Michael, ----- "Michael Di Domenico" <[email protected]> wrote: > > We are currently using e2scan and distributed rsyncs across the > compute farm to do the same thing with Lustre v1.6/1.8 to mirror our > main filesystem to a backup every night. > > Is this a script you'd be willing to share?
Sure, but it is fairly specific to our setup and (to be honest) is pretty hacktastic! The basic idea is that an e2scan is run on the production filesystem every night and new files (last 72 hours) are copied over (incremental). Then once a week we include "deletes" which then compares the e2scan file list from both the production and backup filesystems to work out what needs to be deleted from the backup to synchronise the two filesystems. We never really ever have to do a "full" backup. We also use LVM snapshots on the backup to give us a couple of weeks of retention. It works for us but your mileage may vary. Daire
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