Re: [Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format

2010-09-27 Thread Stefan Hajnoczi
On Mon, Sep 27, 2010 at 11:13 AM, Avi Kivity wrote: >  On 09/23/2010 05:41 PM, Stefan Hajnoczi wrote: >> >> QEMU Enhanced Disk format is a disk image format that forgoes features >> found in qcow2 in favor of better levels of performance and data >> integrity.  Due to its simpler on-disk layout, i

Re: [Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format

2010-09-27 Thread Avi Kivity
On 09/23/2010 05:41 PM, Stefan Hajnoczi wrote: QEMU Enhanced Disk format is a disk image format that forgoes features found in qcow2 in favor of better levels of performance and data integrity. Due to its simpler on-disk layout, it is possible to safely perform metadata updates more efficiently

Re: [Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format

2010-09-27 Thread Avi Kivity
On 09/23/2010 05:41 PM, Stefan Hajnoczi wrote: Later patches will address the following points: * Fine-grained L2 cache to allow for better request parallelism. Allocating write requests are currently serialized. This will also fix the corner case where a read request to the same sec

[Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format

2010-09-23 Thread Stefan Hajnoczi
QEMU Enhanced Disk format is a disk image format that forgoes features found in qcow2 in favor of better levels of performance and data integrity. Due to its simpler on-disk layout, it is possible to safely perform metadata updates more efficiently. Installations, suspend-to-disk, and other alloc