[OmniOS-discuss] zones on external storage

[Sriram Narayanan]

On Sat, Dec 15, 2012 at 9:17 PM, Michael Stapleton
<michael.stapleton at techsologic.com> wrote:
> Sorry, no live migration of individual zones in Solaris 11 either.

Here is the documentation stating that there is Cold migration only :
http://docs.oracle.com/cd/E18440_01/doc.111/e18415/chapter_zones.htm#autoId34

Implementing Zone Live migration would be similar to KVM/Xen live
migration in terms of implementation - perhaps even more. This would
be something that folks like Jerry Jelinek and others at Joyent would
be able to comment on and implement (he is a leading Zones developer).


> Zen, LDOMs or VirtualBox VMs only.
>
> Of course if Solaris11 with zones is running in a VM or LDOM and it is
> migrated, all the zones in the OS are migrated as well.
>
>
> Mike
>
>
> On Sat, 2012-12-15 at 15:41 +0100, Johan Kragsterman wrote:
>
> Hi!
>
>
>
> Not entirely true, that.
>
>
>
> With oracle enterprise manager opc center you can live migrate zones.
>
>
>
> How they do it, I don't know...
>
>
>
> But since they can do it with opc center, it should be possible with cli as
> well, wouldn't it?
>
>
>
> Rgrds Johan
>
>
>
>
>
>
>
> -----sriramnrn at gmail.com skrev: -----
>
> Till: Johan Kragsterman <johan.kragsterman at capvert.se>
> Från: Sriram Narayanan
> Sänt av: sriramnrn at gmail.com
> Datum: 2012.12.15 13:09
> Ärende: Re: [OmniOS-discuss] zones on external storage
>
> On Sat, Dec 15, 2012 at 5:26 PM, Johan Kragsterman
> <johan.kragsterman at capvert.se> wrote:
>> Hi!
>>
>> Yeah, I know that, and I had this discussion with the joyent people. That
>> is
>> the main reason I moved my interest from SmartOS to OmniOS, because their
>> lack of interest for supporting external storage.
>>
>> In my world, not-alive-migration is better than no migration at all.
>>
>> I have also seen that Solaris 11.1 is supporting some kind of live
>> migration
>> for zones, Would be nice to hear from OmniTI if they plan something like
>> that?
>>
>
> The Live migration is for Xen based instances running on Oracle OVM
> (based on Xen) on x86, and for LDOMs on SPARC, and not for zones.
>
> Please see :
> http://www.c0t0d0s0.org/archives/7441-How-to-show-off-live-migration-with-a-SPARC-system.html
> for a commentary on live migration for LDOM on SPARC.
>
>>
>> -----sriramnrn at gmail.com skrev: -----
>> Till: Johan Kragsterman <johan.kragsterman at capvert.se>
>> Från: Sriram Narayanan
>> Sänt av: sriramnrn at gmail.com
>> Datum: 2012.12.15 12:26
>> Kopia: omnios-discuss <omnios-discuss at lists.omniti.com>
>> Ärende: Re: [OmniOS-discuss] zones on external storage
>>
>> On Sat, Dec 15, 2012 at 4:50 PM, Johan Kragsterman
>> <johan.kragsterman at capvert.se> wrote:
>>> Hi!
>>>
>>>  I've started to experiment with zones on external Fc storage. This
>>> because
>>> I work very much with Fc, and I'd like a way to smoothly move a zone to
>>> another host. Things seem to be that you need to put each zone on their
>>> own
>>> zpool, is it so? What I've done so far is to provision a LUN to the host,
>>> create a zool(zonepool1) of it, and then set zonepath=zonepool1/z1(name
>>> of
>>> the zone).
>>>  Then it seems to be the way to detach the zpool(zonepool1) from the
>>> original host, and then reattach it to the new pool, is that right?
>>>
>>>  Anything else that I should think of here...?
>>
>>
>> You'll also need to remember that there's no live migration or
>> suspension of zone processes.
>> For those that need more resiliency, it's better to focus on
>> application level loadbalancing and failover than depend on the
>> underlying infrastructure for help. This is the approach that Joyent
>> adopt, and also one which lends itself to horizontal scaling (where
>> you add more zones over a number of boxes).
>>
>>>  Rgrds Johan
>> --
>> Belenix: www.belenix.org
>
>
>
> --
> Belenix: www.belenix.org
>
>
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-- 
Belenix: www.belenix.org