[gpfsug-discuss] Minor GPFS versions coexistence problems?

[Aaron Knister]

Oops... I meant Kevin, not Richard.

On 8/19/16 12:12 AM, Aaron Knister wrote:
> Figured I'd throw in my "me too!" as well. We have ~3500 nodes and 60
> gpfs server nodes and we've done several rounds of rolling upgrades
> starting with 3.5.0.19 -> 3.5.0.24. We've had the cluster with a mix of
> both versions for quite some time (We're actually in that state right
> now as it would happen and have been for several months). I've not seen
> any issue with it. Of course, as Richard alluded to, its good to check
> the release notes :)
>
> -Aaron
>
> On 8/15/16 8:45 AM, Buterbaugh, Kevin L wrote:
>> Richard,
>>
>> I will second what Bob said with one caveat … on one occasion we had an
>> issue with our multi-cluster setup because the PTF’s were incompatible.
>>  However, that was clearly documented in the release notes, which we
>> obviously hadn’t read carefully enough.
>>
>> While we generally do rolling upgrades over a two to three week period,
>> we have run for months with clients at differing PTF levels.  HTHAL…
>>
>> Kevin
>>
>>> On Aug 15, 2016, at 6:22 AM, Oesterlin, Robert
>>> <Robert.Oesterlin at nuance.com <mailto:Robert.Oesterlin at nuance.com>>
>>> wrote:
>>>
>>> In general, yes, it's common practice to do the 'rolling upgrades'. If
>>> I had to do my whole cluster at once, with an outage, I'd probably
>>> never upgrade. :)
>>>
>>>
>>> Bob Oesterlin
>>> Sr Storage Engineer, Nuance HPC Grid
>>>
>>>
>>> *From: *<gpfsug-discuss-bounces at spectrumscale.org
>>> <mailto:gpfsug-discuss-bounces at spectrumscale.org>> on behalf of
>>> "Sobey, Richard A" <r.sobey at imperial.ac.uk
>>> <mailto:r.sobey at imperial.ac.uk>>
>>> *Reply-To: *gpfsug main discussion list
>>> <gpfsug-discuss at spectrumscale.org
>>> <mailto:gpfsug-discuss at spectrumscale.org>>
>>> *Date: *Monday, August 15, 2016 at 4:59 AM
>>> *To: *"'gpfsug-discuss at spectrumscale.org
>>> <mailto:gpfsug-discuss at spectrumscale.org>'"
>>> <gpfsug-discuss at spectrumscale.org
>>> <mailto:gpfsug-discuss at spectrumscale.org>>
>>> *Subject: *[EXTERNAL] [gpfsug-discuss] Minor GPFS versions coexistence
>>> problems?
>>>
>>> Hi all,
>>>
>>> If I wanted to upgrade my NSD nodes one at a time from 3.5.0.22 to
>>> 3.5.0.27 (or whatever the latest in that branch is) am I ok to stagger
>>> it over a few days, perhaps up to 2 weeks or will I run into problems
>>> if they’re on different versions?
>>>
>>> Cheers
>>>
>>> Richard
>>> _______________________________________________
>>> gpfsug-discuss mailing list
>>> gpfsug-discuss at spectrumscale.org <http://spectrumscale.org/>
>>> http://gpfsug.org/mailman/listinfo/gpfsug-discuss
>>
>> —
>> Kevin Buterbaugh - Senior System Administrator
>> Vanderbilt University - Advanced Computing Center for Research and
>> Education
>> Kevin.Buterbaugh at vanderbilt.edu
>> <mailto:Kevin.Buterbaugh at vanderbilt.edu> - (615)875-9633
>>
>>
>>
>>
>>
>> _______________________________________________
>> gpfsug-discuss mailing list
>> gpfsug-discuss at spectrumscale.org
>> http://gpfsug.org/mailman/listinfo/gpfsug-discuss
>>
>

-- 
Aaron Knister
NASA Center for Climate Simulation (Code 606.2)
Goddard Space Flight Center
(301) 286-2776