 Working with host groupsA host group contains multiple hosts. A host can only belong to one host group. Virtual disks that arepresented to a host g

TablesMenu options ... 241Toolbar icons ...

2. Click the Host Group node. The host groups list appears in the list area. The following propertiesare displayed for each host group.Table 64 Host g

To view information related to a host group, in the host groups list, select a host group. The followingtabs are displayed in the tabs area below the

DescriptionPropertyThe type of connections over which the VSM servers of the local SVSP domainrecognize the HBA. Possible values:• Local—The host is t

DescriptionDisplay fieldYes indicates that the virtual disk or VDG is defined as a cluster resource. Thissetting tunes the SVSP system behavior when t

Creating host groupsTo create a host group:1. In the navigation tree, expand the Entities node.2. Right-click the Host Group node.3. Select New Shared

Removing a host from a host groupTo remove a host from a host group:1. In the navigation tree, expand the Entities node.2. Click the Host Group node.

Deleting a host groupNOTE:After deleting a host group, the hosts that were members of the group are not deleted, but they losetheir permission to all

12 Managing host bus adaptersEach VSM server detects the host bus adapters (HBAs) installed on itself and the HBAs reported bythe DPMs on the SAN. Whe

2. Click the HBA node. The HBAs list appears in the list area.Figure 35 HBAs list.The following properties are displayed for each HBA.Table 69 HBA pro

DescriptionPropertyThe status of the HBA. Possible values:• Present—The VSM server detects the HBA on the SAN.• Failed—The HBA is recognized over Fibe

Storage Pool properties ... 8233Storage pool Back-End tab fie

HBA information—Host tabThe Host tab displays the properties of the host or DPM to which the selected HBA belongs, if known.The host may be the VSM se

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling the active VSMse

DescriptionPropertyThe primary path through which virtual disks are presented to the host. Preferredpath is applicable to hosts with the following age

DescriptionPropertyThe number of LUNs in the range that can be assigned to virtual disks when theyare assigned to this host from this domain.Defining

HBA information—Security tabThe Security tab displays the access permissions of users and user groups for the selected HBA. Forinformation about confi

Adding HBAs to a host by right-clicking the hostThis procedure adds one or more HBAs to a UDH host.To add HBAs to a host:1. Right-click the host.2. Se

Removing HBAs from hostsRemoving an HBA from a host informs VSM that a given HBA is no longer installed on a given host.Removing HBAs from hosts is su

Deleting HBAsWhen an HBA is physically removed from the SAN, VSM detects the removal and changes the HBAsstatus to absent ( ). VSM enables you to dele

Managing host bus adapters178

13 Working with Data Path ModulesA Data Path Module (DPM) is a device deployed in a split-path architecture that is responsible for thedata flow betwe

HBA Host tab fields ... 17070HBA Access Path tab fields ..

2. Click the Data Path Module node. The DPMs list appears in the list area. The following propertiesare displayed for each DPM.Table 74 DPM properties

DescriptionPropertyAlways displays “system,” since the DPM as an entity is automatically createdafter being detected by the VSM server.Created ByThe l

DescriptionPropertyThe World Wide Port Name (WWPN) of a DPM port, as detected by the VSMapplication upon connection to the SAN fabric.The icon next to

DPM information—Front End HBA tabThe Front End HBA tab displays the host HBAs that are connected to the selected DPM. HBAs installedon hosts are conne

DPM information—Virtual Disks tabThe Virtual Disks tab displays the virtual disks, snapshots, virtual disk groups, and VDG snapshotsthat are presented

DPM information—Security tabThe Security tab displays the access permissions of users and user groups for the selected DPM. Forinformation about confi

3. Right-click the DPM whose storage elements you want to failover.4. Select Manage > Failover all. A confirmation screen appears.5. Click Finish.N

4. Select Manage > Replace. The Replace wizard opens to the Select DPM screen. The upper areaof the screen displays the available DPMs.Figure 36 Re

Working with Data Path Modules188

14 Working with DPM groupsEach Data Path Module (DPM) group contains one primary and one secondary DPM.You can:• View the DPM groups list (view all th

Snapclone group Snapclone Task tab field ... 246107Snapclone group Security tab fields ...

DescriptionPropertyThe current status of the DPM group. Possible values:• Present—For both DPMs in the DPM group, the fabric agent is polling to theVS

These tabs are described in the following sections.DPM group information—DPM tabThe DPM tab displays information about each DPM in the selected DPM gr

DPM group information—Host tabThe Host tab displays information about each host to which the DPM group exposes objects.Table 83 DPM groups Host tab fi

DescriptionPropertyThe type of operating system that runs on the host.OS TypeThe type of agent that runs on the VSM server or DPM. Possible values:• N

DescriptionPropertyThe status of the VSM storage element.StatusIndicates that the VSM storage element is being exposed by the primary DPM inthe DPM gr

2. Right-click the DPM group node.3. Select New. The Create DPM Group wizard opens to the DPM Group parameters screen.Figure 37 Create DPM Group wizar

Adding a DPM to an existing DPM groupIf an existing DPM group only has one DPM, you can add a second DPM. This might be required ifa DPM failed and it

