Veritas Volume Manager – vxassist

7. Adding a RAID-5 Log

A RAID-5 log maintains a copy of the data and parity being written to the volume at any given time. If a system failure occurs, VxVM can replay the RAID-5 log to resynchronize the volume. This copies the data and parity that was being written at the time of failure from the log to the appropriate areas of the RAID-5 volume.

RAID-5 log plexes are used to log information about data and parity being written to the raid volume. A log plex is created for the volume by default when a raid volume is created but additional ones can be added by following command .

ยท vxassist addlog name_of_raid5_vol

Nextpage Adding DRL Log

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This entry was posted on Sunday, December 20th, 2009 at 10:20 pm and is filed under Volumes. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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