* Re: [gentoo-user] cryptsetup close and device in use when it is not
@ 2021-06-15 14:52 99% ` Jack
0 siblings, 0 replies; 1+ results
From: Jack @ 2021-06-15 14:52 UTC (permalink / raw
To: gentoo-user
On 6/15/21 10:21 AM, Dale wrote:
> 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
>>
>> On 14/06/2021 06:50, Dale wrote:
>>> root@fireball / # cryptsetup close 8tb
>>> Device 8tb is still in use.
>>> root@fireball / # mount | grep 8tb
>>> root@fireball / #
> I've tried lsof before, for both mount point and device, it shows
> nothing open. It's weird.
>
> When this happened last night, just before I posted, I let the drive sit
> there while I was doing updates. Later on, I tried to close it again
> and it closed just fine. I hadn't done anything except let it sit
> there. While I was glad it closed, I wonder why it did it. Did udev
> finally catch up to the state of the drive? Did some other device
> update and allow it to close?
>
> This is weird. Everything says it is ready to be closed but it thinks
> something is open. I'm not sure what to point too for the problem. Yet
> anyway.
>
> Thanks for the tip. It was worth mentioning.
>
> Dale
Is it possible it was still syncing cache out to the physical drive? I
wonder if iotop would show any activity for that drive if that's the case?
Jack
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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 14:52 99% ` Jack
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