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snIP3r
l33t
Joined: 21 May 2004
Posts: 853
Location: germany
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 Posted: Fri Mar 07, 2008 2:53 pm Post subject: another "cannot unmount - resource or device busy" |
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hi all!
i am trying to unmount my dm-crypt encrypted partition with no success - this does not happen before. i got the following messages and also lsof nor fuser do find any process accessing the partition:
| Code: |
area52 ~ # umount -f /various
umount2: Device or resource busy
umount: /various: device is busy
umount2: Device or resource busy
umount: /various: device is busy
area52 ~ # lsof /various
area52 ~ # fuser /various -v
area52 ~ #
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i also stopped samba to get the partition unmounted but no success. according to this post https://forums.gentoo.org/viewtopic-t-528830.html rebooting seems to be the only solution. does anyone perhaps know other solutions not mentioned in this thread? also googling or searching here gives me no solutions.
any suggestions??
thx & greets
snIP3r
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avx
Advocate
Joined: 21 Jun 2004
Posts: 2152
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| Posted: Fri Mar 07, 2008 3:02 pm Post subject: |
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| You don't have anymore windows/shells open, which refer to this directory and you have issued a `sync`? |
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snIP3r
l33t
Joined: 21 May 2004
Posts: 853
Location: germany
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| Posted: Fri Mar 07, 2008 4:50 pm Post subject: |
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| ph030 wrote: | | You don't have anymore windows/shells open, which refer to this directory and you have issued a `sync`? |
hi!
yes, no windows or shells refer to this directory. but what exactly do you mean by "sync"?? a filesystem sync?
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jomen
Guru
Joined: 04 Jan 2006
Posts: 536
Location: Leipzig, Germany
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| Posted: Fri Mar 07, 2008 8:28 pm Post subject: |
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although it looks like you are doing this from whithin your /home/* directory...
This kind of thing also happens when you are still in a directory which is within the partition to be unmounted.
will reveal this.
"sync" writes the filesystems buffers to disc
HTH
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snIP3r
l33t
Joined: 21 May 2004
Posts: 853
Location: germany
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| Posted: Fri Mar 07, 2008 8:38 pm Post subject: |
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| jomen wrote: | although it looks like you are doing this from whithin your /home/* directory...
This kind of thing also happens when you are still in a directory which is within the partition to be unmounted.
will reveal this.
"sync" writes the filesystems buffers to disc
HTH |
yes i am logged in as root and i am in ~
even after "sync" i got this message. also after sync and then forcing unmount it is not working...
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