[Pvfs2-users] PVFS2 v.1.5.1 'Job time out' on some pvfs2-cp and pvfs2-rm

[Sam Lang]

On Feb 20, 2007, at 2:09 AM, Murali Vilayannur wrote:

> Hi Sam,
>>
>> I think in general a lot more effort is made to get the kernel module
>> working properly than the client tools (pvfs2-*).
>
> Is this really true? All the pvfs2-* tools use the same set of SMs as
> client-core, no?
> (unless of course there is a bug in the pvfs2-*.c file?).

Hi Murali, its the tools themselves I was referring to in my comment.

>
>>  That being said,
>> we don't discourage the use of the client tools, they just don't get
>> as much pounding, and they aren't written to match the functionality
>> that the VFS provides.
>
> Hmm.. if this is indeed the case, then we could get the posix like
> library API that Brad developed into shape and use LD_PRELOAD to run
> the nightlies?

Good idea!

-sam

> thanks,
> Murali
>
>>
>> >
>> > 1) Is this a known issue that is fixed in PVFS 2.6?
>>
>> The issue I think is why pvfs2-rm causes the server(s) to crash.  If
>> possible, could you send us the logs of the servers?  They should be
>> in /tmp/pvfs2-server.log.
>>
>> > 2) Is it fine to continue to use v1.5.1 so long as I don't use the
>> > PVFS-* commands?
>>
>> Yes.  There are known bugs in the 1.5.1 release, but they aren't
>> likely to cause any problems for what you're doing.
>>
>> > 3) Is upgrading to v2.6 on a rocks cluster 'straight forward',  
>> or is
>> > it likely to involve some 'debugging' and a few days work - bear in
>> > mind my relative inexperience with Linux.
>>
>> I've never installed Rocks so I'm going to have to let someone else
>> answer that.  We pride ourselves on making PVFS easy to install and
>> deploy, and that hasn't changed in the newer releases.
>>
>> -sam
>>
>> >
>> > Regards
>> > Mark
>> > _______________________________________________
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>> >
>>
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