Morning Rick! At first we were planning to do that. However, we weren't sure if that would capture all the internal Lustre data. Specifically the note in 18.3.1 about index backups made us think it wouldn't for version 2.10.X. Also the fact that ldiskfs backups and LVM snapshots are detailed in the manual but ZFS snapshots are not caused us to think they wouldn't work, at least with our older lustre version. Maybe we were taking things too literally. Would a ZFS snapshot contain all the Lustre data?
On Fri, Sep 16, 2022 at 7:45 AM Mohr, Rick <[email protected]> wrote: > Liam, > > If you have another zpool configured somewhere, you could always take a > snapshot of your mdt and then used send/received to copy that snapshot to > another zpool. I helped someone do this one time in order to move the mdt > to new hardware. > > -Rick > -- Regards, -liam -There are uncountably more irrational fears than rational ones. -P. Dolan Liam Forbes [email protected] ph: 907.450.8618 UAF GI Research Computing Systems Manager https://calendly.com/ualoforbes/30min
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