[LU-3402] parallel-scale-nfsv4 test metabench: Permission denied

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Blocker
• Affects Version/s: Lustre 2.1.6
• Environment: Lustre b2_1 build: http://build.whamcloud.com/job/lustre-b2_1/204; Distro/Arch: RHEL5.9/i686 (client), RHEL5.9/x86_64 (server)
• Severity: 3
• Assignee: WC Triage
• Reporter: Jian Yu

Description

parallel-scale-nfsv4 test metabench failed as follows:

== parallel-scale-nfsv4 test metabench: metabench ==================================================== 11:31:58 (1369593118)
OPTIONS:
METABENCH=/usr/bin/metabench
clients=client-14vm1,client-14vm2.lab.whamcloud.com 
mbench_NFILES=10000
mbench_THREADS=4
client-14vm1
client-14vm2.lab.whamcloud.com
+ /usr/bin/metabench -w /mnt/lustre/d0.metabench -c 10000 -C -S -k
+ chmod 0777 /mnt/lustre
drwxrwxrwx 5 root root 45056 May 26 11:32 /mnt/lustre
+ su mpiuser sh -c "/usr/lib/openmpi/1.4-gcc/bin/mpirun -mca boot ssh -np 8 -machinefile /tmp/parallel-scale-nfs.machines /usr/bin/metabench -w /mnt/lustre/d0.metabench -c 10000 -C -S -k "
Permission denied.

Maloo report: https://maloo.whamcloud.com/test_sets/ee447e40-c63b-11e2-ad5d-52540035b04c

The same issue also occurred while running other MPI programs (IOR) on NFSv4 clients.