Andy Smith wrote: > > Checked that the disks are using DMA transfers (use 'hdparm')? > > /dev/sda: > HDIO_GET_MULTCOUNT failed: Inappropriate ioctl for device Oh, SATA; right. You need a patch to make hdparm play well with SATA drives. Ehrm, but I think that all SATAs run in DMA mode anyway, so never mind. Sorry for the noise. (Btw, what's with the "putting me in the Mail-Followup-To field" thingy?) - 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