Server Fault Asked by johnklee on January 10, 2021
The raid status as below:
~$ sudo storcli /c0 restart
Controller = 0
Status = Success
Description = Adapter Restart in progress wait for few moments
Detailed Status :
===============
---------------------------
Ctrl Property Value
---------------------------
0 Adapter Restart 0
---------------------------
$ sudo storcli /c0/e8/sall show
Controller = 0
Status = Success
Description = Show Drive Information Succeeded.
Drive Information :
=================
----------------------------------------------------------------------------------------
EID:Slt DID State DG Size Intf Med SED PI SeSz Model Sp Type
----------------------------------------------------------------------------------------
8:0 9 Onln 0 446.625 GB SATA SSD N N 512B SAMSUNG MZ7KM480HMHQ-00005 U -
8:1 13 Onln 1 1.745 TB SATA SSD N N 512B SAMSUNG MZ7LM1T9HMJP-00005 U -
8:2 10 Onln 1 1.745 TB SATA SSD N N 512B SAMSUNG MZ7LM1T9HMJP-00005 U -
8:3 12 UGood - 1.745 TB SATA SSD N N 512B SAMSUNG MZ7LM1T9HMJP-00005 U -
8:4 11 Onln 1 1.745 TB SATA SSD N N 512B SAMSUNG MZ7LM1T9HMJP-00005 U -
----------------------------------------------------------------------------------------
EID-Enclosure Device ID|Slt-Slot No.|DID-Device ID|DG-DriveGroup
DHS-Dedicated Hot Spare|UGood-Unconfigured Good|GHS-Global Hotspare
UBad-Unconfigured Bad|Onln-Online|Offln-Offline|Intf-Interface
Med-Media Type|SED-Self Encryptive Drive|PI-Protection Info
SeSz-Sector Size|Sp-Spun|U-Up|D-Down|T-Transition|F-Foreign
UGUnsp-Unsupported|UGShld-UnConfigured shielded|HSPShld-Hotspare shielded
CFShld-Configured shielded|Cpybck-CopyBack|CBShld-Copyback Shielded
The mount path got below error:
$ sudo ls /raid/
ls: reading directory '/raid/': Input/output error
I suspect that one of the disks as below is in trouble:
8:3 12 UGood - 1.745 TB SATA SSD N N 512B SAMSUNG MZ7LM1T9HMJP-00005 U -
The state of that disk is originally UBad. I just follow this link to mark it “Unconfigured Good”. My question is how can I remove that disk and restore the raid with the rest disks? Thanks in advance!
Try to add a hotspare (= disk that will be used when a drive fails). If you think the disk in enclosure 8, slot 3 is still good, turn it into a hotspare:
storcli /c0/e8/s3 add hotsparedrive
Or add a completely new disk. Use the show command in your question to determine the slot of the new disk and use add hotsparedrive to assign it as hotspare.
This action should trigger the rebuild. You can check with this command:
storcli /c0/eall/sall show rebuild
If the rebuild doesn't start automatically, check
storcli /call show autorebuild
To force a rebuild, use
storcli /c0/e8/s# start rebuild
(replace # with the slot of one disk that is part of the array; I don't know if that has to be a specific disk).
It's good practice to always have a hotspare active in the disk array in case the problem happens during the night or the weekend.
Answered by Aaron Digulla on January 10, 2021
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