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[Andrew Garner <715426@xxxxxxxxxxxxxxxxxx>]

** Changed in: holland-backup
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/715426

Title:
  mysql-lvm does not calculate paths relative to / correctly

Status in Holland Backup Framework:
  Fix Released

Bug description:
  If a mysql datadir  is on a LVM enabled / and we attempt to determine
  the datadir relative to its (root) mountpoint, we get a bad relative
  path:

  >>> from holland.lib.lvm.util import relpath
  >>> relpath('/var/lib/mysql', '/')
  '../var/lib/mysql'

  This causes $snapshot_mountpoint/$relpath to be an non-existent
  directory  for instance /tmp/XXXXX/../var/lib/mysql =>
  /tmp/var/lib/mysql/ which is invalid.

  This is actually a python bug with os.path.relpath:

  http://bugs.python.org/issue5117

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