Bug#416160: Should remove logical volumes when physical volumes disappear

[Joachim Breitner]

Package: lvm2
Version: 2.02.06-4
Severity: normal

Hi,

I guess this is an upstream issue or filed against the kernel, or against device mapper,
and a debateables well. Anyways, I trust you to know what to do with it:

When no LVM is used and a physical device (e.g. USB disk) is removed,
then the device disappears and, depending on the mount options it seems,
the file system gets unmounted or re-mounted read-only.

But when there is a layer of LVM between the filesystem and the physical
device, the FS does not seem to notice about this and does not unmount.

I think that if any of the physical devices a logical volume is on
disappears, the lv should disappear as well, to make things consistent.
Maybe the whole volume group should disappear, I’m not sure about that.

Greetings,
Joachim

-- System Information:
Debian Release: 4.0
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18.otto
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)

Versions of packages lvm2 depends on:
ii  debconf [debconf-2.0]       1.5.13       Debian configuration management sy
ii  libc6                       2.3.6.ds1-13 GNU C Library: Shared libraries
ii  libdevmapper1.02            2:1.02.12-1  The Linux Kernel Device Mapper use
ii  libncurses5                 5.5-5        Shared libraries for terminal hand
ii  libreadline5                5.2-2        GNU readline and history libraries
ii  libselinux1                 1.32-3       SELinux shared libraries
ii  libsepol1                   1.14-3       Security Enhanced Linux policy lib
ii  lvm-common                  1.5.20       The Logical Volume Manager for Lin

lvm2 recommends no packages.

-- debconf information:
  lvm2/snapshots: