what is going on with "/dev/dm"

Gene Czarcinski gene at czarc.net
Fri Sep 25 20:15:32 UTC 2009

Oops ... do we have a new "feature"?  I do not like this one.

Whereas, the results of "df" was something of the form:

I am now getting on my f12 alpha/rawhide sytem:

Doing a little search of the mailing list archives, I find the entry dated 
around 2 July:

 e2fsprogs-1.41.4-12.fc11 (FEDORA-2009-7278)
 Utilities for managing ext2, ext3, and ext4 filesystems

* Wed Jun 24 2009 Eric Sandeen <sandeen at redhat.com> 1.41.4-12
- blkid: use /dev/mapper/<name> vs /dev/dm-<N> (#497259)
* Thu Jun 18 2009 Eric Sandeen <sandeen at redhat.com> 1.41.4-11
- Update journal backup blocks in sb after resize (#505339)
- Fix memory leak in extent handling functions

  [ 1 ] Bug #505339 - error still found with fsck after resizing during live 
image creation
  [ 2 ] Bug #507461 - blkid returns dm-* for UUIDs instead of /dev/mapper name
  [ 3 ] Bug #497259 - F10-F11: /dev/dm-N devices cause loss of all rescue 

Is this new "feature" something we are going to have to live with??


More information about the test mailing list