On 19 April 2011 14:21, David Brown <david@xxxxxxxxxxxxxxx> wrote: > I have recently got an IBM x3650 M3 server, which has a "Serveraid M5014" > raid controller. ÂBooting from a Linux CD (system rescue CD) and running > lspci identifies this raid controller as: > > LSI Logic/Symbus Logic Megaraid SAS 2108 [Liberator] (rev 03) > > The controller works fine for hardware raid - I can open its bios setup > utility, and set up a RAID5 (or whatever) with the disks I have. ÂThe OS > then just sees a single virtual disk. > > But I would like direct access to the sata drives - I want to set up mdadm > raid, under my own control. ÂAs far as I can see, there is no way to put > this controller into "JBOD" or "direct access" mode of any sort. > > Does anyone here have experience with this card, or can give me any hints? > > The only idea I have at the moment is to put each disk within its own > single-disk RAID 0 set, but then I don't get sata hot-swap functionality, > SMART, hddtemp, etc. > > Thanks for any clues or hints, > > David > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at Âhttp://vger.kernel.org/majordomo-info.html > Regarding SMART, could you try (after loading the appropriate megaraid/megasas module) hdparm -a -d megaraid,$I /dev/sda , where $I is a number between 0 and 31 IIRC (depending on the HDD in the array). Regards, M -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html