[LU-2514] racer: umount: /mnt/lustre2: device is busy Created: 20/Dec/12  Updated: 14/Aug/16  Resolved: 14/Aug/16

Status: Closed
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.1.4
Fix Version/s: None

Type: Bug Priority: Blocker
Reporter: Jian Yu Assignee: WC Triage
Resolution: Won't Fix Votes: 0
Labels: None
Environment:

Lustre Tag: v2_1_4_RC1
Lustre Build: http://build.whamcloud.com/job/lustre-b2_1/159/
Distro/Arch: RHEL5.8/x86_64 + RHEL5.8/i686 (Server + Client)


Severity: 3
Rank (Obsolete): 5925

 Description   

After running racer test, cleaning up the Lustre filesystem failed as follows:

Stopping clients: client-32vm1,client-32vm2.lab.whamcloud.com /mnt/lustre2 (opts:)
CMD: client-32vm1,client-32vm2.lab.whamcloud.com running=\$(grep -c /mnt/lustre2' ' /proc/mounts);
if [ \$running -ne 0 ] ; then
echo Stopping client \$(hostname) /mnt/lustre2 opts:;
lsof -t /mnt/lustre2 || need_kill=no;
if [ x != x -a x\$need_kill != xno ]; then
    pids=\$(lsof -t /mnt/lustre2 | sort -u);
    if [ -n \"\$pids\" ]; then
             kill -9 \$pids;
    fi
fi;
busy=\$(umount  /mnt/lustre2 2>&1 | grep -c busy);
if [ \$busy -ne 0 ] ; then
    echo /mnt/lustre2 is still busy, wait one second && sleep 1;
    umount  /mnt/lustre2;
fi
fi
client-32vm1: umount: /mnt/lustre2: device is busy
client-32vm1: umount: /mnt/lustre2: device is busy
client-32vm2: umount: /mnt/lustre2: device is busy
client-32vm2: umount: /mnt/lustre2: device is busy
Stopping client client-32vm1.lab.whamcloud.com /mnt/lustre2 opts:
7597
16778
/mnt/lustre2 is still busy, wait one second
Stopping client client-32vm2.lab.whamcloud.com /mnt/lustre2 opts:
5040
7387
15521
19276
/mnt/lustre2 is still busy, wait one second

Maloo report: https://maloo.whamcloud.com/test_sets/e240df68-4acf-11e2-b87e-52540035b04c



 Comments   
Comment by Jian Yu [ 25/Feb/13 ]

Lustre b2_1 client build: http://build.whamcloud.com/job/lustre-b2_1/176
Lustre master server build: http://build.whamcloud.com/job/lustre-master/1269
Distro/Arch: RHEL6.3/x86_64

The same issue occurred while running racer test:
https://maloo.whamcloud.com/test_sets/92101ffa-7d78-11e2-85d0-52540035b04c

More instances:
https://maloo.whamcloud.com/test_sets/8112fc94-7d51-11e2-a108-52540035b04c
https://maloo.whamcloud.com/test_sets/0fa82c94-7bff-11e2-897d-52540035b04c

Comment by Sarah Liu [ 13/Mar/13 ]

more instance:
https://maloo.whamcloud.com/test_sets/f5f311d8-8905-11e2-b643-52540035b04c
https://maloo.whamcloud.com/test_sets/f89552e8-8905-11e2-b643-52540035b04c
https://maloo.whamcloud.com/test_sets/f9e59176-8905-11e2-b643-52540035b04c

Comment by Jian Yu [ 13/Mar/13 ]

Lustre b2_1 client build: http://build.whamcloud.com/job/lustre-b2_1/186
Lustre master server build: http://build.whamcloud.com/job/lustre-master/1302
Distro/Arch: RHEL6.3/x86_64

The racer test passed: https://maloo.whamcloud.com/test_sets/82c6ff5e-8b57-11e2-965f-52540035b04c

Comment by Sarah Liu [ 13/May/13 ]

hit this error when testing lustre-master tag-2.3.65 with SLES11 SP2 client:
https://maloo.whamcloud.com/test_sets/eeb85c74-ba7f-11e2-b1a3-52540035b04c

Comment by James A Simmons [ 14/Aug/16 ]

Old blocker for unsupported version

Generated at Sat Feb 10 01:25:51 UTC 2024 using Jira 9.4.14#940014-sha1:734e6822bbf0d45eff9af51f82432957f73aa32c.