Hp StoreAll Storage User Manual download pdf (Page 45)

For example, to delete segments ilv1 and ilv2:

ibrix_lv -d -s ilv1,ilv2

To delete volume groups:

bin/ibrix_vg -d -g VGLIST

For example, to delete volume groups ivg1 and ivg2:

ibrix_vg -d -g ivg1,ivg2

To delete physical volumes:

ibrix_pv -d -p PVLIST [-h HOSTLIST]

For example, to delete physical volumes d1, d2, and d3:

ibrix_pv -d -p d[1-3]

Deleting file serving nodes and IBRIX 9000 clients

Before deleting a file serving node, unmount all file systems from it and migrate any segments that

it owns to a different server. Ensure that the file serving node is not serving as a failover standby

and is not involved in network interface monitoring. To delete a file serving node, use the following

command:

ibrix_server -d -h HOSTLIST

For example, to delete file serving nodes s1.hp.com and s2.hp.com:

ibrix_server -d -h s1.hp.com,s2.hp.com

To delete IBRIX 9000 clients, use the following command:

ibrix_client -d -h HOSTLIST

Checking and repairing file systems

The ibrix_fsck command analyzes inconsistencies in a file system.

CAUTION: Do not run ibrix_fsck in corrective mode without the direct guidance of HP Support.

If run improperly, the command can cause data loss and file system damage.

CAUTION: Do not run e2fsck (or any other off-the-shelf fsck program) on any part of a file

system. Doing this can damage the file system.

The ibrix_fsck command can detect and repair file system inconsistencies. File system

inconsistencies can occur for many reasons, including hardware failure, power failure, switching

off the system without proper shutdown, and failed migration.

The command runs in four phases and has two running modes: analytical and corrective. You must

run the phases in order and you must run all of them:

• Phase 0 checks host connectivity and the consistency of segment byte blocks and repairs them

in corrective mode.

• Phase 1 checks segments and repairs them in corrective mode. Results are stored locally.

• Phase 2 checks the file system and repairs it in corrective mode. Results are stored locally.

• Phase 3 moves files from lost+found on each segment to the global lost+found directory

on the root segment of the file system.

If a file system shows evidence of inconsistencies, contact HP Support. A representative will ask

you to run ibrix_fsck in analytical mode and, based on the output, will recommend a course

of action and assist in running the command in corrective mode. HP strongly recommends that you

use corrective mode only with the direct guidance of HP Support. Corrective mode is complex and

difficult to run safely. Using it improperly can damage both data and the file system. Analytical

mode is completely safe, by contrast.

Checking and repairing file systems 45

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Hp StoreAll Storage User Manual Page 45

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