@mark: I didn't umount the drive before removing. Was performing hard removal. I will try clearing the concerned UUID and see if that mounts the drive back. Raghuv. On Fri, May 16, 2014 at 11:59 AM, <m.roth at 5-cent.us> wrote: > Raghuv Adhepalli wrote: > <snip> > > @mark: This is my dmesg output, > > > > XFS (sdf): xfs_log_force: error 5 returned. > > sd 0:0:9:0: [sdj] Synchronizing SCSI cache > > sd 0:0:9:0: [sdj] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK > > mpt2sas0: removing handle(0x000e), sas_addr(0x4433221105000000) > > XFS (sdf): xfs_log_force: error 5 returned. > <snip > > sdj: unknown partition table > > sd 0:0:10:0: [sdj] Attached SCSI disk > > XFS (sdj): Filesystem has duplicate UUID > <snip> > This concerns me. As I asked, you *did* umount the drive before removing > it? I would expect that to remove the UUID from /dev/disk/by-uuid; for > some reason, it's clearly still there, and I think that's what's confusing > the system. > > mark > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > > https://urldefense.proofpoint.com/v1/url?u=http://lists.centos.org/mailman/listinfo/centos&k=2a4Akkj3oY%2FOkjwft1MTMw%3D%3D%0A&r=tMZHZRUDG2%2BTRwBxuWe2n5rPULoPCwzzTu%2BUi79RuVM%3D%0A&m=tXDizAMl3RlLtrBcA8DEk%2B6XsJ032GhcgvkpKDNtP1c%3D%0A&s=6ba4bf4e62a08e2c22efa41963aa238bddc0b41b6d00322d8deae79962c86e83 >