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From: | Vijay Bellur |
Subject: | Re: [Gluster-devel] Failover and split-brain |
Date: | Mon, 24 Feb 2014 22:58:24 +0530 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
On 02/24/2014 08:32 AM, 邓尧 wrote:
Hi, all I'm new to gluster, and still trying to figure out whether it's suitable for my project. Gluster has built-in failover support, which is very great, but after reading the user manual, I found that the split-brain problem, one of the most difficult problems of HA design, wasn't mentioned at all. Does gluster have such problem during failover ? If does, how to avoid data corruption ?
Yes, split-brains are possible. Quorum configuration can be performed to avoid chances of split-brain. Details on client quorum can be found at [1], [2] and server quorum can be found at [3].
-Vijay[1] http://gluster.org/community/documentation/index.php/Gluster_3.2:_Setting_Volume_Options
[2] http://hekafs.org/index.php/2012/11/different-forms-of-quorum/[3] http://www.gluster.org/community/documentation/index.php/Features/Server-quorum
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