[LU-5606] Interop 2.5.2<->2.6 conf-sanity test_41c: mount MDS failed, Input/output error

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.7.0, Lustre 2.5.4
• Affects Version/s: Lustre 2.7.0
• Environment: server: 2.5.2; client: lustre-master build #2639
• Severity: 3
• Assignee: Bruno Faccini (Inactive)
• Reporter: Maloo

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/74dbb352-3133-11e4-af0f-5254006e85c2.

The sub-test test_41c failed with the following error:

unexpected concurent MDT mounts result, rc=5 rc2=114

== conf-sanity test 41c: concurent mounts of MDT/OST should all fail but one == 12:54:12 (1409428452)
umount lustre on /mnt/lustre.....
CMD: onyx-47vm6.onyx.hpdd.intel.com grep -c /mnt/lustre' ' /proc/mounts
stop ost1 service on onyx-47vm4
CMD: onyx-47vm4 grep -c /mnt/ost1' ' /proc/mounts
CMD: onyx-47vm4 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
stop mds service on onyx-47vm3
CMD: onyx-47vm3 grep -c /mnt/mds1' ' /proc/mounts
CMD: onyx-47vm3 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-47vm6.onyx.hpdd.intel.com lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
modules unloaded.
CMD: onyx-47vm3 lctl set_param fail_loc=0x703
fail_loc=0x703
CMD: onyx-47vm3 mkdir -p /mnt/mds1
CMD: onyx-47vm3 test -b /dev/lvm-Role_MDS/P1
Starting mds1:   /dev/lvm-Role_MDS/P1 /mnt/mds1
CMD: onyx-47vm3 mkdir -p /mnt/mds1; mount -t lustre   		                   /dev/lvm-Role_MDS/P1 /mnt/mds1
CMD: onyx-47vm3 lctl set_param fail_loc=0x0
fail_loc=0x0
CMD: onyx-47vm3 mkdir -p /mnt/mds1
CMD: onyx-47vm3 test -b /dev/lvm-Role_MDS/P1
Starting mds1:   /dev/lvm-Role_MDS/P1 /mnt/mds1
CMD: onyx-47vm3 mkdir -p /mnt/mds1; mount -t lustre   		                   /dev/lvm-Role_MDS/P1 /mnt/mds1
onyx-47vm3: mount.lustre: mount /dev/mapper/lvm--Role_MDS-P1 at /mnt/mds1 failed: Input/output error
onyx-47vm3: Is the MGS running?
Start of /dev/lvm-Role_MDS/P1 on mds1 failed 5
onyx-47vm3: mount.lustre: mount /dev/mapper/lvm--Role_MDS-P1 at /mnt/mds1 failed: Operation already in progress
onyx-47vm3: The target service is already running. (/dev/mapper/lvm--Role_MDS-P1)
Start of /dev/lvm-Role_MDS/P1 on mds1 failed 114
CMD: onyx-47vm3 grep -c /mnt/mds1' ' /proc/mounts
CMD: onyx-47vm3 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
 conf-sanity test_41c: @@@@@@ FAIL: unexpected concurent MDT mounts result, rc=5 rc2=114 

Issue Links

• is related to: LU-5299 osd_start() LBUG when doing parallel mount of the same target