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modaslam

217 Posts

1744

September 1st, 2009 04:00

cannot unmount : Device busy

SA informed he is not able to unmount the bcv dev for backup. we have almost 20 bcv int the volume grp. I all the bcv dev are split. 

20090723-11:52:09 Unmounting filesystems
20090723-11:52:10 Start BCV unmounts for diskgroup spo_spogas_01
 
20090723-11:52:11 Unmounting /bcv/oracle/ora
UX:vxfs umount: ERROR: V-3-21705: /bcv/oracle/ora cannot unmount : Device busy
bcvumount_SunOS.ksh: umount failed, rc=1
tsmbcvbkp: Filesystem unmount failed, rc=3
 

xe2sdc

2.8K Posts

September 1st, 2009 04:00

Hulk when you unmount a filesystem you are asking the OS to remove a branch from the filesystem tree. If the branch is still used (someone have a process with a "current working directory" inside the branch) the OS will refuse to unmount the FS (since it's "busy" meaning that someone inside the host is still using the FS).

dynamox

1 Rookie

 • 

20.4K Posts

September 1st, 2009 05:00

are you backing this up with TSM client ? Ask your SA to look with "fuser" ...see if TSM client still has a handle open on that mount point.

modaslam

217 Posts

September 1st, 2009 10:00

yes we are backing up with TSM client. from above post I could understand that the issues is with the back up server, not with the bcv dev.

what is this fuser?

modaslam

217 Posts

September 1st, 2009 10:00

pretty good way of explaning... :)

dynamox

1 Rookie

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20.4K Posts

September 1st, 2009 11:00

modaslam

217 Posts

September 3rd, 2009 09:00

pretty good stuff...

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