[OmniOS-discuss] High Availability storage with ZFS

[Stephan Budach]

Am 06.01.15 um 14:08 schrieb Filip Marvan:
>
> Hi Vincenzo,
>
> your solution is much more better, so thank you very much for your 
> notes. I will try that too!
>
> Filip
>
> *From:*Vincenzo Pii [mailto:piiv at zhaw.ch]
> *Sent:* Tuesday, January 06, 2015 1:54 PM
> *To:* Filip Marvan
> *Cc:* omnios-discuss at lists.omniti.com
> *Subject:* Re: [OmniOS-discuss] High Availability storage with ZFS
>
> 2015-01-06 12:16 GMT+01:00 Filip Marvan <filip.marvan at aira.cz 
> <mailto:filip.marvan at aira.cz>>:
>
> Hi
>
> as few guys before, I'm thinking again about High Availability storage 
> with ZFS. I know, that there is great commercial RSF-1, but that's 
> quite expensive for my needs.
>
> I know, that Sašo did a great job about that on his blog 
> http://zfs-create.blogspot.cz but I never found the way, how to 
> successfully configure that on current OmniOS versions.
>
> So I'm thinking about something more simple. Arrange two LUNs from two 
> OmniOS ZFS storages in one software mirror through fibrechannel. 
> Arrange that mirror in client, for example mdadm in Linux. I know, 
> that it will have performance affect and I will lost some ZFS 
> advantages, but I still can use snapshots, backups with send/receive 
> and some other interesting ZFS things, so it could be usable for some 
> projects.
>
> Is there anyone, who tried that before? Any eperience with that?
>
> Thank you,
>
> Filip Marvan
>
>
> Hi Filip,
>
> I am not directly answering your question, but I've gone through the 
> configuration of HA (with pacemaker) on OmniOS in the past months and 
> collected all my notes here: 
> http://blog.zhaw.ch/icclab/use-pacemaker-and-corosync-on-illumos-omnios-to-run-a-ha-activepassive-cluster/, 
> maybe it can be useful for you.
>
> In my experience, running pacemaker correctly on OmniOS is just the 
> tip of the iceberg, then comes the implementation/configuration of the 
> resource agents (and the cluster itself!).
>
> If this way is worth it, rather than a quicker and more custom 
> solution, depends on the long term plans :).
>
> Best regards,
>
> Vincenzo.
>
Have you looked at the setup that Saso Kiselkov describes in his blog 
here: 
http://zfs-create.blogspot.nl/2013/06/building-zfs-storage-appliance-part-1.html
It seems to cover most of a pacemaker setup, including the resource agents.


Cheers,
budy
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