Difference: DiskGuide (2 vs. 3)

Revision 32018-08-02 - WilliamSeligman

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META TOPICPARENT name="LinuxCluster"

Linux Cluster Disk Guide

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  We don't back up every file on every system on the cluster. The policy is: the /home partition and /share partitions are backed up; /data is not. There is a web page that contains the list of which partitions are backed up.
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We maintain previous versions of old files on shelley. (Actually we do an incremental tar of the disk images after the rsync procedure has run for all the machines in the cluster.) This means we can recover old versions of files if necessary. However, there's a time limit: we only keep old file versions for 30 days. We cannot recover files that were deleted or overwritten prior to that.
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We maintain previous versions of old files on shelley. (Actually we do an incremental tar of the disk images after the rsync procedure has run for all the machines in the cluster.) This means we can recover old versions of files if necessary. However, there's a time limit: we only keep old file versions for 20 days. We cannot recover files that were deleted or overwritten prior to that.
 

Disk FAQ

 
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