[LU-3142] recovery-mds-scale test_failover_mds: dd: writing `/mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com/dd-file': Bad file descriptor

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: LB
• Environment: Lustre Branch: master; Lustre Build: http://build.whamcloud.com/job/lustre-master/1381/; Distro/Arch: RHEL6.3/x86_64; Test Group: failover; FAILURE_MODE=HARD
• Severity: 3
• Assignee: Hongchao Zhang
• Reporter: Jian Yu

Description

While running recovery-mds-scale test_failover_mds, dd operation failed on one of the client nodes as follows:

2013-04-08 22:25:26: dd run starting
+ mkdir -p /mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com
+ /usr/bin/lfs setstripe -c -1 /mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com
+ cd /mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com
++ /usr/bin/lfs df /mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com
+ FREE_SPACE=12963076
+ BLKS=2916692
+ echo 'Free disk space is 12963076, 4k blocks to dd is 2916692'
+ load_pid=8739
+ wait 8739
+ dd bs=4k count=2916692 status=noxfer if=/dev/zero of=/mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com/dd-file
dd: writing `/mnt/lustre/d0.dd-client-32vm5.lab.whamcloud.com/dd-file': Bad file descriptor
295176+0 records in
295175+0 records out
+ '[' 1 -eq 0 ']'
++ date '+%F %H:%M:%S'
+ echoerr '2013-04-08 22:27:28: dd failed'
+ echo '2013-04-08 22:27:28: dd failed'
2013-04-08 22:27:28: dd failed

Maloo report: https://maloo.whamcloud.com/test_sets/68bce4aa-a1bb-11e2-bdac-52540035b04c