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Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's descrip
From: |
Gonglei |
Subject: |
Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description |
Date: |
Wed, 29 Apr 2015 16:37:49 +0800 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 |
On 2015/4/29 16:29, Paolo Bonzini wrote:
>
>
> On 27/04/2015 11:37, Stefan Hajnoczi wrote:
>>>> But it's only for the failover case. Quorum (or a new
>>>> block/colo.c driver or filter) is fine for normal colo
>>>> operation.
>> Perhaps this patch series should mirror the Secondary's disk to a
>> Backup Secondary so that the system can be protected very quickly
>> after failover.
>>
>> I think anyone serious about fault tolerance would deploy a Backup
>> Secondary, otherwise the system cannot survive two failures
>> unless a human administrator is lucky/fast enough to set up a new
>> Secondary.
>
> Let's do one thing at a time. Otherwise nothing of this is going to
> be ever completed...
>
Yes, and the continuous backup feature is on our TODO list. We hope
this series (including basic functions and COLO framework) can be
upstream first.
Regards,
-Gonglei
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, (continued)
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Paolo Bonzini, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Wen Congyang, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Dr. David Alan Gilbert, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Paolo Bonzini, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Wen Congyang, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Paolo Bonzini, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Wen Congyang, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Paolo Bonzini, 2015/04/24
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Stefan Hajnoczi, 2015/04/27
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Paolo Bonzini, 2015/04/29
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description,
Gonglei <=
- Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Stefan Hajnoczi, 2015/04/30
- Re: [Qemu-devel] [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's description, Stefan Hajnoczi, 2015/04/22
- Re: [Qemu-devel] [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's description, Wen Congyang, 2015/04/22
Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description, Dr. David Alan Gilbert, 2015/04/22
[Qemu-devel] [PATCH COLO v3 06/14] NBD client: implement block driver interfaces for block replication, Wen Congyang, 2015/04/03
[Qemu-devel] [PATCH COLO v3 05/14] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/04/03
[Qemu-devel] [PATCH COLO v3 04/14] Add new block driver interfaces to control block replication, Wen Congyang, 2015/04/03
[Qemu-devel] [PATCH COLO v3 07/14] allow writing to the backing file, Wen Congyang, 2015/04/03
[Qemu-devel] [PATCH COLO v3 03/14] NBD client: connect to nbd server later, Wen Congyang, 2015/04/03