September 12, 20214 yr Hi all, I went to simply add an SSD into my server for Blue Iris just now and upon the GUI coming back up, I could see the SSD in Unassigned Devices but I also had two array disks unmountable and one of them had been disabled. I shutdown, unplugged the new SSD and started up again but both disks are still unmountable and one of them is still disabled (says its being emulated). I have tried xfs_repair in maintenance mode on Disk 9 which is the one not disabled and the check seemingly doesn't find any issues. I tried first with -n and then without -n. Still same results. Disk 5 is emulated so I figure I can just re-build it once I sort out Disk 9 but I don't really know how to sort out Disk 9. Diagnostics attached but they are after a restart or two. Cheers for any help as not sure what to do now. EDIT: Syslog seems to note that it cant read superblock on /dev/md9. Also added a screenshot of Main tab if it helps. Sep 12 22:52:48 Tower kernel: md: disk9 read error, sector=7814037056 Sep 12 22:52:48 Tower kernel: XFS (md9): last sector read failed Sep 12 22:52:48 Tower root: mount: /mnt/disk9: can't read superblock on /dev/md9. Sep 12 22:52:48 Tower emhttpd: shcmd (814): exit status: 32 Sep 12 22:52:48 Tower emhttpd: /mnt/disk9 mount error: not mounted Sep 12 22:52:48 Tower emhttpd: shcmd (815): umount /mnt/disk9 Sep 12 22:52:48 Tower root: umount: /mnt/disk9: not mounted. tower-diagnostics-20210912-2312.zip Edited September 12, 20214 yr by mgladwin Added more info.
September 13, 20214 yr Author Its as if unRAID can see Disk 9 but cant read/write to it. Must be something to do with the LSI SAS card maybe as both disks are on this same card. However other disks are also on this card and working fine.
September 14, 20214 yr Author 16 hours ago, JorgeB said: Replace/swap both cables on disk9 and post new diags. It is/was the cables causing the issue. I have it working for now and was able to get both drives mounted and rebuilt from parity. New cables are on the way. Thanks for your help.
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