[SOLVED] VM Snapshot "Insufficient Storage for Snapshot"?

[rmp5s]

I FINALLY got my GPU passthrough and everything working and DESPERATELY want to snapshot it so I know I have a good, working baseline and, when I click "create snapshot", I'm told there is "insufficient storage for snapshot"...



...uh...wut?  Insufficient storage WHERE, exactly?  I have ~16.5TB of free space on the array, almost 500GB of free space in the ZFS array...where is it trying to store the snapshot?  I'm thinking there's some setting I have to tweak or something but this makes no sense...I have storage space all over the place.  lol

That's beta software for ya.  Hahaha

Edited September 8, 2024 by rmp5s

[Kilrah]

9 minutes ago, rmp5s said:

where is it trying to store the snapshot?

Same place your vdisk is, so verify that.

[rmp5s]

1 minute ago, Kilrah said:

Same place your vdisk is, so verify that.

Hmmm...interesting...I'm passing a physical disk through to the VM...

[Kilrah]

Then you can't make snapshots, it's "layering" vdisks. 

[rmp5s]

1 minute ago, Kilrah said:

Then you can't make snapshots, it's "layering" vdisks. 

Jeeeeeeeeeez...I COMPLETELY rebuilt this machine basically just to do that...

[Kilrah]

For a physical disk you'll want to image it just like a phisical machine.

Edited September 8, 2024 by Kilrah

[rmp5s]

Just now, Kilrah said:

Then image the physical disk.

Yea, I'm looking up the "manual snapshot" procedure.  DD the disk and backup the VM itself...don't remember that last part.  I guess that'll work...

 

I did all this because I had my boot drive die (again) and thought, "I'll virtualize it all so next time it happens, it won't matter."  Guess I could just put the vdisk on that SSD...dunno how well that would perform...

[SimonF]

8 minutes ago, rmp5s said:

Jeeeeeeeeeez...I COMPLETELY rebuilt this machine basically just to do that...

Snapshots are not a backup. So you need to backup the disk, you can you DD to create an image dd if=/dev/name of=/path to image. You need to backup the XML and NVRAM both stored in /etc/libvirt/qemu.

 

Future enhancement is to look at backups within Unraid. 

[rmp5s]

1 minute ago, SimonF said:

Snapshots are not a backup. So you need to backup the disk, you can you DD to create an image dd if=/dev/name of=/path to image. You need to backup the XML and NVRAM both stored in /etc/libvirt/qemu.

 

Future enhancement is to look at backups within Unraid. 

Awesome.  Thanks.