I just ran into this issue over the weekend. I extended a 2TB array to 3TB and ESXi 5.1 no longer sees the array. The array is connected to a P400 controller on a DL380 G5.
I purchased a P410 on eBay and two of these cables from monoprice.com:For only $9.30 each when QTY 50+ purchased - 1m 28AWG Internal Mini SAS 36pin (SFF-8087) Male to SAS 32pin (SFF-8484) Fe…
As soon as I get the parts in I'll let you guys know if a swap from a P400 to a P410 saves the day.