[ClusterLabs] iSCSI on ZFS on DRBD

Mark Adams mark at openvs.co.uk
Tue Nov 22 12:08:04 EST 2016

Just to clarify, I'm referring to "ZFS over iSCSI" in regards to proxmox.



On 22 November 2016 at 16:59, Mark Adams <mark at openvs.co.uk> wrote:

> Hi All,
> Looking for some opinions on this, if anyone has any. I'm looking at this
> solution to be for proxmox vm nodes using zfsoniscsi.
> Just as back round for people that haven't looked at proxmox before it
> logs on to the iscsi server via ssh and creates a zfs dataset then adds
> iscsi config to /etc/ietd.conf so that dataset is available as a LUN. This
> works fine when you've got a single iscsi host, but I haven't figured out a
> way to use it with pacemaker/corosync.
> Is there any way to have ISCSILogicalUnit read it's luns from a config
> file instead of specifying each one in the cluster config? or is there any
> other resource agents that might be more suitable for this job? I could
> write my own "watcher" script I guess, but does anyone think this is a
> dangerous idea?
> Is the only sensible thing really to make proxmox zfsonlinux
> pacemaker/corosync "aware" so that it's scripts can create the luns through
> pcs instead of adding the config to ietd.conf?
> Is anyone using zfs/iscsi/drbd in some other configuration and had success?
> Looking forward to all ideas!
> Regards,
> Mark

Mark Adams
Open Virtualisation Solutions Ltd.
Registered in England and Wales number: 07709887
Office Address: 274 Verdant Lane, London, SE6 1TW
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