ZFS send over iSCSI

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casalicomputers

Renowned Member
Mar 14, 2015
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Hello everybody,
I'm looking for a reliable way to backup ZFS zvols of my proxmox system.
Since the built-in vzdump tool is pretty slow, as it always create full dumps of each virtual disk wasting a lot of disk space (no plans for qemu incremental backups yet? - http://wiki.qemu.org/Features/Livebackup), I was wondering if I could use an iSCSI drive to send ZFS snapshots.

What I'd like to do is:
1) create an iSCSI volume on my Synology NAS
2) attach that volume to the proxmox system and create a ZFS pool on it
3) create a scheduled script which will create ZFS snapshots of my VMs and then send them (using zfs send) to the other iSCSI ZFS pool
4) after the copy is finished export the ZFS iSCSI volume.

Would that approach work? Any experience on this?

Thanks,
Michele
 
No bad idea, nice idea. I've done a lot of things about that. I only have my own german docu about it. Is ok for you? I would not necessarily translate in English now. I can attach it here.
 
Hi fireon,
Glad to hear so..

I'll appreciate a lot if you would like to share your work, and I think it's not a problem if your docs are in german.
Google translate is my friend :)

Thanks,
Michele
 
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