* [gentoo-user] Re: cryptsetup close and device in use when it is not
@ 2021-06-15 17:48 99% ` Remy Blank
0 siblings, 0 replies; 1+ results
From: Remy Blank @ 2021-06-15 17:48 UTC (permalink / raw
To: gentoo-user
Dale wrote on 15/06/2021 16:21:
> Ramon Fischer wrote:
>> Hello Dale,
>>
>> this also happens to me sometimes and the culprit was an open process
>> still accessing the hard drive. Maybe you can solve it like this:
>>
>> $ lsof /mnt/8tb
>> zsh 8390 root cwd DIR 253,2 4096 27787265 /mnt/8tb
>> $ kill 8390
>> $ lsof /mnt/8tb
>>
>> After that, you should be able to close the drive via "cryptsetup".
>>
>> -Ramon
>>
>
> I've tried lsof before, for both mount point and device, it shows
> nothing open. It's weird.
When this happens here, it's because I accessed the drive over NFS. The NFS server sometimes
keeps mount points active, and they don't show up in the output of lsof probably because the NFS
server is in-kernel, so there are no processes associated with it. Restarting the NFS server
allows unmounting.
-- Remy
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2021-06-14 4:50 [gentoo-user] cryptsetup close and device in use when it is not Dale
2021-06-15 13:48 ` Ramon Fischer
2021-06-15 14:21 ` Dale
2021-06-15 17:48 99% ` [gentoo-user] " Remy Blank
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