[Gluster-users] question about brain split or network partition

[Joe Julian]

You can set quorum for volumes and/or servers, trading consistency for availability if that's more appropriate for your use case.

On February 14, 2014 11:26:26 PM PST, "Wangshen (Peter)" <peter.w at huawei.com> wrote:
>Hi, All
>I'm working on distributed storage system analysis, including
>glusterfs.
>With some information on internet and done some test, I found that when
>brain split or network partition occurs, both side of the system can
>accept new write requests. It seems gluster can not guarantee
>consistency in this situation.
>According to CAP theorem(http://en.wikipedia.org/wiki/CAP_theorem), it
>seems gluster is an AP system.
>
>I can't find any value information about my question, so could you
>explain these below, or give me some valuable link.
>1. Is gluster an AP system? Whether there have some way in gluster to
>guarantee data consistency when the two situation occurs?
>2. How does gluster handle brain split and network partition?
>3. Does gluster treat brain split and network partition as the same
>situation?
>
>
>Thanks!
>
>Peter
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