Before Test


# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
/dev /dev tmpfs rw 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/proc/bus/usb /proc/bus/usb usbfs rw 0 0
devpts /dev/pts devpts rw 0 0
/dev/md7 /app1 ext3 rw,nodev,data=ordered 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev,data=ordered 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md4 /home ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md5 /opt ext3 rw,data=ordered 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md3 /usr ext3 rw,data=ordered 0 0
/dev/md6 /var ext3 rw,nosuid,nodev,data=ordered 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac1p1 /ocfs_1 ocfs2 rw 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw 0 0


# cat /etc/mtab
/dev/md1 / ext3 rw 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw,gid=5,mode=620 0 0
/dev/md7 /app1 ext3 rw,nodev 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev 0 0
/dev/md4 /home ext3 rw,nosuid,nodev 0 0
/dev/md5 /opt ext3 rw 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev 0 0
/dev/md3 /usr ext3 rw 0 0
/dev/md6 /var ext3 rw,nosuid,nodev 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac1p1 /ocfs_1 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0


After cable removed


#  cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
/dev /dev tmpfs rw 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/proc/bus/usb /proc/bus/usb usbfs rw 0 0
devpts /dev/pts devpts rw 0 0
/dev/md7 /app1 ext3 rw,nodev,data=ordered 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev,data=ordered 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md4 /home ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md5 /opt ext3 rw,data=ordered 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md3 /usr ext3 rw,data=ordered 0 0
/dev/md6 /var ext3 rw,nosuid,nodev,data=ordered 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac1p1 /ocfs_1 ocfs2 rw 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw 0 0



# cat /etc/mtab
/dev/md1 / ext3 rw 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw,gid=5,mode=620 0 0
/dev/md7 /app1 ext3 rw,nodev 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev 0 0
/dev/md4 /home ext3 rw,nosuid,nodev 0 0
/dev/md5 /opt ext3 rw 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev 0 0
/dev/md3 /usr ext3 rw 0 0
/dev/md6 /var ext3 rw,nosuid,nodev 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac1p1 /ocfs_1 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0




After cable replaced and daemon start 


# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
/dev /dev tmpfs rw 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/proc/bus/usb /proc/bus/usb usbfs rw 0 0
devpts /dev/pts devpts rw 0 0
/dev/md7 /app1 ext3 rw,nodev,data=ordered 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev,data=ordered 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md4 /home ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md5 /opt ext3 rw,data=ordered 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md3 /usr ext3 rw,data=ordered 0 0
/dev/md6 /var ext3 rw,nosuid,nodev,data=ordered 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac1p1 /ocfs_1 ocfs2 rw 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw 0 0



# cat /etc/mtab
/dev/md1 / ext3 rw 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw,gid=5,mode=620 0 0
/dev/md7 /app1 ext3 rw,nodev 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev 0 0
/dev/md4 /home ext3 rw,nosuid,nodev 0 0
/dev/md5 /opt ext3 rw 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev 0 0
/dev/md3 /usr ext3 rw 0 0
/dev/md6 /var ext3 rw,nosuid,nodev 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac1p1 /ocfs_1 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0



After umount


#umount /ocfs_1

# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
/dev /dev tmpfs rw 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/proc/bus/usb /proc/bus/usb usbfs rw 0 0
devpts /dev/pts devpts rw 0 0
/dev/md7 /app1 ext3 rw,nodev,data=ordered 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev,data=ordered 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md4 /home ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md5 /opt ext3 rw,data=ordered 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md3 /usr ext3 rw,data=ordered 0 0
/dev/md6 /var ext3 rw,nosuid,nodev,data=ordered 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw 0 0


# cat /etc/mtab
/dev/md1 / ext3 rw 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw,gid=5,mode=620 0 0
/dev/md7 /app1 ext3 rw,nodev 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev 0 0
/dev/md4 /home ext3 rw,nosuid,nodev 0 0
/dev/md5 /opt ext3 rw 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev 0 0
/dev/md3 /usr ext3 rw 0 0
/dev/md6 /var ext3 rw,nosuid,nodev 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0
/dev/mapper/ocfsrac2p1 /ocfs_2 ocfs2 rw,_netdev,datavolume,nointr,heartbeat=local 0 0




# umount /ocfs_2

# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
/dev /dev tmpfs rw 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
/proc/bus/usb /proc/bus/usb usbfs rw 0 0
devpts /dev/pts devpts rw 0 0
/dev/md7 /app1 ext3 rw,nodev,data=ordered 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev,data=ordered 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md4 /home ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md5 /opt ext3 rw,data=ordered 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev,data=ordered 0 0
/dev/md3 /usr ext3 rw,data=ordered 0 0
/dev/md6 /var ext3 rw,nosuid,nodev,data=ordered 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0



# cat /etc/mtab
/dev/md1 / ext3 rw 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
devpts /dev/pts devpts rw,gid=5,mode=620 0 0
/dev/md7 /app1 ext3 rw,nodev 0 0
/dev/md0 /boot ext3 rw,nosuid,nodev 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda9 /diskdump ext3 rw,nosuid,nodev 0 0
/dev/sdb9 /diskdump2 ext3 rw,nosuid,nodev 0 0
/dev/md4 /home ext3 rw,nosuid,nodev 0 0
/dev/md5 /opt ext3 rw 0 0
/dev/md9 /tmp ext3 rw,nosuid,nodev 0 0
/dev/md8 /u01 ext3 rw,nosuid,nodev 0 0
/dev/md3 /usr ext3 rw 0 0
/dev/md6 /var ext3 rw,nosuid,nodev 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
oracleasmfs /dev/oracleasm oracleasmfs rw 0 0
configfs /sys/kernel/config configfs rw 0 0
ocfs2_dlmfs /dlm ocfs2_dlmfs rw 0 0


Processes remaining after umount



# ps -ef |grep ocfs
root     15681    23  0 Jul22 ?        00:00:00 [ocfs2_wq]
root     15683    23  0 Jul22 ?        00:00:00 [ocfs2vote-0]
root     15688    23  0 Jul22 ?        00:00:00 [ocfs2cmt-0]
root     16092    23  0 Jul22 ?        00:00:00 [ocfs2vote-1]
root     16097    23  0 Jul22 ?        00:00:00 [ocfs2cmt-1]
root     24479 16721  0 14:17 pts/0    00:00:00 grep ocfs


FSTAB entries



# cat /etc/fstab

/dev/mapper/ocfsrac1p1            /ocfs_1                 ocfs2   _netdev,datavolume,nointr       0 0
/dev/mapper/ocfsrac2p1            /ocfs_2                 ocfs2   _netdev,datavolume,nointr       0 0