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List:       linux-ha-dev
Subject:    Re: [Linux-ha-dev] The design issues of the quorum server
From:       Huang Zhen <zhenhltc () cn ! ibm ! com>
Date:       2006-06-28 1:53:33
Message-ID: 44A1E11D.1030200 () cn ! ibm ! com
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Lars Marowsky-Bree wrote:
> On 2006-06-27T15:46:25, Huang Zhen <zhenhltc@cn.ibm.com> wrote:
> 
> 
>>Here is the design issues of the quorum server. Please review it.
>>
>>http://wiki.linux-ha.org/QuorumServerDesign
> 
> 
> 1) I'd not call that "subcluster" when you mean "site". A subcluster
> means something different in the regular terminology.
The "subcluster" stands for the subcluster instead of site in the design.
Sorry that I haven't clarify it.
A subcluster may include nodes from multi-sites.
> 
> 2) How do you protect against an outage of the quorum server?
I have thought about this too. If there are two HA clusters, A and B,
the quorum server can be services running on both A and B.
A uses the quorum server service running on B as quorum server.
B uses the quorum server service running on A as quorum server.

> 
> 
> 
> 


-- 
Best Regards,
Huang Zhen
Linux-HA, Linux Technology Center, China Systems & Technology Lab
China Development Labs, Beijing Tel: 86-10-82782244 Ext. 2845
Email: zhenhltc@cn.ibm.com
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