Unassigned Devices not Showing up - all slots are working for already assigned devices.


abhi.ko

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That won't re-sync parity, that will rebuild the disable disk on top, and probably not what yo want in this case.

 

20 hours ago, abhi.ko said:

1. Stop the array

2. Unassign disk 15 

3. Start the array

4. Stop it again

This is what you need to do to see if the actual disks mounts with UD and contents look correct, post back after that.

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10 hours ago, JorgeB said:

That won't re-sync parity, that will rebuild the disable disk on top, and probably not what yo want in this case.

 

This is what you need to do to see if the actual disks mounts with UD and contents look correct, post back after that.

Thanks! Did that and it looks good after un-assigning from array and mounting in UD.

Dec 7 11:31:09 Tower kernel: sd 10:0:2:0: [sdq] 15628053168 512-byte logical blocks: (8.00 TB/7.28 TiB)
Dec 7 11:31:09 Tower kernel: sd 10:0:2:0: [sdq] 4096-byte physical blocks
Dec 7 11:31:09 Tower kernel: sd 10:0:2:0: [sdq] Write Protect is off
Dec 7 11:31:09 Tower kernel: sd 10:0:2:0: [sdq] Mode Sense: 9b 00 10 08
Dec 7 11:31:09 Tower kernel: sd 10:0:2:0: [sdq] Write cache: enabled, read cache: enabled, supports DPO and FUA
Dec 7 11:31:09 Tower kernel: sdq: sdq1
Dec 7 11:31:09 Tower kernel: sd 10:0:2:0: [sdq] Attached SCSI disk
Dec 7 11:31:32 Tower emhttpd: ST8000VN004-2M2101_WKD08RSZ (sdq) 512 15628053168
Dec 7 11:31:33 Tower kernel: mdcmd (16): import 15 sdq 64 7814026532 0 ST8000VN004-2M2101_WKD08RSZ
Dec 7 11:31:33 Tower kernel: md: import disk15: (sdq) ST8000VN004-2M2101_WKD08RSZ size: 7814026532
Dec 7 11:31:38 Tower emhttpd: shcmd (53): /usr/local/sbin/set_ncq sdq 1
Dec 7 11:31:38 Tower root: set_ncq: setting sdq queue_depth to 1
Dec 7 11:31:38 Tower emhttpd: shcmd (54): echo 128 > /sys/block/sdq/queue/nr_requests
Dec 7 12:57:25 Tower emhttpd: ST8000VN004-2M2101_WKD08RSZ (sdq) 512 15628053168
Dec 7 12:58:22 Tower unassigned.devices: Issue spin down timer for device '/dev/sdq'.
Dec 7 12:59:38 Tower unassigned.devices: Adding disk '/dev/sdq1'...
Dec 7 12:59:38 Tower unassigned.devices: Mount drive command: /sbin/mount -t xfs -o rw,noatime,nodiratime '/dev/sdq1' '/mnt/disks/ST8000VN004-2M2101_WKD08RSZ'
Dec 7 12:59:38 Tower kernel: XFS (sdq1): Mounting V5 Filesystem
Dec 7 12:59:38 Tower kernel: XFS (sdq1): Starting recovery (logdev: internal)
Dec 7 12:59:38 Tower kernel: XFS (sdq1): Ending recovery (logdev: internal)
Dec 7 12:59:38 Tower unassigned.devices: Successfully mounted '/dev/sdq1' on '/mnt/disks/ST8000VN004-2M2101_WKD08RSZ'.
Dec 7 12:59:38 Tower unassigned.devices: Issue spin down timer for device '/dev/sdq'.

The content looks okay as well, screenshot below. I have no ways of verifying whether this is what was in Disk 15 before the FS corruption, but it looks good to me from a cursory look. Diagnostics attached as well

 

What should I do next?

2020-12-07 13_04_30-Microsoft Store.png

tower-diagnostics-20201207-1305.zip

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2 hours ago, JorgeB said:

Now do a new config, keep all assignments as they were and re-sync parity.

Oh I see now. Never used this New Config option before and I don't think it was even there when I built the server in 2011.  Here is what I did.

  1. Stop the array.
  2. So Tools -->New Config -->Keep All Assignments -->Apply : This is done.
  3. Added Disk 15 back to the array and used the same disk as before. 
  4. Started the array.

Everything looks good as of now. Parity rebuild is in process. Will report back how it goes. Thanks a ton for your help.

 

Will try and trouble shoot the disks not being detected issue soon after. Hopefully I won't mess anything more up in that process. Any guidance you can provide there would be helpful.  BTW, I did check the BIOS Boot settings and 'option ROM' and 'UEFI and Legacy OPROM' is selected under boot devices control and CSM is enabled, still no luck getting the LSI BIOS to show up.

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