If a disk / VDI is orphaned or only partially deleted you’ll notice that under the SR it’s not assigned to any VM. This can cause issues that look like metadata corruption resulting in the inability to migrate VMs or edit storage. For example: [root@xenserver-host ~]# xe vdi-destroy uuid=6c2cd848-ac0e-441c-9cd6-9865fca7fe8bError code: SR_BACKEND_FAILURE_181 Error parameters: , Error in Metadata volume operation for SR. [opterr=VDI delete operation failed for parameters: /dev/VG_XenStorage...