4. Select Manage > Rename. The Rename wizard opens to the New name screen.Figure 40 Rename Wizard—New name screen.5. In the New name field, enter a

5. Click Finish. The DPM group is deleted.Working with DPM groups198

15 Using snapshotsThe snapshot service is a facility for making low-capacity snapshots. Snapshots can be made availableto any host for purposes such a

Legal and notice information© Copyright 2008-2010 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP requi

Security permission types ... 351144Permission Template properties

• Accelerated application testing—Snapshots enable you to radically reduce the time needed toprepare data for test runs. Copying and staging data is r

Creating PiTsYou can create a PiT on the following storage elements:• A virtual disk. However, you cannot create a PiT on one of the domain’s setup vi

8. Click Finish. The PiT is created and is listed in the PiT tab for the element on which the PiT wascreated. If the PiT was created on a snapshot, th

4. In the tabs area, select the PiT tab. The following information is displayed for each PiT.Table 87 Virtual Disk/VDG/Snapshot/VDG Snapshot PiT tab f

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made onthe PiT. This field shows you how much capacity from th

1. Right-click the PiT.2. Select Delete. A confirmation screen appears.3. Click Finish. The PiT status changes to Resync and disappears after the sync

7. Click Next. The Select PiT screen appears.Figure 41 Create Snapshot wizard—Select PiT screen.8. From the list in the upper area of the screen, sele

14. If you selected Set permission later in step 4, continue with step 26. Otherwise, click Next. TheSelect Host(s) screen appears, displaying the lis

Viewing the snapshots listThe snapshots list displays all snapshots managed in the domain.To display the snapshots list:In the navigation tree, click

Viewing snapshot informationYou can display detailed information related to each snapshot in the tabs area below the snapshotslist.To view information

1 Getting startedIn order to run the Virtualization Services Manager (VSM) client, the VSM software must be installedon a computer dedicated as a VSM

DescriptionPropertyThe capacity of the storage pool that is not yet allocated to virtual disks.Free CapacityA free text display field. To modify the t

DescriptionPropertyThe storage capacity of the temporary virtual disk.CapacityThe actual storage capacity for a thin provisioned virtual disk. If the

DescriptionPropertyThe status of the PiT.• Normal—The status of all the virtual disks from which the PiT is constructed isnormal. This includes an ori

Snapshot information— PiT tabThe PiT tab displays any PiTs created on the selected snapshot.Table 92 Snapshot PiT tab fieldsDescriptionPropertyThe row

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made on thePiT. This field shows you how much capacity from th

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM

DescriptionPropertyIndicates whether the DPM is the primary DPM for the snapshot. The primary DPMfor the snapshot is the preferred DPM through which a

Figure 43 Hierarchy tab.Snapshot information—Persistent Reservation tabThe Persistent Reservation tab shows the status of the persistent reservations

DescriptionPropertyThe name of the host that owns the persistent reservation.Host NameThe ID (WWPN) of the DPM target port that received the reservati

DescriptionPropertyYes indicates that the virtual disk or VDG is defined as a cluster resource. Thissetting tunes the SVSP system behavior when the vi

5. If this is the first time you are connecting to a specific VSM server, select Connect to Server andenter the IP address of the VSM server in the Co

VDG snapshot information—Members tabThe Members tab displays the snapshots that are members of the VDG snapshot.Table 99 VDG Snapshot Members tab fiel

DescriptionPropertyThe current state of the PiT. Possible values:• Normal— The temporary virtual disk is in a normal operational state.• Resync—The Pi

DescriptionPropertyThe status of the PiT. Possible values:• Init—The PiT is being created.• Normal—The status of all the virtual disks from which the

VDG snapshot information—Host Presentation tabThe Host Presentation tab displays the hosts that have permission to access the selected VDG snapshot.Ta

DescriptionPropertyThe status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM server

DescriptionPropertyIndicates whether the DPM is the primary DPM for the VDG snapshot. The primaryDPM for the VDG snapshot is the preferred DPM through

Figure 44 Hierarch tab.VDG snapshot information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform

3. Right-click the snapshot or VDG snapshot to which you want to add host permission.4. Select Manage > Manage Permission > Add Host Permission.

11. Click Next. If you selected a host that is a VSM server, a confirmation screen appears. Continuewith step 18. If you selected a UDH host, the Sele

6. Select one of the following from the dropdown list:• Full—Assigns read/write permission to the host.• Read—Assigns read-only permission to the host

4. Click Next. A confirmation screen appears.5. Click Finish. Your password is changed.Reconnecting to a VSM serverOnce you are running the VSM client

2. Select Manage > Manage Permission > Change LUN. The Change LUN wizard opens to theSelect host(s) screen.3. In the upper area of the screen, s

3. Use the checkboxes to set one DPM in the DPM group as primary and one DPM as secondary.NOTE:If you click Finish without defining the primary and se

1. In the navigation tree, expand the Entities node.2. Click the Snapshot node. The snapshots list appears in the list area.3. Right-click the snapsho

5. Change the assigned OUID value.6. Click Next. A confirmation screen appears.7. Click Finish. The snapshot’s OUID is changed.Managing OUIDs for VDG

