Do you have 2 x Storage Controllers installed? This is most likely the case. You are probably seeing 2 of each LUNs because there are 2 paths to each LUN. You need to install the Operating System MPIO drivers to mask out the 2nd path.
The MPIO drivers can be found on support.intel.com and then search for the compute module MFS5000SI and look under drivers.
I do Richard, thanks for that. as I say, first IMS, so these kind of issues are new to me.
Thanks very much for that quick reply!
Thanks - but the "Special instructions" pdf for 2008 server is wrong - it is set up for BIOS 2.7, but we are on 3.x now and the set up is a little different.
Any chance of those Special Instructions being updated?
The setup instrcutions are the same for 3.0 as they are for 2.7.
Are you running SBS 2008 or just 2008? If the former, there is a required workaround to install the MPIO driver.