Proxmox – Unable to wipe disk – disk/partition ‘/dev/sdX’ has a holder (500) – on mirrored disks
Background When deleting a disk from the Proxmox UI, you are presented with several options. Depending on where you started, you might get this problem:
proxmox-ve
In Proxmox, what is the difference between Virtio SCSI and Virtio SCSI Single?
This is easy to google, but important to note the maximum performant is Virtio SCSI Single and io_thread. See here: https://forum.proxmox.com/threads/default-setting-of-scsi-controller-is-now-virtio-scsi-single.121491/ https://kb.blockbridge.com/technote/proxmox-aio-vs-iouring/ and especially here:
Proxmox VE Cluster Live Restore of Normal Backup Job Across TheGrandWazoo NAS Fails
Whilst trying to restore a normal backup job from one node to another in another part of the cluster, the following is experienced: Warning: volblocksize
VM 123 qmp command ‘block_resize’ failed – iSCSI: failed to send readcapacity10/16 command (500)
Whilst trying to enlarge a Proxmox VE iSCSI TrueNAS attached disk to a PBS server, you might encounter the following problem: VM 123 qmp command