Am 30.05.2013 um 14:34 hat Stefan Hajnoczi geschrieben: > @drive-backup > > Start a point-in-time copy of a block device to a new destination. The > status of ongoing drive-backup operations can be checked with > query-block-jobs where the BlockJobInfo.type field has the value 'backup'. > The operation can be stopped before it has completed using the > block-job-cancel command. > > @device: the name of the device which should be copied. > > @target: the target of the new image. If the file exists, or if it > is a device, the existing file/device will be used as the new > destination. If it does not exist, a new file will be created. > > @format: #optional the format of the new destination, default is to > probe if @mode is 'existing', else the format of the source > > @mode: #optional whether and how QEMU should create a new image, default is > 'absolute-paths'. > > @speed: #optional the maximum speed, in bytes per second > > @on-source-error: #optional the action to take on an error on the source, > default 'report'. 'stop' and 'enospc' can only be used > if the block device supports io-status (see BlockInfo). > > @on-target-error: #optional the action to take on an error on the target, > default 'report' (no limitations, since this applies to > a different block device than @device). > > Note that @on-source-error and @on-target-error only affect background I/O. > If an error occurs during a guest write request, the device's rerror/werror > actions will be used. > > Returns: nothing on success > If @device is not a valid block device, DeviceNotFound > > Since 1.6 > > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
Reviewed-by: Kevin Wolf <kw...@redhat.com> But what about HMP, the series doesn't seem to have a separate patch to add a command there?
