[PATCH v2 1/3] docs/block-replication: use blockdev-backup
John Snow
jsnow at redhat.com
Fri May 14 20:23:43 UTC 2021
On 5/5/21 9:58 AM, Vladimir Sementsov-Ogievskiy wrote:
> We are going to deprecate drive-backup, so don't mention it here.
> Moreover, blockdev-backup seems more correct in the context.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov at virtuozzo.com>
Reviewed-by: John Snow <jsnow at redhat.com>
> ---
> docs/block-replication.txt | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/docs/block-replication.txt b/docs/block-replication.txt
> index 108e9166a8..59eb2b33b3 100644
> --- a/docs/block-replication.txt
> +++ b/docs/block-replication.txt
> @@ -79,7 +79,7 @@ Primary | || Secondary disk <--------- hidden-disk 5 <---------
> || | |
> || | |
> || '-------------------------'
> - || drive-backup sync=none 6
> + || blockdev-backup sync=none 6
>
> 1) The disk on the primary is represented by a block device with two
> children, providing replication between a primary disk and the host that
> @@ -101,7 +101,7 @@ should support bdrv_make_empty() and backing file.
> that is modified by the primary VM. It should also start as an empty disk,
> and the driver supports bdrv_make_empty() and backing file.
>
> -6) The drive-backup job (sync=none) is run to allow hidden-disk to buffer
> +6) The blockdev-backup job (sync=none) is run to allow hidden-disk to buffer
> any state that would otherwise be lost by the speculative write-through
> of the NBD server into the secondary disk. So before block replication,
> the primary disk and secondary disk should contain the same data.
>
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