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I have the following architecture, it consists in only 2 servers, connected to a NAS.

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I'm having trouble in implementing clustering because I can't have a domain controller in any of them (if I do the sql server complains...). Is there a way to implement clustering with these limitations?

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2 Answers

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Clustering doesn't support using a NAS.

Current versions of SQL Server don't support using a NAS for storage.

SQL doesn't like being installed on a domain controller.

I don't think that clustering is supported on a domain controller any more.

You'll want to look at database mirroring and having a witness doing automatic failover.

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up vote 3 down vote

Consider using mirroring, not clustering?

MSDN difference overview, a summary:

  • mirroring is per database vs per instance
  • mirroring is 2 instances with own files, clustering is one set of files owned by active node
  • clustering has stricter hardware requirements
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I'm also considering it, I was just wondering if this is possible or if I'm missing something. Because this would do the automatic failover without a 3rd machine as a witness – RagnaRock Dec 19 '11 at 11:46
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@RagnaRock: you can use the free SQL Server Express as the witness which may be useful. But it does get around the DC limitation. Or use a 3rd machine for the DC and witness – gbn Dec 19 '11 at 11:52

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