yahoo-eng-team team mailing list archive

[Mike Lowe <1461572@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

While the minimum version of qemu that supports discard on qcow2 is 1.6,
it is incorrect to limit discard support to this version as qemu 1.5
supports discard for iscsi and rbd and possibly others.  The release
notes are clear, with qemu 1.5 and better discard support depends on the
qemu driver used.

file:
nova/virt/libvirt/driver.py

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1461572

Title:
  Minimum qemu version for discard support is 1.5

Status in OpenStack Compute (Nova):
  New

Bug description:
  While the minimum version of qemu that supports discard on qcow2 is
  1.6, it is incorrect to limit discard support to this version as qemu
  1.5 supports discard for iscsi and rbd and possibly others.  The
  release notes are clear, with qemu 1.5 and better discard support
  depends on the qemu driver used.

  file:
  nova/virt/libvirt/driver.py

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