CAUTION:• When a snapshot or VDG snapshot is deleted, the hosts that use it lose access to the snapshot orVDG snapshot. It is therefore recommended th

Figure 47 VSS PiT—example.VSS snapshots are identified in the Comment column of the snapshots' source PiTs.Figure 48 VSS snapshot—source PiT—exam

NOTE:For hosts running Windows 2008, VSM supports the following operations:• You can convert VSS PiTs to regular PiTs.• You can grant read-write permi

6. Select the Hierarchy tab. The Hierarchy tab displays the original source virtual disk or VDG andthe entire snapshot hierarchy dependent on that sou

3. Either:a. Right-click the PiT to which you want to roll back a virtual disk, VDG, or VDG snapshot.b. Select Manage > Rollback PiT. The Rollback

Restoring from snapshotsInstant restore is an operation that replaces a virtual disk or VDG with a snapshot that was createdfrom the virtual disk or V

Figure 2 VSM client window elements.The VSM client window features:• Menu—Provides the following menu options.Table 1 Menu optionsDescriptionMenu item

• The number of virtual disks on which you are creating PiTs.• How much data is modified over a period of time (for example between successive PiT cre

2. Select the Configuration tab. The configuration options appear.Figure 50 Options dialog box—Configuration tab.3. In the Storage Pool Protection Thr

Using snapshots242

16 Using snapclonesThe snapclone service enables you to create multiple physical copies of any Virtualization ServicesManager (VSM) virtual disk or sn

• High performance LAN-free and server-free backup — Administrators can create an independentphysical snapclone, allocate it to a backup server and ex

DescriptionPropertyThe status of the snapclone group. Possible values:• Normal—All tasks in the group are progressing normally.• Suspended—All tasks i

Snapclone group information—Snapclone Task tabThe Snapclone Task tab displays the tasks running on the selected snapclone group.Table 107 Snapclone gr

Snapclone group information—Security tabThe Security tab displays the access permissions of users and user groups for the selected snapclonegroup. For

• Conditions must be such that a PiT can be created on the virtual disk.• The virtual disk must not be the setup virtual disk for the domain.• No othe

6. From the Set permission to host dropdown list, select one of the following:• Without permissions—Select this option if you do not want to assign pe

DescriptionMenu itemManage license keys.For more information, see the HP StorageWorks SAN Virtualization Servicesadministrator guide.LicensePerform ma

20. If you would like to select a storage pool from a folder, navigate to the folder in the tree on theleft of the screen. The Select Storage Pool scr

36. Click Finish. The snapclone group is created and the first task starts processing.Creating snapclone groups on VDGsCreating a snapclone group on a

11. Click Add. The VDG you selected appears in the lower right area of the screen. If you want todeselect the VDG, select it in the lower right area,

21. Optionally, designate the destination virtual disk as thin provisioned by checking the Thin Provisionoption. This option is applicable only if the

1. Right-click the snapclone group.2. Select Manage > Add Task. The Add Task wizard opens to the Enter Task parameters screen.3. In the Task name f

19. If you selected a VSM Server host, continue with step 25. Otherwise, click Next. The Select LUNscreen appears. Select one of the following:• Next

11. In the Destination Name column, specify names for the destination virtual disks that will be createdby the task. You may do any or all of the foll

20. Select a DPM group and click Add. The DPM group you selected is displayed in the lower areaof the screen.21. Click Next. The Select preferred path

2. Select the Snapclone Task tab.3. Right-click a task.4. Select Manage > Resume. A confirmation screen appears.5. Click Finish. The task resumes.T

17 Using migrationThe migration service is the facility that copies and moves the data within VSM virtual disks from onestorage pool to another. Durin

DescriptionMenu itemDetach an asynchronous mirror group or task.Split an asynchronous mirror group.HelpOpen the online help.Display information about

• Information Lifecycle Management (ILM)—As the value of data changes over time, migration enablesyou to migrate virtual disks to appropriate storage

DescriptionPropertyThe time at which the group was last modified.Modification TimeThe user who last modified the group.Modified ByViewing migration gr

DescriptionPropertyThe temporary name of the destination virtual disk of the task, specified as theauxiliary name when the migration group was created

DescriptionDisplay fieldThe reason why the operation is disabled.ReasonCreating migration groupsA migration group defines a source element for migrati

6. From the Data Mover mode dropdown box, select one of the following:• Any node—Select this option to enable a migration to select the VSM server tha

To create a migration group on a VDG:1. Do one of the following:a. Right-click the VDG that you want to migrate.b. Select Manage > Migration Servic

15. In the Auxiliary Virtual Disk column, specify the names for all the auxiliary virtual disks. You maydo any or all of the following:• Click Set def

To suspend all tasks on a migration group:1. Right-click a migration group.2. Select Manage > Suspend. A confirmation screen appears.3. Click Finis

Built-in capacity protectionVSM features a built-in protection mechanisms for storage pools running out of free capacity. Theobjective of the protecti

18 Using mirroringThe mirror service enables you to mirror virtual disks asynchronously between domains, andsynchronously within a domain.In asynchron

Using the display areaFigure 3 shows the appearance of the display area when you select a node in the tree to whichobjects belong.Figure 3 Display are

are created, you can create up to two additional tasks for additional destination virtual disks. Multipletasks can be defined per group, representing

