Re: [Qemu-devel] TRIM, UNMAP and QCOW2 release of block information - Thin provisioning

2012-08-15 Thread Kevin Wolf
Am 13.08.2012 10:31, schrieb Stefan Hajnoczi: > On Sun, Aug 12, 2012 at 8:00 PM, Gerhard Wiesinger > wrote: >> As far as I saw QEMU/KVM supports the trim command on IDE/SATA devices and >> the UNMAP command on SCSI devices/disks (thanks Paolo Bonzini). Will the >> qcow2 format (or other formats)

Re: [Qemu-devel] TRIM, UNMAP and QCOW2 release of block information - Thin provisioning

2012-08-13 Thread Stefan Hajnoczi
On Sun, Aug 12, 2012 at 8:00 PM, Gerhard Wiesinger wrote: > As far as I saw QEMU/KVM supports the trim command on IDE/SATA devices and > the UNMAP command on SCSI devices/disks (thanks Paolo Bonzini). Will the > qcow2 format (or other formats) use this information and also release the > blocks for

[Qemu-devel] TRIM, UNMAP and QCOW2 release of block information - Thin provisioning

2012-08-12 Thread Gerhard Wiesinger
Hello, As far as I saw QEMU/KVM supports the trim command on IDE/SATA devices and the UNMAP command on SCSI devices/disks (thanks Paolo Bonzini). Will the qcow2 format (or other formats) use this information and also release the blocks for thin provisioning to save disk space on filesystems?