I also have another P410 controller that is sitting in a box. if yes, should i replace it with a 12 drives backplane? (it should physically fit, with no access to the 2 upper right slots.) is the 8 drives backplane limiting the speed? I know for a fact that the 12 drives backplane should handle 3gbps SATA2 drives (there is a firmware upgrade specifically stating this support for this backplane, like here). ![]() Technically, it is using a 8 drives backplane, connected to the p410 with 2 SAS cables. I have ruled out an issue with the controller drivers, as this is exactly the same with the offline Array Configuration Utility. Same thing with Seagate Constellation ES SATA2 drives, always 1.5gbps link. I tried a Samsung 840 PRO 256gb, no luck, 1.5gbps link. I am aware this controller does not support SATA3, but it should support SATA2 with no issues, and 6gbps SAS drives (i have no yet tried SAS drives, i can try on a couple of 146gb i have somewhere.). It is running nicely (and loudly, it is a DL180 after all), except for one issue I have and which puzzles me, the controller refuses to synchronize hard drives and SSDs with anything but SATA1 speed (1.5gbps). It came without drives (8 empty slots) and with a P410 controller, with 256mb of battery backed cache. I bought a HP Proliant DL180 g6 a few months ago (after seeing an article here about some great deals! ^^).
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