Re: [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's descrip

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Re: [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's descrip

From:	Paolo Bonzini
Subject:	Re: [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's description
Date:	Fri, 24 Apr 2015 12:03:44 +0200
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0


On 24/04/2015 11:53, Wen Congyang wrote:
>> > Only before starting up a new secondary.  Basically you do a migration
>> > with non-shared storage, and then start the secondary in colo mode.
>> > 
>> > But it's only for the failover case.  Quorum (or a new block/colo.c
>> > driver or filter) is fine for normal colo operation.
> Is nbd+colo needed to connect the NBD server later?

Elsewhere in the thread I proposed a new flag BDRV_O_NO_CONNECT and a
new BlockDriver function pointer bdrv_connect.

Paolo

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Re: [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's description, (continued)
- [Qemu-block] [PATCH COLO v3 05/14] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 03/14] NBD client: connect to nbd server later, Wen Congyang, 2015/04/03
- [Qemu-block] [PATCH COLO v3 07/14] allow writing to the backing file, Wen Congyang, 2015/04/03

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