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"The bosses ask,
VSAN uses two hard disks as RAID0 VDs as capacity disks. Now a fast hard disk foregin a hard disk faild,
The disk group information displayed under the web client is as follows.
However, the esxicli vsan storage list does not display the VSD information of Absent vsan disk (vsan uuid:xxxx).
This raid0 VD cannot be deleted in the disk group. The error is as follows.
How do you delete this absent vsan Disk information?"
If the device is PDL (thus the UUID as opposed to naa referencing it) then removing it can sometimes be problematic.
First check that your data has been rebuilt elsewhere via Cluster > Monitor > vSAN > Health > Data - if this is green then it should be safe to place this node in Maintenance Mode with 'Ensure Accessibility' option and then reboot it.
If it comes up with the device accessible again then you should be able to remove it (before taking the host out of Maintenance Mode).
Further information regarding cause of failure should be noted in the vmkernel.log e.g. 0x3 0x11 sense codes.
Thank you, Bob
我试过主机进入"维护模式"，重启主机后 ，磁盘还是识别为"Absent vsan disk (UUID:xxxxx)",还是无法从磁盘组删除磁盘。
I tried to enter the host into "maintenance mode ", but after restarting the host, the disk was still identified as "Absent vsan disk (UUID: XXXXX)", which still failed to remove the disk from the disk group.
the vmkernel.log display"cpu47:37057 opID=f36cf424)WARNING: PLOG: PLOG_ExecVSIOp:1551: Disk xxxxxx1-05xx-1xxx1-03ac-xxxxxxxxxxx not found in plog list"
"but after restarting the host, the disk was still identified as "Absent vsan disk (UUID: XXXXX)", which still failed to remove the disk from the disk group."
Have you attempted removing this disk via the GUI? (Cluster > Manage/Configure > vSAN > Disk Management > Select device > Delete button > No Action (ONLY use this option if all data is healthy))
Are you positive the device hasn't come back referenced with naa as well as this PDL UUID persisting?
Check how many devices have vSAN partitions on them (should be 2 on each device) in /dev/disks/ - if the device is PDL then you should have total number of disks minus one.
#vdq -q should also indicate whether a device is PDL.
Do you have physical access to the servers? You could try reseating the device and/or checking for other signs of life e.g. blinky lights on boot etc.
Have you checked if the device is visible in the controller BIOS settings and/or whether the RAID0 VD is intact?
in then RAID configuration， the RAID0 VD Non-existent
Thank you, Bob.
I tried replacing the hard disk and deleting the bad disk, but it didn't work.
After the host is in maintenance mode, the problem is resolved by removing the disk group.