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From: cjt on 20 Jan 2010 17:26
cindy wrote:
> On Jan 20, 9:23 am, "Richard B. Gilbert" <rgilber...(a)comcast.net>
> wrote:
>> cindy wrote:
>>> On Jan 19, 11:10 pm, Ian Collins <ian-n...(a)hotmail.com> wrote:
>>>> cjt wrote:
>>>>> Is it possible to aggregate disks on multiple hosts in ZFS, or do all
>>>>> the disks in a pool have to be on a single machine?
>>>> How do you propose exporting them form each host?
>>>> You can export iSCSI volumes and aggregate those.
>>>> --
>>>> Ian Collins
>>> Keep in mind too that ZFS is not a cluster file system so it cannot
>>> be accessed concurrently from different hosts.
>>> Cindy
>> Does the O/S block such attempts? Or do you just say "that way lies
>> disaster!"??
>
> If you access data from the same pool concurrently from different
> systems,
> then data corruption can result. NFS access is fully supported and
> works
> as expected.
>
> If you attempt to import a pool from one system to another system,
> zpool import will warn you as described in this blog:
>
> http://blogs.sun.com/erickustarz/entry/poor_man_s_cluster_end
>
> ZFS is supported in the SunCluster 3.2 product with live failover
> between systems,
> so that pools between systems are imported automatically.
>
>
> Cindy

Thanks to everyone who responded. This has given me a lot to study and
consider.
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