[gpfsug-discuss] Upgrade path

[Vic Cornell]

As with all of these things the Wiki is your friend.

In this case it will point you at the documentation.

The bits you want are here.

http://publib.boulder.ibm.com/infocenter/clresctr/vxrx/topic/com.ibm.cluster.gpfs.v3r5.gpfs300.doc/bl1ins_migratl.htm

and 

http://publib.boulder.ibm.com/infocenter/clresctr/vxrx/topic/com.ibm.cluster.gpfs.v3r5.gpfs300.doc/bl1ins_mig35.htm

You can both 3.4 and 3.5 nodes in a cluster - but I personally wouldn't do it unless I had to.

Regards,

Vic




On 8 Aug 2012, at 11:24, Steff Watkins <s.watkins at nhm.ac.uk> wrote:

> Hello,
> 
> I'm currently looking after a GPFS setup with six nodes and about 80TB disk. The current GPFS level is 3.4.0 and I'm looking to upgrade it. The (vague) plan is to do a rolling upgrade of the various nodes working through them one at a time leaving the cluster manager node until last then doing a failover of that role to another node and then upgrading the last host.
> 
> Is there a standard upgrade methodology for GPFS systems or any tricks, tips or traps to know about before I go ahead with this?
> 
> Also is it 'safe' assume that I could upgrade straight from 3.4.0 to 3.5.x or are there any intermediary steps that need to be performed as well?
> 
> Any help or advice appreciated,
> Steff Watkins
> 
> -----
> Steff Watkins                   Natural History Museum, Cromwell Road, London,SW7 5BD
> Systems programmer               Email: s.watkins at nhm.ac.uk
> Systems Team                     Phone: +44 (0)20 7942 6000 opt 2
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