Re: Can't scan new disk

[Mark Allums <mark@allums.email>]

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:~#


> Also show us an output of "gdisk" command:
>      $ sudo gdisk -l /dev/sdb

root@martha:~# gdisk -l /dev/sdb
GPT fdisk (gdisk) version 1.0.3

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/sdb: 23437770752 sectors, 10.9 TiB
Model: ST12000NE0007-2G
Sector size (logical/physical): 512/4096 bytes
Disk identifier (GUID): 6AFF425F-836E-4001-840E-FF40A0875F53
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 23437770718
Partitions will be aligned on 2048-sector boundaries
Total free space is 4029 sectors (2.0 MiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048     23437768703   10.9 TiB    8300
root@martha:~#

Mark