The mirror service enables you to specify the number of PiTs to maintain on the source domain, pergroup, and the number of PiTs to maintain on the des

DescriptionPropertyThe status of the group. Possible values:• Normal—All tasks in the group are progressing normally.• Suspended—All tasks in the grou

DescriptionPropertyA configurable value that determines when an alert is triggered for cases in whichthe number of mirror PiTs on the group source ele

Async mirror group information—Async Mirror Task tabThe Async Mirror Task tab displays the tasks running on the selected async mirror group.Table 115

Async mirror group information—Source Domain's PiT tabThe Source Domain’s PiTs tab displays the mirror PiTs on the group source element. The tab

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made on thePiT. This field shows you how much capacity from th

• The virtual disk must not be a member of a VDG. (You can, however, create an asynchronousmirror group on a VDG.)• The virtual disk must not be the d

2. In the Async Mirror Group name field, enter a name for the group.3. In the Async Mirror Task name field, enter a name for the first task that will

10. In the “Minimum creation time between two PiTs” field, enter the interval at which the mirrorservice should check for conditions suitable for crea

• Right-click an object to access operations that you can perform on the object.• Double-click an object to display detailed information about the obj

28. If you would like to select a storage pool from a folder, navigate to the folder in the tree on theleft of the screen. The Select Storage Pool scr

8. Uncheck Create standard PiTs if you do not want the mirror service to create standard PiTs onthe group source element. If you uncheck Create standa

19. Select the destination domain for the group’s first task.20. Click Add. The domain you selected appears in the lower right area of the screen. If

Working with user PiTsA user PiT is a mirror PiT, the creation of which is triggered by a user, which is copied to thedestinations of all tasks runnin

To release the user PiTs on an async mirror group source element:1. Right-click the group.2. Select Manage > Release source User PiTs. A confirmati

3. Modify any of the following parameters, if required.Table 119 Async mirror group parametersDescriptionPropertyFrom the dropdown box, select one of

Suspending asynchronous mirror groupsWhen you suspend an async mirror group, all tasks are suspended and standard mirror PiT creationstops. While a gr

enables you to transfer production from a virtual disk to a mirror of the virtual disk without losingapplication data.Split is enabled only under the

back the destination virtual disk to that PiT, erasing other PiTs as necessary. The merge fails if themirror service cannot find any synchronized PiT.

11. From the User PiT Copy mode dropdown box, select one of the following modes for copying userPiTs:• Copy newest PiTs—When the time comes to start c

2. Right-click any column heading. The “Format Columns of:” dialog box appears.Figure 4 Format Columns of: dialog box.3. Do any of the following:• Con

23. In the upper area of the screen, select the VSM server on the remote domain that you want tohandle the group’s tasks on the remote side.24. Click

8. If you would like to select a snapshot from a folder, navigate to the folder in the tree on the leftof the screen. The Select Snapshot(s) screen di

1. Right-click the group to which you want to add a task.2. Select Manage > Add Task. The Add Task wizard opens to the Enter Task parameters screen

5. In the Required destination PiTs field, enter the number of mirror PiTs of the source element thatshould be maintained on the destination storage p

Deleting async mirror tasksDeleting an async task deletes the task, the destination virtual disk of the task, and the PiTs on thedestination virtual d

Viewing sync mirror groupsYou can view all sync mirror groups in the sync mirror groups list.To display the sync mirror groups list:In the navigation

DescriptionPropertyThe mode of maintaining reallocation table virtual disks for the group’s tasks.Possible values:• Dirty Regions—The mirror service i

• Disabled Operations—Shows which operations you cannot currently perform on the group, andthe reason for each.These tabs are described in the followi

DescriptionPropertyThe name of a PiT on the group.NameThe status of the PiT.• Init—The PiT is being created.• Normal—The status of all the virtual dis

Sync mirror group information—Host Presentation tabThe Host Presentation tab displays information about the host with permission to access the sync mi

Contents1 Getting started ... 21Launching the VSM client ...

Printing and savingYou can print the contents of the display area or save them to a text file.• To print the contents of the display area, select File

DescriptionPropertyThe current status of the host. Possible values:• Present— For VSM servers, this indicates that the host is polling to the activeVS

DescriptionPropertyThis setting indicates whether the DPM is the primary DPM for the virtual disk. Theprimary DPM for the virtual disk is the preferre

Sync mirror group information—Persistent Reservation tabThe Persistent Reservation tab shows the status of the persistent reservations of the selected

Sync mirror group information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform on the sync mirro

3. From the Mode dropdown box, select one of the following:• Automatic failover—If a task fails, the mirror service continues to service the applicati

5. If necessary, modify the host’s permission:a. In the selected host’s Permission column, click the permission. The field becomes a dropdownbox.b. Se

2. Select Manage > Manage Presentation > Remove Host Presentation. The Select Host(s) screenappears. The upper area of the screen displays the h

3. From the Mode dropdown box, select one of the following:• Continue-on-Fail—If a task fails, the mirror service continues to service the application

• All tasks in the group are detached.• Host permissions are removed from the virtual disks, but the virtual disks are not deleted.• When the deleted

