Indeed, but keep in mind that blog was using straight lofi. What is
described below is leveraging zpool/zfs interfaces. straight lofi was
slow and not too useful outside proof of concept. zpool/zfs seems to be
running just fine.
Derek McEachern wrote:
If zonecfg determines that the target fs type is nfs it will error and
not allow the zone to be configured. You can jump through hoops and do
things to hide that fact from zonecfg so it doesn't believe that the
zone root is running over nfs but I've got to think that it's not going
to be well tested, if tested at all.
Also, the blog you reference has the warning,
/First let me say this is a workaround hack, we didn't do anything
illegal, and all the interfaces we used are regular Solaris interfaces,
however it comes dangerously close to the don't do this at home folks
category. So think twice before you'd use it in a production
environment, but it definitely fun to do./
I'm not sure that I would feel comfortable running anything production
critical configured this way.
Derek
On Wed, Aug 19, 2009 at 6:03 PM, Henrik Johansson henr...@henkis.net
mailto:henr...@henkis.net wrote:
Hello Michael,
On Aug 19, 2009, at 7:17 PM, Michael Barrett wrote:
Say you create a zpool based on a file that lives on a NFS mount.
Then you mount that zpool to a local mount point and give it to
your zone to live on. I'm assuming that under the covers this is
just another version of this loopback method:
http://blogs.sun.com/jph/entry/containers_on_nfs
Is there anyone out there running like this? Any performance
issues that jumped out at you?
Since using files as backing store for a pool is not recommended,
putting them on NFS will probably not make things better. It will
only be as reliable as the remote filesystem and NFS implementation
together. People have lost their pools in far less complex
configurations, talk to the ZFS people but i doubt they will approve.
I would feel more safe with UFS if I where to put a filesystem on
files or perhaps
iSCSI: http://blogs.sun.com/JeffV/entry/zoit_solaris_zones_on_iscsi
Regards
Henrik
http://sparcv9.blogspot.com http://sparcv9.blogspot.com/
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