Doug Clark
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Powervault 210S Controller Cards

I have a PV 210S that i intend to use on a windows cluster server.

The unit has two SCSI management cards but they are different. One is a Eclosure Service Expander Module whilst the other is a SCSI Management Module.

Question is, do both card have to be the same or will it cluster with the two cards that I have?
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Re: Powervault 210S Controller Cards

The SCSI Management Module (SMM) does not support clustering.  SEMM does.  The difference is that the SEMM contains an expander chip that is essentially a bus repeater, but isolates the busses from the two servers, properly terminating them. 
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