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[Qemu-devel] [Bug 1090615] Re: RFE: More info in qemu-img info/check

From: Kevin Wolf
Subject: [Qemu-devel] [Bug 1090615] Re: RFE: More info in qemu-img info/check
Date: Fri, 28 Apr 2017 08:46:49 -0000

qemu-img check has reported allocated clusters, compressed clusters and
fragmentation for qcow2 images since February 2013 (QEMU 1.5).

** Changed in: qemu
       Status: New => Fix Released

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   RFE: More info in qemu-img info/check

Status in QEMU:
  Fix Released

Bug description:
  Originally filed in Fedora bugzilla:

  qemu-img info currently give me info like this:

  image: /home/alex/.local/share/gnome-boxes/images/Fedora 16
  file format: qcow2
  virtual size: 11G (11794287616 bytes)
  disk size: 4.5G
  cluster_size: 65536

  In order to figure out the "health" of an image there is some more
  information I would like:

  in-use disk size - I.e the subset of disk size that is not marked as
  unused due to e.g. TRIM operations

  amount of compressed clusters. I.e. "is it useful to re-compress the

  Fragmentation estimation.

  This would be useful to both sysadmins in general and for automated things 
  what we want to do in gnome-boxes:

  As mentioned in the original report, qemu-img check currently has
  fragmentation stats, but only for QED.

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