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

[jerome.borowiak at c-s.fr]

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.