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Subject: Re: [gentoo-user] Why isn't this SDcard mounting?
From: Stroller <stroller@stellar.eclipse.co.uk>
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Date: Tue, 29 Aug 2017 16:33:08 +0100
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> On 29 Aug 2017, at 15:53, Ian Zimmerman <itz@very.loosely.org> wrote:
>=20
> I don't have a quick solution, but I would look at the state of /dev
> (not only /dev/sdb* but also the various /dev/disk/by-* directories)
> both before and after running parted.  parted is my prime suspect for
> messing things up here.

Indeed.

No sdb1 is mentioned, despite it apparently being recognised by the =
kernel when plugged in (from the last line of the `grep  kernel =
/var/log/messages` output in my previous post).

  $ ls -l /dev/disk/* | grep sdb
  lrwxrwxrwx 1 root root  9 Aug 29 14:51 =
usb-Generic-_Card_Reader_20060413092100000-0:0 -> ../../sdb
  lrwxrwxrwx 1 root root  9 Aug 29 14:51 =
pci-0000:00:12.2-usb-0:1:1.0-scsi-0:0:0:0 -> ../../sdb
  $=20

The same command, grepping sda, shows much longer output, with symlinks =
to all the partitions=20

Is it udev that's responsible for populating the dev nodes?
(is that the right terminology?)

How do I force it to reconstruct the partition table? Surely one should =
expect to be able to format or partition a removable drive and have the =
dev nodes created without the necessity of rebooting?

> Also, is this the normal mount program from util-linux package, or =
some
> "modern" replacement?

It's the normal one:

  $ equery belongs `which mount`
   * Searching for /bin/mount ...
  sys-apps/util-linux-2.28.2 (/bin/mount)
  $=20

Stroller.