Andrew:

Another thought:  after you get a failed make and you cannot access a file
through the kernel, what happens if you reboot the kernel?  Do you still
get "?" in your "ls" output?

Becky

On Wed, May 16, 2012 at 2:49 PM, Becky Ligon <[email protected]> wrote:

> Andrew:
>
> I was able to run "make -j10" without any problems.  The primary
> difference is the Linux kernel version.  I am running
> 2.6.32-220.4.1.el6.x86_64.  I also had selinux disabled.
>
> My environment used orangefs-2.8.5, 3 servers and 1 client, all on the
> same machine.  My OFS configure command looked like:
>
>  ./configure --prefix=/home/bligon/orangefs-2.8.5/install
> --with-kernel=/usr/src/kernels/2.6.32-220.4.1.el6.x86_64 --with-db=/opt/db4
>
> I ran the following commands:
>
> cd /mnt/pvfs2
> tar -xzf torque-3.0.5.tar.gz
> cd torque-3.0.5
> ./configure
> make -j10
>
> To narrow down the problem, could you please configure your OFS
> installation as I did with mine?  The with-db option is only needed if your
> installation of Berkeley DB is not in the standard location.  BTW, which
> version of BDB are you using?  I am running 4.8.30.  --prefix isn't
> required either.  If you're not running 4.8.30 or later, you need to be.
>
> Thanks,
> Becky
>
>
> On Wed, May 16, 2012 at 9:40 AM, Becky Ligon <[email protected]> wrote:
>
>> Andrew:
>>
>> Thanks for answering my questions.  Just trying to get a handle on the
>> situation.
>>
>> The mmap readahead cache is noted as experimental.  Since you were
>> getting error messages from it, I assume that there is a bug in it
>> somewhere, so you probably shouldn't use it.
>>
>> I'll continue looking at your issues today.  The first thing that I am
>> going to do is download the tar ball and run parallel make in my
>> environment and see what happens.
>>
>> Becky
>>
>>
>> On Wed, May 16, 2012 at 2:16 AM, Andrew Savchenko <[email protected]>wrote:
>>
>>> On Wed, 16 May 2012 08:26:55 +0400 Andrew Savchenko wrote:
>>> > On Tue, 15 May 2012 14:45:13 -0400 Becky Ligon wrote:
>>> > > When you configured OrangeFS, did you enable the readahead cache (
>>> > > --enable-mmap-racache )?
>>> >
>>> > Yes, mmap-racache is enabled. I'll try to disable it and see how
>>> > tests are going.
>>>
>>> I recompiled orangefs with --disable-mmap-racache (other options were
>>> not changed), reinstalled and restarted all servers and clients.
>>> Problem is still here, fails on random files as before, but no opcode
>>> messages in client.log, no messages at all.
>>>
>>> As for now I'll reenable mmap support, as it shows some benefit on
>>> tests. Do you recommend me not to use mmap in future? It is possible
>>> I have hit multiple problems here, and mmap opcode messages is only
>>> one of them.
>>>
>>> Best regards,
>>> Andrew Savchenko
>>>
>>
>>
>>
>> --
>> Becky Ligon
>> OrangeFS Support and Development
>> Omnibond Systems
>> Anderson, South Carolina
>>
>>
>>
>
>
> --
> Becky Ligon
> OrangeFS Support and Development
> Omnibond Systems
> Anderson, South Carolina
>
>
>


-- 
Becky Ligon
OrangeFS Support and Development
Omnibond Systems
Anderson, South Carolina
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