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

Rob Ross rross at mcs.anl.gov
Sat Sep 25 20:03:18 EDT 2004


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.
> 
> 
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