6. Select a destination domain for the task.7. Click Add. The domain you selected appears in the lower right area of the screen. If you wantto deselec

DescriptionSettingCheck to include VSS generated snapshots and PiTs when the snapshotslist or a list of PiTs is displayed.Show VSS ViewsCapacity prese

3. In the Comment field, enter any text you want.4. Click Next. A confirmation screen appears.5. Click Finish. The PiT is created, and the group’s tas

Possible actionDescriptionTask statusCheck the host that is running the Local Mirror Group.Find out if indeed the task's destination virtual disk

Possible actionDescriptionTask statusOn the host running the sync mirror group, verify thatthe status of each task’s destination virtual disk isNormal

Possible actionDescriptionTask statusThe problem might be specific to the cluster node thatowns the resource. If the Resume or Change Modeoperations a

Possible actionDescriptionTask statusCheck the mirror state reported in the Host Presentationtab for the group for each cluster node.If at least one n

19 Working with foldersVirtualization Services Manager (VSM) enables you to create folders in order to manage your entities.Many users find it difficu

Viewing folder informationYou can display detailed information about any listed folder or subfolder in the tabs area below thefolders list.To view fol

DescriptionDisplay fieldThe reason why the operation is disabled.ReasonCreating foldersWhen you create a new folder, you create a shell with no conten

2. Click Browse. The Select Folder dialog box appears.3. Navigate to and select the folder to which you want to copy the folder you are moving.4. Clic

• Add entities to folders• Move entities between folders• Remove entities from foldersViewing folder contentsYou can view the entities contained in fo

3. Change any of the settings, as required. Table 4 describes the settings.Table 4 Appearance settingsDescriptionSettingFrom the dropdown box, select

In the folders list area, select an entity. In the tabs area, tabs appear that are relevant to the type ofentity you selected.Adding entities to folde

CAUTION:If you right-click an entity in a folder and select Folder > Remove From Folder, the entity is removedfrom the folder, but not deleted from

Working with folders322

20 Searching VSMThe VSM client enables you to search for objects of a specific type in the local SVSP domain. Youcan save your search criteria to a qu

2. Specify your search criteria. You can do the following:Figure 51 The Search dialog box.• Specify an exact object name, as follows: Enter the name i

NOTE:Click Reset at any time to clear your search criteria.3. If you want to save your search criteria to a folder, do the following:a. Check Add sele

5. Click Find. Your search results appear in a separate window.If you checked Add selected items to folder, your search results are saved to the selec

Figure 53 The Search dialog box—Advanced tab.You can add multiple advanced search criteria to the “Find items that match this criteria” box. Whenyou c

Searching VSM328

21 Working with queriesThe VSM client enables you to query the objects on the local SVSP domain to find objects that matchcriteria that you define. Qu

3. Change any of the settings, as required. Table 5 describes the settings.Table 5 Configuration settingsDescriptionSettingEnables alerts for cases in

Figure 54 The query list.The following properties are displayed, by default, for each query.Table 135 Query propertiesDescriptionPropertyThe row numbe

Query information—Security tabThe Security tab displays the access permissions of users and user groups for the selected query. Forinformation about c

6. Click Finish. The new query is created.To add criteria to your query, go to “Adding criteria to queries” on page 332.Creating quick queriesQuick qu

3. Select the object type that you want to modify in your query. The Edit parameters dialog boxappears.Figure 55 The Edit Parameters dialog box.SAN Vi

4. Specify your query criteria. You can do the following:• Specify an exact object name, as follows: Enter the name in the Name field. Check Matchwhol

Figure 56 The Edit Parameters dialog box—Advanced tab.You can add multiple advanced query criteria to the “Find items that match this criteria” box. W

4. If you want to remove all criteria, click Reset.5. If you want to remove specific criteria, clear the specific criteria fields.6. Click Apply. The

The query is imported.Deleting queriesTo delete a query:1. Right-click a query.2. Select Delete. A confirmation screen appears.3. Click Finish. The qu

Working with queries338

22 Managing security and usersThe VSM client provides a trusted and secure computing platform that enables you to protect yourinformation from a wide

From the Tools menu, select Configure Properties. The VSM Properties dialog box appears. The VSMProperties dialog box displays the following informati

2. Select the Security tab.Figure 57 The Options dialog box—Security tab.3. Specify your general security options. Administrators and user managers ca

• View the users list• View user information• Create new users• Configure user permissions• Configure users• Change user passwords• Delete users• Reas

DescriptionPropertyThe amount of the quota that is currently used.Used QuotaThe threshold above which the VSM client automatically sends you a quota n

User information—Security tabThe Security tab displays the objects for which the user has permissions.Table 140 User information—Security tab fieldsDe

Creating usersBy default, the VSM client automatically adds new users to the read-only user group. For informationabout changing this default setting,

4. In the Select Object Type dropdown list, select the type of object that you want to specify. Youcan only set permission for objects of one type at

3. In the General tab, you can configure any of the following:• The user’s e-mail addresses, as follows: Enter the e-mail address in the E-mail field.

not belong to the administrators user group. If you are not a member of the administrators oruser-manager user group, you can only change your own pas

