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#1 2016-11-21 14:07:00
- olive
- Member
- From: Belgium
- Registered: 2008-06-22
- Posts: 1,490
Force unmount of dead cifs share.
I face a problem with cifs shares. If the remote server does not respond (for example because I have powered off the remote Windows machine), any access to the share hangs and the umount command hang too. I have not found a solution to force unmounting the share. There is well a "-f" option to the umount command but it is documented to work for nfs, it does not seem to have an effect on cifs. Even the "lazy unmount" option ("-l") does not seem to work.
The problem is so weird that even if I try to reboot or power off te machine, it hangs. The only "solution" I have found is to do an unclean hard reset of the system...
Last edited by olive (2016-11-21 14:08:40)
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#2 2016-11-26 10:51:58
- NoSuck
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- Registered: 2015-03-04
- Posts: 157
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Re: Force unmount of dead cifs share.
There is well a "-f" option to the umount command but it is documented to work for nfs, it does not seem to have an effect on cifs.
That sounds funny. I frequently used -f to unmount CIFS in precisely the manner you describe. I supplied username, password, gid, and uid options when mounting. I no longer have access to the CIFS, so I cannot test.
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