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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH COLO v3 01/14] docs: block replication's description |
Date: | Fri, 24 Apr 2015 11:36:35 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 24/04/2015 11:38, Wen Congyang wrote: >> > >> > That can be done with drive-mirror. But I think it's too early for that. > Do you mean use drive-mirror instead of quorum? 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. Paolo
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