Managing user groupsThe VSM client enables you to create and configure user groups. The VSM client provides the followingdefault user groups:Table 142

2. Click the User Group node. The user groups list appears in the list area.Figure 61 User groups list.The following properties are displayed, by defa

2 Allowed operationsThis chapter provides you with a matrix that shows which operations can be performed using anexisting task from the VSM GUI. In Ta

User group information—Security tabThe Security tab displays the objects for which the user group has permissions (see Table140 on page 343).Creating

4. In the top area of the screen, select the user that you want to add to the group.5. Click Add. The user you selected appears in the lower area of t

You may find permission templates a more efficient way of configuring security permissions for entities.Permissions templates enable you to save sets

9. Repeat steps 7 and 8 if necessary until all the user groups you want to add to the entity are listedin the lower area of the screen.10. Click Next.

3. Do one of the following:• To give the selected user or user group full access to the entity, check Read, Modify, andDelete.• To give the selected u

Viewing the permission templates listYou can view all the permission templates defined in the domain.To view the permission templates list:1. In the n

• Disabled Operations—Shows which operations you cannot currently perform on the permissiontemplate, and the reason for each. See the release notes fo

4. In the Permission template name field, enter a name for the permission template.5. In the Comment field, enter any desired text.6. Click Next. The

6. Click Finish. The permissions are copied from the permission template to the entity.Exporting permissions from entities to new permission templates

23 Using the VSM event viewerThe VSM client features an event viewer, which enables you to view and manage event logs. Eventlogs provide detailed hist

Table 7 SVSP allowed-operations matrixYou are allowed to:If you have or start with:VSSAsyncmirrorSyncmirrorMi-grateSnap-cloneCreatesnap-shotCreatePiTE

Viewing the event log for the local domainThe event log for the local domain is accessed through the Event Viewer node in the navigation tree.You can

DescriptionPropertyA description of the event.DescriptionThe event ID number.IDViewing event logs for specific entitiesThe VSM client enables you to v

2. Select Filter. The Filter Event Log dialog box appears.Figure 66 Filter Event Log dialog box.3. Specify your filter criteria. You can do the follow

4. Click OK. The event log filter is removed.Viewing, copying, and printing event detailsWhen you are displaying an event log in the display area, you

Exporting event logsThe VSM client enables you to export event logs. The exported event logs can be imported into differentdomains. For more informati

6. Click Close. The event file is saved.Saving a selection of eventsYou can save one or more events from an event log to a text file. The resulting fi

6. Click Close. The imported event log appears in the expanded Event Viewer node in the navigationtree.Importing event logs from VSM serversThe VSM cl

2. Select Reload Web Server Log. A confirmation screen appears3. Click Finish. The web server log is cleared and the events are reloaded. If you navig

3. Click Add New e-Mail Group. The Create notification group dialog box appears.Figure 68 Create Notification Group dialog box.4. In the Name field, e

Editing event log notification groupsTo edit an event log notification group:1. From the Tools menu, select Options > Event Log. The Options dialog

3 Working with SVSP domainsA SAN Virtualization Services Platform (SVSP) domain is a collection that consists of:• VSM servers. An SVSP domain has two

2. Click the Event Log Parameters tab.Figure 69 The Options dialog box—Event Log Parameters tab.3. Configure your event log parameters. You can do the

24 Performing maintenance activitiesThe VSM client enables you to perform maintenance activities on VSM servers. Maintenance activitiesenable you to c

1. From the Tools menu, select Maintenance. The Maintenance dialog box appears.Figure 70 The Maintenance dialog box.2. Click Erase Configuration. The

8. Click Finish. The VSM server configuration is backed up.Creating the setup virtual diskWhen you first install VSM software on a VSM server, the dom

Creating SAN API virtual disksThe VSM client enables you to create SAN API virtual disks (also called SAN CLI virtual disks). SANAPI virtual disks ena

Performing manual VSM server electionsThe VSM client enables you to perform manual VSM server elections. An election examines the VSMservers and deter

2. Click Manage Multi Domain Access Path. The Manage Multi domain Access Path dialog boxappears.Figure 71 The Manage Multi Domain Access Path dialog b

2. Click Manage Limits. The Manage limits definition dialog box appears.Figure 72 Manage limits definition dialog box.3. You can do the following:• Se

Performing maintenance activities378

25 Support and other resourcesContacting HPBefore you contact HPBe sure to have the following information available before you contact HP:http://www.h

Figure 6 The SVSP domains list.The following properties are displayed, by default, for each SVSP domain.Table 8 SVSP domain propertiesDescriptionPrope

Related documentationThe following documents provide related information:• HP StorageWorks SAN Virtualization Services Platform Administrator Guide• H

Document conventions and symbolsTable 149 Document conventionsElementConventionCross-reference links and email addressesBlue text: Table 149Website ad

HP websitesFor additional information, see the following HP websites:• http://www.hp.com• http://www.hp.com/go/storage• http://www.hp.com/go/svsp• htt

GlossaryThis glossary defines acronyms and terms used with the SVSP solution.access path A specific series of physical connections through which a dev

Business CopySVSPAn HP StorageWorks product that works with SAN storage systems to providelocal replication capabilities within the SVSP domain, provi

HBA See host bus adapter.host In VSM, every server that uses VSM virtual disks. Servers that run as VSM serversare also considered hosts.host bus adap

mirroring The creation and continuous updating of one or more redundant copies of data,usually for the sake of fault or disaster recovery.OpenVMS Unit

SFP Small form-factor pluggable. The 2 Gbps or faster form factor of the removableoptical transceiver used by the Data Path Module, HBAs, and most Fib

thick provisioned A quality of virtual disks wherein the virtual disk’s allocated capacity is alwaysequal to its total capacity.See also virtual disk.

