2013/5/3 Liu Yuan <namei.unix at gmail.com> > I can't reproduce the problem. > Stange. I can reproduce it. I stopped the cluster and checked that lsof /mnt/sdb2 was giving no output. Then I restarted the cluster using md and repeated the procedure root at test007:~# collie cluster shutdown root at test007:~# lsof /mnt/sdb2/ root at test007:~# sheep /mnt/sheepdog/,/mnt/sheepdog/obj,/mnt/sdb2 root at test007:~# lsof /mnt/sdb2/ COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sheep 3238 root 21u REG 8,18 4198968 4129246 /mnt/sdb2/80257c8a00000000 root at test007:~# ps aux | grep sheepdog root 3238 0.1 2.1 130372 42264 ? Sl 16:58 0:00 sheep /mnt/sheepdog/ /mnt/sheepdog/obj,/mnt/sdb2 root 3239 0.0 0.0 83408 472 ? Ss 16:58 0:00 sheep /mnt/sheepdog/ /mnt/sheepdog/obj,/mnt/sdb2 root 3258 0.0 0.0 7848 840 pts/1 S+ 17:00 0:00 grep sheepdog root at test007:~# collie node md unplug /mnt/sdb2/ root at test007:~# lsof /mnt/sdb2 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sheep 3238 root 21u REG 8,18 4198968 4129246 /mnt/sdb2/80257c8a00000000 root at test007:~# umount /mnt/sdb2 umount: /mnt/sdb2: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) root at test007:~# collie node md info Id Size Use Path 0 193 GB 6.9 GB /mnt/sheepdog/obj Also on the other node that has a second disk root at test004:~# lsof /mnt/sdb1/ COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sheep 3510 root 18u REG 8,17 4198968 173 /mnt/sdb1/80a34c6700000000 root at test004:~# collie node md unplug /mnt/sdb1 root at test004:~# lsof /mnt/sdb1 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sheep 3510 root 18u REG 8,17 4198968 173 /mnt/sdb1/80a34c6700000000 root at test004:~# umount /mnt/sdb1 umount: /mnt/sdb1: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.wpkg.org/pipermail/sheepdog-users/attachments/20130503/8117746a/attachment-0001.html> |