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Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replicat
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From: |
Dr. David Alan Gilbert |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description |
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Date: |
Thu, 14 May 2015 16:38:43 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
* Wen Congyang (address@hidden) wrote:
> At 2015/5/14 19:19, Dr. David Alan Gilbert Wrote:
> >One thing I wanted to check I understand; how much RAM do the active and
> >hidden
> >disks use; lets say during the 1st checkpoint 10MB of disk is written,
> >and during hte 2nd checkpoint a different 10MB of the disk is written
> >(to different locations on the disk); how big are the active and hidden
> >disks in RAM - are they 10MB or 20MB?
>
> 10MB, we will make active and hidden disks empty when doing checkpoint.
Thanks, that's what I was hoping.
Dave
>
> Thanks
> Wen Congyang
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- [Qemu-block] [PATCH COLO v4 02/15] allow writing to the backing file, (continued)
- [Qemu-block] [PATCH COLO v4 02/15] allow writing to the backing file, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 03/15] Allow creating backup jobs when opening BDS, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 05/15] Backup: clear all bitmap when doing block checkpoint, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 06/15] Don't allow a disk use backing reference target, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 04/15] block: Parse "backing_reference" option to reference existing BDS, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 01/15] docs: block replication's description, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 10/15] NBD client: connect to nbd server later, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 09/15] Introduce a new -drive option to control whether to connect to remote target, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 11/15] Add new block driver interfaces to control block replication, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 08/15] NBD client: implement block driver interfaces to connect/disconnect NBD server, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 13/15] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/05/08