how to allow backup files on a zfs pool?

M

mfgamma

Renowned Member
Jan 8, 2011
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Hi

on pvE4.4 , only disk image and container are allowed by default

when adding the backup file case in /etc/pve/storage.cfg for the specific zfspool it doest not show up in the GUI as an option.

Is it on purpose?

thanks
 
Hi,

You have to create an extra storage from type "dir" to use zfs as backup store.
 
Hi Wolfgang

thanks for the reply.

in fact I was doing that ie defining a dir using as directory the mount point of a dataset

But what triggered my point was I have seen in another track that dir on zfs is "risky"

so what exactly is ok as dir on zfs?

thanks and best regards
Marc
 
mfgamma said:
But what triggered my point was I have seen in another track that dir on zfs is "risky"
Click to expand...
Dir on ZFS is ok, but qcow2 and other strange things are very bad ideas. You create a new dataset for you backups (it is like a dir).
Code: 
zfs create mypool/backups
zfs set compression=lz4 mypool/backups
 
Last edited:
wolfgang said:
Hi,

You have to create an extra storage from type "dir" to use zfs as backup store.
Click to expand...
I know this is an old thread, but I'd still want to ask if you can do incremental backups with zfs using the dir storage.
As far as I know, you need to have the zfs logic also on the other side. Otherwise, you'd have to use full backups and you just reimport the files as they are.
 
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