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VirtIO-SCSI-Ceph UNMAP #374

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VirtIO-SCSI-Ceph UNMAP #374

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mchtech
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@mchtech mchtech commented Apr 23, 2018 •
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Allow to recycle unused space of Ceph Virtual Disk to Ceph RBD.

  1. Enable VirtIOSCSI on (root)Volume 【CreateSystemTag 'capability::virtio-scsi' with type 'VolumeVO' on rootVolumeUuid】
  2. Enable Discard support on guest OS 【set 'issue_discards = 1' in /etc/lvm.conf on Linux; do nothing on Windows】
  3. Run command on guest OS 【fstrim -av or fstrim -v SOMEMOUNTPOINT on Linux, defrag.exe /L C: on Windows】

@MatheMatrix
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Thanks for your patch! Patch for virtio-scsi is also welcome.

Your patch is testing on our CI system, it will merge if CI passed.

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@mchtech @MatheMatrix