On 01/09/16 13:27, Dietmar Maurer wrote: >> What is worrying is >> >> a) there is no effective way to back up a VM if you cannot mount the >> partition > > The basic idea of backup is that you do the backup "before" you have > a data loss ... >
Yes, very droll ROFL..... I should really have said there is no way to 'access' the KVM rather than 'backup' > You can still copy the whole disk and then try to do the > restore your data with that copy (I would not touch the original disks). > Yup, I can see that would be a possibility, if you could get to the disks easily a 1000 miles away buried in a data centre.... :-) The problem is if the lvm-thin takes up ALL your available space you cannot backup to 'local' (easily accessible) storage, even if you wanted to with said VM running. And a snapshot on the lvm-thin partition woudl be inaccessible and you would be in the same place. So no access to VMs and no access to backups/snapshots I was wondering if there should either be some different defaults/choices for single servers, or some warnings of the consequences ? B. Rgds John
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