On Mon, 2009-05-25 at 17:32 +0200, Janek Kozicki wrote: > Hi, > > I've bought the cheap Adaptec 2405 SAS controller for the sole > purpose of using 15k rpm HDDs. It turns out that to expose the HDDs > to the system I must first launch the computer from enclosed CD and > create some logical volumes. Those logical volumes can mix HDDs in > various raid configurations (1,0,10,5) and expose a single > device, eg. /dev/sda from multiple HDDs. > > This is the first time when I see the "logical volumes" option > mandatory. I was planning to access the HDDs directly and create > software raid on them with mdadm. This datasheet says JBOD is available (Just a Bunch of Disks - exposing the raw disks to the OS) http://adaptec.com/en-US/products/Controllers/Hardware/sas/entry/SAS-2405/_details/Series2_datasheet.htm?nc=/en-US/products/Controllers/Hardware/sas/entry/SAS-2405/_details/Series2_datasheet.htm main page http://adaptec.com/en-US/products/Controllers/Hardware/sas/entry/SAS-2405/ -- 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