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Re: ACL

Hi, David,

On 25.08.2006, at 01:14, David Thompson wrote:

Yes, but obviously the issue here is that if an MDC fails, there should be fail over on the volume. The fact that an MDC doesn't fail over to a replica DC is a big issue.

In my setup MDC failover worked, yet, depending on the test scenario it took almost no time (if you follow Apple's recommendations: http://docs.info.apple.com/article.html?artnum=301787) or up to several minutes (with an Xsan volume mounted on the failing MDC).

I guess with Xsan 1.4 Apple enforces its former recommendations – which makes sense for a high availability system like Xsan.
I was just surprised, because I haven't read anything about it...

However I just ran the same test as you on my own MDC (unmount the volume on 1 MDC which had it mounted, then shutdown the server) I then stopped the volume and it stopped properly. I then started the volume and it started and I was able to mount it without issue on my 2nd MDC. I then brought back up the powered down MDC and everything is working as advertised.

Perhaps you have a bum install of Xsan. I know I had issues (as did many other people) with Xsan 1.3

No, all four systems I run with Xsan 1.4 work great. When I run the same test like yours I see no problems.
It only happens when I restart both MDCs.

Have you tried this, too?

Regards,

André

--

André Aulich

Apple Server & Storage Consultant

http://www.aulich-adamski.de


 

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References: 
 >ACL (From: Mark Nassy <email@hidden>)
 >Re: ACL (From: Gustavo Beathyate <email@hidden>)
 >Re: ACL (From: Mark Nassy <email@hidden>)
 >Re: ACL (From: André Aulich <email@hidden>)
 >Re: ACL (From: André Aulich <email@hidden>)



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