[PVFS-users] PVFS + Rockscluster + dd = Cannot allocate memory

jerome.borowiak at c-s.fr jerome.borowiak at c-s.fr
Tue Sep 28 17:00:43 EDT 2004


Found !

Here there is an answer found by a colleague...

Modify the /etc/modules.conf as :

options pvfs buffer=dynamic
(default options is : options pvfs buffer=mapped)

And now the related question is : 

Does exist any consequence ???

Cu
J.

---- Messages d´origine ----
De: Rob Ross <rross at mcs.anl.gov>
Date: Dimanche, Septembre 26, 2004 2:03 am
Objet: Re: [PVFS-users] PVFS + Rockscluster + dd = Cannot allocate memory

> Hi,
> 
> Could you give me versions for everything (kernel, pvfs)?  What 
> hardware 
> is this?
> 
> Thanks!
> 
> Rob
> 
> On Fri, 24 Sep 2004 jerome.borowiak at c-s.fr wrote:
> 
> > Hello Folks,
> > 
> > Helps !
> > I am trying to use PVFS into Rocks 3.2 distro but something goes 
> wrong.> 
> > Config = 3 dedicated I/O servers including 1 machine for meta-server
> > totally 2.8 To
> > 
> > Mounting and using PVFS works fine as shown above...
> > 
> > [root at tantale-0-5 jerome]# df -h
> > tantale-1-0:/pvfs-meta
> >                      2.8T  144G  2.7T   6% /mnt/pvfs
> > 
> > Copying files is working fine but the needed help resides here, 
> when...> 
> > [root at tantale-0-5 jerome]# pwd
> > /mnt/pvfs/jerome
> > 
> > [root at tantale-0-5 jerome]# dd if=/dev/zero of=bidon count=1 
> bs=8388608> 1+0 records in
> > 1+0 records out
> > 
> > ... ok, it's working but now with 'bs' +1 ...
> > 
> > [root at tantale-0-5 jerome]# dd if=/dev/zero of=bidon count=1 
> bs=8388609> dd: writing `bidon': Cannot allocate memory
> > 1+0 records in
> > 0+0 records out
> > 
> > ... no more working !
> > 
> > Any idea ?
> > *ps = Using 'dd' into a NFS mount is working perfecly fine.
> > 
> > Help... one week on Google give nothing.
> > 
> > 
> > _______________________________________________
> > PVFS-users mailing list
> > PVFS-users at www.beowulf-underground.org
> > http://www.beowulf-underground.org/mailman/listinfo/pvfs-users
> > 
> > 
> 




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