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Re: [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's descrip
From: |
Andrey Korolyov |
Subject: |
Re: [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description |
Date: |
Thu, 21 May 2015 14:43:41 +0300 |
On Thu, May 21, 2015 at 11:35 AM, Wen Congyang <address@hidden> wrote:
> On 05/21/2015 12:31 AM, Andrey Korolyov wrote:
>> On Thu, May 14, 2015 at 6:38 PM, Dr. David Alan Gilbert
>> <address@hidden> wrote:
>>> * 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
>>>
>>
>>
>> Hello Wen, others,
>>
>> are you planning to add raw support for a disk underlying below
>> nbd-server (secondary copy in docs) anytime soon?
>
> What do you want? The primary disk and secondary disk can be any
> format.
>
> Thanks
> Wen Congyang
Oh, sorry, I misread the statement in the readme yesterday, thought
that the second storage must be in qcow2 format. Over yesterday`s late
hours I had picked 'bottom' patches for 3.10 (seqadj introduction and
nfnetlink improvements) and will play with COLO very soon.
- [Qemu-devel] [PATCH COLO v4 05/15] Backup: clear all bitmap when doing block checkpoint, (continued)
[Qemu-devel] [PATCH COLO v4 06/15] Don't allow a disk use backing reference target, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 04/15] block: Parse "backing_reference" option to reference existing BDS, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 10/15] NBD client: connect to nbd server later, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 09/15] Introduce a new -drive option to control whether to connect to remote target, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 08/15] NBD client: implement block driver interfaces to connect/disconnect NBD server, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 12/15] skip nbd_target when starting block replication, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 11/15] Add new block driver interfaces to control block replication, Wen Congyang, 2015/05/08
[Qemu-devel] [PATCH COLO v4 13/15] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/05/08