Re: Cluster, zones, noreboot.
Filip Francis <filip.francis <at> telenet.be>
2010-07-13 12:05:20 GMT
No unless you have a certain version off Solaris i think this is only
from version 10u7 or 10u8 that you have this option.
This is his problem.
The cluster will not do this for you it think this is scheduled in the
next release of sun cluster later this year
On 07/13/10 13:54, Glenn Satchell wrote:
> When a zone migrates back to a patched system, doesn't it normally
> update itself as it starts up the first time?
> Have a look at the zoneadm man page, in particular the attach and
> detach sub-commands. I don't know for sure, but Sun Cluster may be
> smart enough to do the right thing and use zoneadm attach -u to bring
> the zone up to date when it attaches to the patched system.
> Perhaps a quick chat with your local Sun SE to help plan things might
> be time well spent?
> On 07/13/10 21:41, David Stark wrote:
>> On 13/07/2010 12:31, Filip Francis wrote:
>>> Hi there,
>>> I have done already quit a few upgrades of sun clusters.
>>> Can you give me some more details on what version off cluster + version
>>> off os.
>> Sure. It's Sun Cluster 3.2 on Solaris 10 5/08. Mainly 2 node clusters,
>> but there's a 3 node and a 6 node as well. Mainly T5220 machines hooked
>> up to EMC Symmetrix storage. The hosts' / slices are all UFS, all the
>> zones and data filesystems are ZFS.
>>> On 07/13/10 11:52, David Stark wrote:
>>>> Hi List.
>>>> A bit off-topic, but PCA's involved, so I'm going to push my luck.
>>>> We've got a number of Sun Cluster installs using (lots of) failover
>>>> zones and with no LiveUpgrade alt. boot space set up, which we need to
>>>> patch. If we were to patch the clusters node-by-node (including the
>>>> kernel patches that don't like zones being booted when they're
>>>> applied), the zones would fail over between the nodes and never get
>>>> patched themselves, and since kernel (and some other?) patches can't
>>>> be applied from inside zones we would end up in a situation where the
>>>> zones' patch databases are out of sync with the Global zone. I know
>>>> from very bitter experience that this is a Bad Thing, so to avoid that
>>>> we're currently bringing the clusters down to patch them. This
>>>> obviously isn't optimal - people expecting 100% uptime from the
>>>> clusters are naturally a bit annoyed at having their applications down
>>>> for several hours while we unleash the mighty PCA.
>>>> So, to minimise downtime I'd like to apply the noreboot patches, say,
>>>> the night before, and have a more minimal patch run with the clusters
>>>> down. This brings me to the question:
>>>> Has anyone ever had any problems with noreboot patches applied to live
>>>> systems? Any weirdness at all? I've patched plenty of test machines in
>>>> multi-user mode, but never busy production boxes - these are fairly
>>>> large Oracle and SAP environments for the most part.
>>>> Anyone with experience patching Sun Cluster care to share any top