Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
2009/9/24 Robert Milkowski mi...@task.gda.pl Mike Gerdts wrote: On Wed, Sep 23, 2009 at 7:32 AM, bertram fukuda bertram.fuk...@hp.com wrote: Thanks for the info Mike. Just so I'm clear. You suggest 1)create a single zpool from my LUN 2) create a single ZFS filesystem 3) create 2 zone in the ZFS filesystem. Sound right? Correct Well I would actually recommend to create a dedicate zfs file system for each zone (which zoneadm should do for you anyway). The reason is that it is much easier then to get information on how much storage each zone is using, you can set a quote or reservation for storage for each zone independently, you can easily clone each zone, snapshot it, etc. Another thing. If you will use live upgrade (and as I understand then pkg image-update does that seamlessly) then besides putting each zone on its own filesystem you also should add another two datasets to be delegated to zones where they can store their data. This would ensure that during LU you don't boot up with a bit old data in zones. For example, this could be very important on mail servers so you don't forget some new mails in spool directories which arrived after creation of new environment, but before reboot. -- Robert Milkowski http://milek.blogspot.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
[zfs-discuss] New to ZFS: One LUN, multiple zones
I have a 1TB LUN being presented to me from our storage team. I need to create 2 zones and share the storage between them. Would it be best to repartition the LUNs (2 500Gb slices), create 2 separate storage pools then assign them separately to each zone? If not, what would be the recommended way. I've read a ton of documentation but end up getting more confused than anything. Thanks, Bert -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
On Wed, Sep 23, 2009 at 7:04 AM, bertram fukuda bertram.fuk...@hp.com wrote: I have a 1TB LUN being presented to me from our storage team. I need to create 2 zones and share the storage between them. Would it be best to repartition the LUNs (2 500Gb slices), create 2 separate storage pools then assign them separately to each zone? If not, what would be the recommended way. I've read a ton of documentation but end up getting more confused than anything. The only time that I would create multiple storage pools for zones is if I intend to migrate them to other hosts independently. That is, at time t1 I have zones z1 and z2 on host h1. I think that at some time in the future I would like to move z2 to host h2 while leaving z1 on h1. Since you only have one LUN, you are not able to move the zones independently via reassigning a LUN to another host. That is, it is impossible to split the LUN and unsafe to share the LUN to multiple hosts. In your situation, I would create one pool and put both zones on it. When you decide you need more zones, put them in it too. As an aside, I rarely find the idea that I have X amount of space and Y things to put into it, so I will give each thing X/Y space. This is because it is quite likely that someone will do the operation Y++ and there are very few storage technologies that allow you to shrink the amount of space allocated to each item. -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
Thanks for the info Mike. Just so I'm clear. You suggest 1)create a single zpool from my LUN 2) create a single ZFS filesystem 3) create 2 zone in the ZFS filesystem. Sound right? Thanks again, Bert -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
2009/9/23 bertram fukuda bertram.fuk...@hp.com Thanks for the info Mike. Just so I'm clear. You suggest 1)create a single zpool from my LUN 2) create a single ZFS filesystem 3) create 2 zone in the ZFS filesystem. Sound right? You can create zfs filesystems for each zone and you also can delegate zfs filesystems to be managed by zones. I usually put each zone's root on its own filesystem atleast. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
On Wed, Sep 23, 2009 at 7:32 AM, bertram fukuda bertram.fuk...@hp.com wrote: Thanks for the info Mike. Just so I'm clear. You suggest 1)create a single zpool from my LUN 2) create a single ZFS filesystem 3) create 2 zone in the ZFS filesystem. Sound right? Correct -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
Awesome!!! Thanks for you help. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
On Sep 23, 2009, at 08:13, Mike Gerdts wrote: That is, at time t1 I have zones z1 and z2 on host h1. I think that at some time in the future I would like to move z2 to host h2 while leaving z1 on h1. You can have a single pool, but it's probably good to have each zone in its own file system. As mentioned in another message this would allow you to delegate (if so desired), but what it also allows you to do is move the zone later on (also with a 'zfs send / recv'): http://prefetch.net/blog/index.php/2006/09/27/moving-solaris-zones/ http://blogs.sun.com/gz/entry/how_to_move_a_solaris It also allows you to clone zones if you want cookie-cutter configurations (or even have a base set up that's common to multiple zones): http://www.cuddletech.com/blog/pivot/entry.php?id=751 http://www.google.com/search?q=zone+clone+zfs ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
David, What if we have no plans on moving or cloning the zone, I can get away with only pool right? If I'm doing a separate FS for each zone is it just slice up my LUN, create a FS for each zone and I'm done? Thanks, Bert -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
On Sep 23, 2009, at 20:48, bertram fukuda wrote:
What if we have no plans on moving or cloning the zone, I can get
away with only pool right?
Sure.
If I'm doing a separate FS for each zone is it just slice up my LUN,
create a FS for each zone and I'm done?
One pool from the LUN ('zpool create zonepool c2t0d0'), but with-in
that pool you do a 'zfs create' for each zone (I think zoneadm can do
this automatically as well):
zfs create zonepool/zone1
zfs create zonepool/zone2
zfs create zonepool/zone3
This allows you to do snapshots and rollbacks on the zone for things
like patching and other major changes.
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Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
On Wed, Sep 23, 2009 at 8:12 PM, David Magda dma...@ee.ryerson.ca wrote:
On Sep 23, 2009, at 20:48, bertram fukuda wrote:
What if we have no plans on moving or cloning the zone, I can get away
with only pool right?
Sure.
If I'm doing a separate FS for each zone is it just slice up my LUN,
create a FS for each zone and I'm done?
One pool from the LUN ('zpool create zonepool c2t0d0'), but with-in that
pool you do a 'zfs create' for each zone (I think zoneadm can do this
automatically as well):
zfs create zonepool/zone1
zfs create zonepool/zone2
zfs create zonepool/zone3
This allows you to do snapshots and rollbacks on the zone for things like
patching and other major changes.
Agreed. And it allows you to do migrations sometime in the future with
host1# zoneadm -z zone1 detach
host1# zfs snapshot zonepool/zo...@migrate
host1# zfs send -r zonepool/zo...@migrate \
| ssh host2 zfs receive zones/zo...@migrate
host2# zonecfg -z zone1 create -a /zones/zone1
host2# zonecfg -z zone1 attach
host2# zoneadm -z zone1 boot
--
Mike Gerdts
http://mgerdts.blogspot.com/
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Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
Mike Gerdts wrote: On Wed, Sep 23, 2009 at 7:32 AM, bertram fukuda bertram.fuk...@hp.com wrote: Thanks for the info Mike. Just so I'm clear. You suggest 1)create a single zpool from my LUN 2) create a single ZFS filesystem 3) create 2 zone in the ZFS filesystem. Sound right? Correct Well I would actually recommend to create a dedicate zfs file system for each zone (which zoneadm should do for you anyway). The reason is that it is much easier then to get information on how much storage each zone is using, you can set a quote or reservation for storage for each zone independently, you can easily clone each zone, snapshot it, etc. -- Robert Milkowski http://milek.blogspot.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] New to ZFS: One LUN, multiple zones
Would I just do the following then: zpool create -f zone1 c1t1d0s0 zfs create zone1/test1 zfs create zone1/test2 Woud I then use zfs set quota=xxxG to handle disk usage? -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