A WWN is a 64–bit value, typically represented as a string of 16 hexadecimaldigits.WWPN World Wide Port Name. The globally unique identifier for an in

DescriptionPropertyThe type of connection over which the SVSP domain is recognized by the localdomain. Possible values:• Local—The SVSP domain is the

Glossary390

IndexAAccess Path tabback-end LU information, 55HBA information, 173access pathsrefreshing, 61SVSP domain, 375addingtasks to VDG snapclone groups,task

changingactive DPM, 119active DPM for snapshot, 231active DPM for VDG, 139host permissions, 116, 137host personality, 154LUN range of host group, 165p

Disabled Operations tabasync mirror group information, 276back-end LU information, 57domain information, 43DPM group information, 194DPM information,

Ffailbackperforming, 60virtual disks from DPM, 186failovervirtual disks from DPM, 185VSM server, 375filtering event logs, 361folder informationDisable

Llimit definitions, managing, 376LUN range, changing, 157Mmanaginglimit definitions, 376user groups, 348managing OUIDsvirtual disks, 121Members tabVDG

refreshingaccess paths, 61display, 29event logs, 361related documentation, 380releasing user PiTs, 283Remote Pool tabback-end LU information, 52domain

snapshot informationData Path Module/VSM tab, 215Disabled Operations tab, 218Hierarchy tab, 216Host Presentation tab, 214Persistent Reservation tab, 2

sync mirror tasksadding, 308detaching, 309synchronous mirroring, 269, 294Ttechnical supportHP, 379service locator website, 382Temporary Virtual Disk t

virtual disk groupadding host permission, 134adding members, 132, 133adding single virtual disk or snapshot, 132clearing persistent reservation, 138co

Viewing back-end LU information ... 51Back-end LU informa

Domain information—VSM tabThe VSM tab displays the VSM servers that comprise the selected domain.Table 9 Domain VSM tab fieldsDescriptionPropertyThe r

400

DescriptionPropertyThe number of data moving tasks currently being handled by the VSM server. Thisenables you to see the distribution of tasks between

DescriptionProperty nameHP StorageWorks VSM does not support the use of data movers. This numbershould always be zero.No. of Data MoversLUNsThe number

Domain information—Remote Pool tabThe Remote Pool tab displays status and capacity information for the storage pools on the selecteddomain. You can us

Working with SVSP domains44

4 Working with VSM serversA VSM server performs both management and data moving tasks.You can:• View the VSM server list per domain (view the VSM serv

DescriptionPropertyThe type of connection over which the remote VSM server is recognized by thelocal VSM servers in the local domain. If the VSM serve

3. Select a VSM server from the list. The following tabs are displayed:• Properties—Displays the VSM server properties described in Table 14.• DM Task

DescriptionPropertyThe name of a source, which may be a virtual disk, VDG, snapshot, or VDGsnapshot on which the selected VSM is currently running a d

5 Working with back-end LUsVirtualization Services Manager (VSM) detects all back-end logical units (LUs) that the SAN presentsto the VSM server. The

Viewing virtual disk information ... 97Virtual disk inf

2. Click the Back-End LU node. The Back-End LUs list appears in the list area. The following propertiesare displayed for each back-end LU.Table 18 Bac

DescriptionPropertyThe vendor of the physical storage system exposing the back-end LU.VendorThe model of the physical storage system exposing the back

• Security—Shows which permissions are assigned to users and user groups for managing the back-end LU.• Disabled Operations—Shows which operations you

DescriptionDisplay fieldThe status of the stripe set. Possible values:• Normal—All of the back-end LUs in the stripe set are present and accessible.•

DescriptionPropertyThe state of the virtual disk. Possible values:• Create—The active VSM server is creating the virtual disk. The VSM serverallocates

Back-end LU information—Back-End LU Segment tabThe Back-End LU Segment tab shows the mappings of virtual disks to segments of the selected back-endLU.

