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Chapter 1: HP Clustered File System Commands 34

Description

The psfsck utility looks for a PSFS filesystem on a device, replays

transactions that are to be replayed, and either checks or repairs the

filesystem.

device is a psd or psv device and is specified as follows:

• For a psd device partition, the device is specified as

/dev/psd/psdXXXpYY, where XXX is the drive number and YY is the

partition number. For example, /dev/psd/psd6p4 specifies partition 4

on disk psd6.

• For a non-partitioned psd device, the device is specified as

/dev/psd/psdXXX, where XXX is the drive number. For example,

/dev/psd/psd5.

• For a psv device, the device is specified as /dev/psv/psvXXX, where

XXX is the volume number. For example, /dev/psv/psv1.

When psfsck is running in check mode (the default action), it will attempt

to fix any corruptions that can be repaired without --rebuild-tree. The

types of corruption that can be fixed include: bad pointers to data blocks,

incorrect st_size and st_blocks in a directory, directory entries pointing to

nowhere, incorrect file sizes and modes, and objectid sharing.

NOTE: The psfsck utility requires exclusive access to the device. If it

cannot obtain exclusive access, it will exit with an “ebusy”

message.

The options are:

--check

Check filesystem consistency. This is the default action.

--rebuild-tree

Rebuild the filesystem tree using leaf nodes found on the device.

Normally you only need this option if check mode (without the

-no-modify flag) reports errors that can be fixed only by

--rebuild-tree. You are strongly encouraged to make a backup copy of

the whole partition before attempting to rebuild.

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Seagate ST336704FC Guia de preparacion Pagina 40