Hp StorageWorks 500 G2 Modular Smart Array Manuel d'utilisateur télécharger pdf (Page 28)

2. Open a console prompt.

3. Mount the CD-ROM.

4. Change to the Linux directory.

5. List the contents of the directory, and select the proper RPM for the current operating system.

6. Install the proper RPM using the following command:

#rpm -Uhv --replaceﬁlescpq_cciss_<osversion>.i686.rpm

7. After successful installation, reboot the server.

8. Repeat steps 1 through 7 for each server connected to the MSA500 G2 storage system.

Post-installation conﬁguration for Novell SUSE Linux Enterprise

Server 9.0

After installing Smart Array Multipath software on a server with a Red Hat Enterprise Linux operating

system, conﬁgure for multipath operations.

Review the following sample conﬁguration procedure. This procedure assumes that the user wants to set

/dev/cciss/c1d0p2 and /dev/cciss/c2d0p2 to pointtothesamevolumeasamultipathdevice.

To conﬁgure

the system for multipath use, complete the following steps:

1. Update the

system conﬁguration.

a. Set the hotplug setting.

Usinganeditorofyourchoice,edittheﬁle /etc/sysconﬁg/hotplug and set the following

value: HOTPLUG_USE_SUBFS=no

b. Conﬁgure

the system to automatically load device drivers for MSA controllers at each

system startup.

Usinganeditorofyourchoice,edittheﬁle /etc/sysconﬁg/kernel and add your driver to

the INITR

D_MODULES variable.

For example: If your system contains a controller that is accessed by the cciss driver,

you are using ReiserFS as a ﬁlesystem, and qla2xxx driver, edit the variable to be

INITRD_MODULES=”cciss reiserfs qla2xxx”

After app

lying this change, be sure to recreate the INITRD by running the mkinitrd command.

NOTE:

In LILO en

vironments,besuretorunitonetimetoupdatethebootrecord.

2. For environments using the extension 3 (ext3) ﬁlesystem, invoke the barrier=0 mount option by

entering a command similar to the following:

Mount –t ext3 –o barrier=0 /dev/md0 /hoge

3. Enable MPIO components.

a. To start the multipath components, run the following commands:

/etc/init.d/boot.multipath start

/etc/init.d.multipathd start

b. To integrate the multipath setup in the boot sequence so that access to all devices will go

through the MPIO layer, run the following command:

Insserv boot.multipath multipathd

4. Review current MPIO status.

To list the status, run the following command:

Multipath -l

Results should look similar to the following:

3600601607cf30e00184589a37a31d911

[size=127 GB][features="0"][hwhandler="1 emc"]

\_ round-robin 0 [active][first]

\_ 1:0:1:2 sdav 66:240 [ready ][active]

\_ 0:0:1:2 sdr 65:16 [ready ][active]

\_ round-robin 0 [enabled]

Installation and operation in Novell SUSE Linux Enterprise Server 9.0 environments

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Hp StorageWorks 500 G2 Modular Smart Array Manuel d'utilisateur Page 28

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