See following sections in lustre manual :
18.2. Backing Up and Restoring an MDT or OST (ldiskfs Device Level)
18.3. Backing Up an OST or MDT (Backend File System Level)
Alex.
From: lustre-discuss on behalf of
Lana Deere
Date: Monday, December 9, 2024 at 14:14
To: lustre-discuss@lists.lustr
Lana,
It has probably been 10 years since I have done it, but at one point I did
successfully use dd to transfer a mdt/mgt from one device to another. This was
for an ldiskfs-formatted partition. I you are using zfs on the backend, you
could also just use the zfs send/receive functionality fo
I spent a good deal of time tracking down and cleaning up infiniband errors (we
had some bad cables) but that didn't matter. The solution was to disable peer
discovery on all of the ko2iblnd hosts because they were mistakenly showing up
as multi-rail in some cases. I suspect it's related to mult
