Hp StorageWorks Scalable File Share Manuel d'utilisateur Page 42
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To see the multipath configuration, use the following command. Output will be similar to the
example shown below:
# multipath -ll
mpath7 (3600c0ff000d547b5b0c95f4801000000) dm-5 HP,MSA2212fc
[size=4.1T][features=1 queue_if_no_path][hwhandler=0]
\_ round-robin 0 [prio=20][active]
\_ 0:0:3:5 sdd 8:48 [active][ready]
\_ 1:0:3:5 sdh 8:112 [active][ready]
mpath6 (3600c0ff000d548aa1cca5f4801000000) dm-4 HP,MSA2212fc
[size=4.1T][features=1 queue_if_no_path][hwhandler=0]
\_ round-robin 0 [prio=20][active]
\_ 0:0:2:6 sdc 8:32 [active][ready]
\_ 1:0:2:6 sdg 8:96 [active][ready]
mpath5 (3600c0ff000d5455bc8c95f4801000000) dm-3 HP,MSA2212fc
[size=4.1T][features=1 queue_if_no_path][hwhandler=0]
\_ round-robin 0 [prio=50][active]
\_ 1:0:1:5 sdf 8:80 [active][ready]
\_ round-robin 0 [prio=10][enabled]
\_ 0:0:1:5 sdb 8:16 [active][ready]
mpath4 (3600c0ff000d5467634ca5f4801000000) dm-2 HP,MSA2212fc
[size=4.1T][features=1 queue_if_no_path][hwhandler=0]
\_ round-robin 0 [prio=50][active]
\_ 0:0:0:6 sda 8:0 [active][ready]
\_ round-robin 0 [prio=10][enabled]
\_ 1:0:0:6 sde 8:64 [active][ready]
The following example assumes an MGS (node1), an MDS (node2), and only a single OSS pair,
(node3 and node4). Each OSS has four OSTs. The Lustre file system is called testfs. During normal
operation, mount the Lustre roles as follows:
node1 (Interconnect interface icnode1):
/dev/mapper/mpath1 /mnt/mgs
IMPORTANT: The MGS must use mount point "/mnt/mgs".
node2 (Interconnect interface icnode2):
/dev/mapper/mpath2 /mnt/mds
node3 (Interconnect interface icnode3):
/dev/mapper/mpath3 /mnt/ost1
/dev/mapper/mpath4 /mnt/ost2
/dev/mapper/mpath5 /mnt/ost3
/dev/mapper/mpath6 /mnt/ost4
node4 (Interconnect interface icnode4):
/dev/mapper/mpath7 /mnt/ost5
/dev/mapper/mpath8 /mnt/ost6
/dev/mapper/mpath9 /mnt/ost7
/dev/mapper/mpath10 /mnt/ost8
If either OSS fails, its OSTs are mounted on the other OSS. If the MGS fails, the MGS service is
started on node2. If the MDS fails, the MDS service is started on node1.
The lustre_config CSV input file for this configuration is shown below. Note that each node
has a failover NID specified. The user must type the following on one command line for each
node.
node1,options lnet networks=o2ib0,/dev/mapper/mpath1,/mnt/mgs,mgs,testfs,,,,,
"_netdev,noauto",icnode2@o2ib0
node2,options lnet networks=o2ib0,/dev/mapper/mpath2,/mnt/mds,mdt,testfs,icnode1@o2ib0:icnode2@o2ib0
,,"--param=mdt.group_upcall=NONE",,"_netdev,noauto",icnode1@o2ib0
node3,options lnet networks=o2ib0,/dev/mapper/mpath3,/mnt/ost1,ost,testfs,icnode1@o2ib0:icnode2@o2ib0
,,,,"_netdev,noauto",icnode4@o2ib0
node3,options lnet networks=o2ib0,/dev/mapper/mpath4,/mnt/ost2,ost,testfs,icnode1@o2ib0:icnode2@o2ib0
,,,,"_netdev,noauto",icnode4@o2ib0
node3,options lnet networks=o2ib0,/dev/mapper/mpath5,/mnt/ost3,ost,testfs,icnode1@o2ib0:icnode2@o2ib0
,,,,"_netdev,noauto",icnode4@o2ib0
42 Using HP SFS Software
- HP Part Number: SFSUGG31-E 1
- Published: June 2009 1
- Edition: 5 1
- Table of Contents 3
- 4 Table of Contents 4
- Table of Contents 5 5
- List of Figures 6
- List of Tables 7
- About This Document 9
- Related Information 10
- Structure of This Document 11
- Documentation Updates 11
- HP Encourages Your Comments 11
- 1 What's In This Version 13
- 1.3.1 Hardware Configuration 14
- Figure 1-1 Platform Overview 15
- 1.4 Server Security Policy 16
- 1.4 Server Security Policy 17 17
- 2.1 Installation 19
- 2.3.2 Creating New Volumes 20
- 3.1 Supported Firmware 24
- 3.2 Installation Requirements 25
- 3.3 Installation Phase 1 26
- 3.3 Installation Phase 1 27 27
- 3.4 Installation Phase 2 28
- 3.4.3 10 GigE Installation 29
- 3.5.3 Configuring pdsh 31
- 3.5.4 Configuring ntp 31
- 3.6 Upgrade Installation 32
- 3.6.1 Rolling Upgrades 33
- # start lustre config 34
- # end lustre config 34
- 3.6.2 Client Upgrades 35
- 4.1 Installation Requirements 37
- 4.2 Installation Instructions 38
- 5 Using HP SFS Software 41
- 42 Using HP SFS Software 42
- 5.1.1.1 Multiple File Systems 43
- 5.2 Configuring Heartbeat 44
- 5.2.1 Preparing Heartbeat 45
- 5.2.3 Configuration Files 45
- 46 Using HP SFS Software 46
- 5.2.4 Copying Files 47
- 5.2.5 Starting Heartbeat 48
- 5.3 Starting the File System 49
- 5.4 Stopping the File System 50
- 52 Using HP SFS Software 52
- 5.5.1.3 On the Client 53
- 54 Using HP SFS Software 54
- 6 Licensing 55
- 56 Licensing 56
- 7.1 Server Reboot 57
- 7.2 Errors from install2 57
- 7.3 Application File Locking 57
- 7.4 MDS Is Unresponsive 57
- A HP SFS G3 Performance 59
- A.2 Single Client Performance 60
- A.3 Throughput Scaling 62
- A.3 Throughput Scaling 63 63
- A.4 One Shared File 64
- A.6 Random Reads 65
- 66 HP SFS G3 Performance 66
- 68 Index 68
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