[lustre-discuss] Odd behavior with Matlab.

[E.S. Rosenberg]

My fault, I took the discussion OT and also forgot to set the From so that
it would be on list...

On Thu, Jun 2, 2016 at 6:59 PM, Patrick Farrell <paf at cray.com> wrote:

> Agreed, strongly - The root cause is known, and it's a patch which was
> added in Lustre 1.8.2.  There's no reason to think any current or recent
> version does not have this problem.
>
> All the info I'm referencing is in LU-4185.
> https://jira.hpdd.intel.com/browse/LU-4185
>
> - Patrick
>
> On 06/02/2016 10:54 AM, Laifer, Roland (SCC) wrote:
>
>> Phill,
>>
>> I fear you are searching in the wrong direction. As I said before the
>> return code of Lustre for mkdir on an existing directory is pretty
>> arbitrary. (As Patrick pointed out this might change if you do a stat
>> before.) We had seen that the Matlab problem disappeared for days and
>> weeks and afterwards it appeared again quite frequently. This happened
>> while there was no change in the installed Lustre versions.
>>
>> Regards,
>>    Roland
>>
>>
>> Am 02.06.2016 um 17:39 schrieb Phill Harvey-Smith:
>>
>>> On 02/06/2016 14:32, E.S. Rosenberg wrote:
>>>
>>>> What is the output of:
>>>> cat /sys/fs/lustre/version
>>>>
>>> Ok /proc/fs/lustre/version :
>>>
>>> On the 16.04 system which barfs on matlab :
>>>
>>> lustre: 2.8.53_51_g3680fa1
>>> kernel: patchless_client
>>> build:  2.8.53_51_g3680fa1
>>>
>>> On the 12.04 system where matlab works :
>>>
>>> lustre: 2.4.53
>>> kernel: patchless_client
>>> build:  v2_4_52_0-g55605c6-CHANGED-3.8.0-27-generic
>>>
>>> Cheers.
>>>
>>> Phill.
>>>
>>>
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>>>
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>
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