Gico Posted May 26, 2017 Share Posted May 26, 2017 Yesterday I upgraded v6.3.3 to v6.3.4 and right after the upgrade restart I got errors for 16 reallocated sectors and 88 pending sectors on a 3TB drive. Ran SMART extended self-test, and it "Completed without errors". I stopped the array, de-assigned the drive, assigned a 6TB drive in it's slot, started the array and it is rebuilding now the 3TB drive data in the 6TB drive. I tried to mount the 3TB drive and got "XFS (sdl1): Filesystem has duplicate UUID", and the drive was not mounted. Is it because the data rebuilt is not over so it "remembers" the 3TB drive UUID, or must I restart the server (after the rebuilt is over) in order for it to "forget" this drive UUID? Thank you for helping. Quote Link to comment
JorgeB Posted May 26, 2017 Share Posted May 26, 2017 That's normal , the rebuilt disk is going to have the same UUID as the old disk, you can't have both mounted at the same time. 1 Quote Link to comment
JorgeB Posted May 26, 2017 Share Posted May 26, 2017 Forgot to add, if you need to mount the old disk on the same server without re-formatting you can change the UUID, like so: xfs_admin -U generate /dev/sdX1 Don't forget the 1 in the end. 4 Quote Link to comment
Gico Posted May 26, 2017 Author Share Posted May 26, 2017 Thanks! I was writing a question regarding this when got the sound for a new message in this post. Quote Link to comment
AgentXXL Posted July 12, 2019 Share Posted July 12, 2019 Thanks @johnnie.black - just encountered the same error after a rebuild on a replacement disk. While I'm sure the rebuild was successful, I want to mount the old suspect drive (which appeared fine on my Ubuntu system) so I can use the Krusader 'Synchronize' function to compare and verify the files from the suspect disk with the replacement disk after the rebuild. The command given worked like expected and I'm now comparing. Quote Link to comment
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