VM Filesystem corrupted after hanging backup

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pos-sudo

Member
Jun 13, 2021
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Hello,

We've encountered an issue with an VM which has failed to make an backup, since the backup process didn't stop by itself we killed it by use of the process ID. We managed to fix the filesystem corruption on this particular VM but I was wondering why this can happen on the filesystem of the VM. Is this normal behaviour, is there something we can do different in order to prevent this from happening in the future?

Thanks in advanced!
 
The backup process is creating a QEMU-internal snapshot of the device in order to be able to write a more consistent backup. If the backup fails somehow, this snapshot is not released and will eventually yield to the state you described. I also encountered this a few times and sadly I do not have an answer.
 
LnxBil said:
The backup process is creating a QEMU-internal snapshot of the device in order to be able to write a more consistent backup. If the backup fails somehow, this snapshot is not released and will eventually yield to the state you described. I also encountered this a few times and sadly I do not have an answer.
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Thank you for your response. I guess as long as we manage to fix it and if this wouldnt happen often than it is alright ;)
 
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