ZFS Raid1 (2x 'cheapo' SSD) - additional single drive for backups?

jaceqp

Well-Known Member
May 28, 2018
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Hi there.
I'm doing some maintenance on a desktop based 'server' used as SQL database host for ca 5 LAN users.
It was running bios-software RAID1 on 2x Samsung EVO 250GB SATA SSD's. I know that those are NOT server grade but what can you do :/ 3rd drive is a regular 3,5" 1TB SATA for backups etc.

Now, after a clean install Proxmox with ZFS RAID1 on SSD's I'm thinking of using additional hard drive for VM backups. Not sure how though.
I created a new ZFS pool with SATA drive attached, then added ZFS storage but only content I can set is Disk image and/or Container. It seems that I can't use this type 'mounting' and use it for vzdump-type vm backup. Shall I set this disk lets say in EXT4 instead in order to use proxmox based vm backups?

Obviously ZFS has some fancy stuff but I might need to extract VM (or Virtual Disks) backups to lets say samba share or usb drive.

BTW. If having two ZFS pools like above: SSD (RAID1) plus storage_1TB can I somehow perform backups one to another on a ZFS level?
 
Hi,

It seems that I can't use this type 'mounting' and use it for vzdump-type vm backup. Shall I set this disk lets say in EXT4 instead in order to use proxmox based vm backups?
if you use the ZFSPool plugin only KVM and LXC are possible.
You have to use dir plugin when you like Backups.