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VM will not start following backup failure


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This morning I found that one of my VMs will not start following a backup failure.

Im using the 'VM Backup' plugin by JTok.

Previous days backups look complete but this mornings backup (.zst) of that vm is not there (only the .xml exists).

I did not take a screenshot of the backup failure error and cannot now access the vm backup log.  I get an 'undefined' error when trying. Probably because libvert will not start.

Restarting VM Manager results in a Libvert error:
"2023-10-31 13:44:08.174+0000: 24168: error : virQEMUFileOpenAs:11390 : Failed to open file '/mnt/user/domains/W2K3_the_rock_bbs/vdisk1.snap': No such file or directory"

Libvert can only be started via a complete shutdown and restart of UnRaid.

'/mnt/user/domains/W2K3_the_rock_bbs/vdisk1.img' exists '/mnt/user/domains/W2K3_the_rock_bbs/vdisk1.snap' does not.  Is this a backup tmp file?

 

Not only do i need to fix, id like to understand what went wrong.  This system has been working flawlessly for a very log time and I don't see any other failures in the system.

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