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Groups > linux.debian.user > #205541

Re: Can't scan new disk

From Mark Allums <mark@allums.email>
Newsgroups linux.debian.user
Subject Re: Can't scan new disk
Date 2019-02-20 10:50 +0100
Message-ID <xtwFP-88J-3@gated-at.bofh.it> (permalink)
References (1 earlier) <xs3Pz-6Do-7@gated-at.bofh.it> <xseL0-4VC-3@gated-at.bofh.it> <xsJlL-4CL-5@gated-at.bofh.it> <xttoB-6nJ-5@gated-at.bofh.it> <xtwmt-82O-9@gated-at.bofh.it>
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On 2/20/19 3:20 AM, Alexander V. Makartsev wrote:
> On 20.02.2019 11:16, Mark Allums wrote:
>> On 2/17/19 10:59 PM, Alexander V. Makartsev wrote:
>>> On 17.02.2019 1:21, Mark Allums wrote:
>>>> On 2/16/19 2:41 AM, Curt wrote:
>>>>> On 2019-02-15, Mark Allums <mark@allums.email> wrote:
>>>>>> I just bought a new backup disk, and I want to check it. It's 
>>>>>> mounted in
>>>>>> a USB dock.
>>>>>>
>>>>>> Running the following gives an error:
>>>>>>
>>>>>> root@martha:~# umount /dev/sdb1
>>>>>> root@martha:~# e2fsck -c -c -C 0 -f -F -k -p /dev/sdb1
>>>>>> /dev/sdb1 is in use.
>>>>>> e2fsck: Cannot continue, aborting.
>>>>>>
>>>>>> What's causing this and how do I fix it?  It's not MATE; I tried
>>>>>> rebooting to rescue mode, but that didn't help.
>>>>>>
>>>>>> Mark
>>>>>
>>>>> People sometimes recommend 'fuser' in cases like these in order to
>>>>> identify processes that might be accessing the drive.
>>>>>
>>>>> I mean, the message says '/dev/sdb1 is in use.' Perhaps it is indeed.
>>>>>
>>>>>   fuser -v -m /dev/sdb1
>>>>>
>>>>> Worth a try, maybe, as no one else seems to have suggested it.
>>>>
>>>> root@martha:~# fuser -v -m /dev/sdb1
>>>> root@martha:~#
>>>>
>>>> No results.  Thanks.
>>>>
>>>> Mark
>>>>
>>> Maybe something simple like "lsof" command can shed some light on 
>>> this problem?
>>>      $ sudo lsof /dev/sdb
>>>      $ sudo lsof /dev/sdb1
>>
>> root@martha:~# lsof /dev/sdb
>> lsof: WARNING: can't stat() fuse.gvfsd-fuse file system 
>> /run/user/1001/gvfs
>>       Output information may be incomplete.
>> root@martha:~# lsof /dev/sdb1
>> lsof: WARNING: can't stat() fuse.gvfsd-fuse file system 
>> /run/user/1001/gvfs
>>       Output information may be incomplete.
>> root@martha:~#
>>
> There you have it. "lsof" command should not output anything if examined 
> object is not in use.
> I assume that "/dev/sdb1" gets auto-mounted by gvfsd [1] for user with 
> UID 1001.
> AFAIK GIO and company implements different mounting scheme without 
> involving traditional kernel mounting and allow to restrict mounted 
> devices only for user who mounted them.
> So even root user can't access them if they are mounted by other user.
> Try to use gio [2] utility to check status and unmount "/dev/sdb1" device.
> 
> [1] man gvfsd
> [2] man gio


The disk is not mounted.

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Thread

Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-16 00:30 +0100
  Re: Can't scan new disk deb <deb@rangingthoughts.org> - 2019-02-16 01:10 +0100
    Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-16 02:50 +0100
  Re: Can't scan new disk songbird <songbird@anthive.com> - 2019-02-16 01:30 +0100
    Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-16 02:50 +0100
  Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-16 04:20 +0100
    Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-16 21:40 +0100
      Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-16 23:20 +0100
        Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-18 04:20 +0100
          Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-19 00:40 +0100
        Re: Can't scan new disk Celejar <celejar@gmail.com> - 2019-02-19 19:00 +0100
          Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-20 03:50 +0100
            Re: Can't scan new disk Celejar <celejar@gmail.com> - 2019-02-20 04:30 +0100
              Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-20 06:30 +0100
                Re: Can't scan new disk Celejar <celejar@gmail.com> - 2019-02-20 14:20 +0100
  Re: Can't scan new disk Curt <curty@free.fr> - 2019-02-16 09:50 +0100
    Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-16 21:30 +0100
      Re: Can't scan new disk "Alexander V. Makartsev" <avbetev@gmail.com> - 2019-02-18 06:10 +0100
        Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-20 07:20 +0100
          Re: Can't scan new disk Curt <curty@free.fr> - 2019-02-20 10:30 +0100
            Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-20 10:30 +0100
              Re: Can't scan new disk Curt <curty@free.fr> - 2019-02-20 11:30 +0100
          Re: Can't scan new disk "Alexander V. Makartsev" <avbetev@gmail.com> - 2019-02-20 10:30 +0100
            Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-20 10:50 +0100
              Re: Can't scan new disk "Thomas Schmitt" <scdbackup@gmx.net> - 2019-02-20 11:30 +0100
            Re: Can't scan new disk Curt <curty@free.fr> - 2019-02-20 13:20 +0100
            Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-24 15:50 +0100
              Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-24 21:30 +0100
                Re: Can't scan new disk David Wright <deblis@lionunicorn.co.uk> - 2019-02-24 23:10 +0100
                Re: Can't scan new disk David Christensen <dpchrist@holgerdanske.com> - 2019-02-25 01:10 +0100
                Re: Can't scan new disk Linux-Fan <Ma_Sys.ma@web.de> - 2019-02-25 12:40 +0100
                Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-25 15:20 +0100
                Re: Can't scan new disk Curt <curty@free.fr> - 2019-02-25 15:50 +0100
                Re: Can't scan new disk Mark Allums <mark@allums.email> - 2019-02-25 16:00 +0100
                Re: Can't scan new disk David Wright <deblis@lionunicorn.co.uk> - 2019-02-25 16:30 +0100
                Re: Can't scan new disk <tomas@tuxteam.de> - 2019-02-26 09:30 +0100
              Re: Can't scan new disk David Wright <deblis@lionunicorn.co.uk> - 2019-02-24 23:10 +0100
              Re: Can't scan new disk "Alexander V. Makartsev" <avbetev@gmail.com> - 2019-02-25 20:20 +0100
          Re: Can't scan new disk Jude DaShiell <jdashiel@panix.com> - 2019-02-20 18:40 +0100

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