DescriptionPropertyAn ID that the HBA on the VSM server assigns to each storage system controllerport. Windows reports the target ID on back-end LU pr

DescriptionDisplay fieldThe type of access permitted to the user or user group. Possible values:• Full—The user or user group has permission to modify

• Creates backup space on another back-end LU from a specified storage pool to hold data thatwill be displaced from the back-end LU to make space for

5. Click Next. The Select Storage Pool screen appears. displaying the list of available storage pools.Figure 7 Import-in-Place wizard—Select Storage P

Managing OUIDs for VDGs ... 138Managing active and p

NOTE:Reversing an Import-in Place should be done only after dismounting the virtual disk from anyhosts/servers where it might be mounted.To reverse an

Refreshing access pathsVSM constantly monitors the access paths to the back-end LUs. However, there is a possibility that achange in access paths may

Running back-end LU diagnosticsNOTE:The use of this process allows the SVSP administrator to access the contents of back-end LUs, andtherefore the dat

3. Click one of the following buttons to send a SCSI command to the back-end LU. Results aredisplayed on the screen.• Get Inquiry—Returns some general

Working with back-end LUs64

6 Working with stripe setsStriping helps with load distribution, which might improve performance in some cases. With striping,an application can concu

2. Click the Stripe Set node. The stripe sets list appears in the list area. The following properties aredisplayed for each stripe set. A partial set

DescriptionPropertyThe number of sectors on each LUN that are not virtualized by VSM. VSMleaves these sectors free for native operating systems to wri

DescriptionDisplay fieldThe status of the back-end LU. Possible values:• Present—The VSM server recognizes the back-end LU on the SAN.• Absent—The VSM

Stripe set information—Storage Pool tabIf the selected stripe set has been added to a storage pool, the Storage Pool tab displays the followinginforma

Removing an HBA by right-clicking the HBA ... 176Deleting HBAs ...

virtual disk from the storage pool to a host. For information about allocating a virtual disk to a host,see “Managing virtual disk permissions” on pag

DescriptionPropertyA free text display field. To modify the text that appears here, right-click the virtualdisk and select Manage > Edit Comment. Y

DescriptionDisplay fieldThe user who last modified the virtual disk.Modified ByStripe set information—Security tabThe Security tab displays the access

limited to the number of member LUs times the capacity of the smallest member LU. The remainingcapacity is not available. Therefore, it is recommended

8. Click Add. The selected back-end LU is added to the list in the lower area of the screen.9. Repeat steps 7 and 8 until the lower list displays all

3. Select Manage > Stripe Set relations > Add to Stripe Set. The Add to Stripe Set wizard opens tothe Select Stripe Set screen.Figure 13 Add to

3. Select Manage > Back-End LU relations > Add Back-End LU. The Striped Disks wizard opens tothe Add Back-End LU screen.Figure 14 Striped Disks

1. From the navigation tree, navigate to the back-end LU you want to remove from a stripe set. Tolist all back-end LUs, select the Back-End LU node. T

Adding stripe sets to storage poolsA stripe set must belong to a storage pool before you can allocate virtual disks from the stripe set. Astripe set c

2. Right-click the stripe set.3. Select Manage > Storage Pool Relations > Remove from Storage Pool. A confirmation screenappears.4. Click Finish

VDG snapshot information—Members tab ... 220VDG snapshot information—Source PiT tab .

Working with stripe sets80

7 Working with storage poolsA storage pool is a set of back-end LUs from which you can create virtual disks and assign them tohosts. Storage pools ena

2. Click the Storage Pool node. The storage pools list appears in the list area. The following propertiesare displayed for each storage pool.Table 33

• Virtual Disk—Provides information about each virtual disk that is allocated from the storage pool.• Storage Pool Segment—Shows the mapping of logica

DescriptionDisplay fieldThe status of the back-end LU or stripe set.Possible values for the status of the back-end LU:• Present—VSM recognizes the bac

DescriptionPropertyThe state of the virtual disk. Possible values:• Create—The active VSM server is creating the virtual disk. The VSM serverallocates

DescriptionPropertyThe user who created the virtual disk.Created ByThe time at which the virtual disk was last modified.Modification TimeThe user who

DescriptionDisplay fieldAn icon indicating either a user or user group. Possible values:•—A user.•—A user group.TypeThe name of the user or user group

3. Select New. The Create Storage Pool wizard opens to the Enter storage pool parameters screen.Figure 17 Create Storage Pool wizard—Enter Storage Poo

14. Click Next. The Select folder screen appears.15. If you want to add the storage pool to a folder, enter the folder name in the Folder field or cli

Disabled Operations tab fields ... 262Creating migration group

3. Select Manage > Expand. The Expand wizard opens to the Select Back-End LU(s) screen anddisplays the list of available back-end LUs.Figure 18 Exp

1. Right-click the back-end LU.2. Select Manage > Storage Pool relations > Remove from Storage Pool. The Remove from StoragePool wizard opens to

Changing storage pool free capacity alert thresholdIf the free capacity of a storage pool drops below a configurable percentage of the total capacity,

NOTE:Disk allocation includes snapshots and snapclones, as well as virtual disks.To delete a storage pool:1. From the navigation tree, navigate to the

Working with storage pools94

8 Working with virtual disksA virtual disk is disk capacity allocated from one or more storage pools to one or more hosts.To create a standard virtual

DescriptionPropertyThe name of the virtual disk. The icon that appears next to the virtual disk indicatesone of the following:•—The virtual disk was c

DescriptionPropertyThe PiT granularity of the virtual disk. PiT granularity affects the capacity requiredto store virtual disk updates after the creat

• Hierarchy—Shows the relationship between the selected virtual disk and any snapshot PiTs andsnapshots associated with it.• Persistent Reservation—Sh

Virtual disk information—PiT tabThe PiT tab provides information about any snapshot PiTs created for the selected virtual disk. Formore information ab