On Tue, May 30, 2017 at 04:53:23PM +0200, Alberto Garcia wrote: > On Mon 29 May 2017 09:03:22 PM CEST, Kashyap Chamarthy wrote: > > > Observe the following ('qmp-shell', for brevity) invocation of the > > four major types (stream, commit, mirror, backup) of live block > > operations: > > > > (QEMU) block-stream device=node-D base=a.qcow2 job-id=job-block-stream > > (QEMU) block-commit device=node-D base=a.qcow2 top=b.qcow2 > > job-id=job-block-commit > > (QEMU) drive-mirror device=node-D target=e.qcow2 sync=full > > job-id=job-drive-mirror > > (QEMU) drive-backup device=node-D sync=full target=e.qcow2 > > job-id=job-drive-backup > > (QEMU) blockdev-backup device=node-B target=node-E sync=full > > job-id=job-blockdev-backup > > (QEMU) blockdev-mirror device=node-D target=node-E sync=full > > job-id=job-blockdev-mirror > > > > While we have `blockdev-{mirror, backup}` as 'node-name'-alternatives > > for `drive-{mirror, backup}`, as the eagle-eyed will, the > > `block-stream` and `block-commit` commands still operate on file names > > for parameters 'base' and 'top'. > > block-stream does accept a node name for the top and base images (see > 554b614765090f47d and 312fe09cc8af86c).
Ah, I didn't realize `block-stream` accepts 'node-name' for 'base' and 'top'. Thanks for the pointers. But still, I wonder, for consistency's sake: will a new `blockdev-{stream, commit}` ever be created. > block-commit hasn't changed, but it should be possible to follow a > similar approach. Noted. [...] -- /kashyap