On Thu, 4 Oct 2007 10:39:09 -0400 (EDT), Justin Piszcz wrote: > What type (make/model) of the drives? The drives are 250GB Hitachi Deskstar 7K250 series ATA-6 UDMA/100 > True, the controller may not be able to do it either. > > What types of disks/controllers again? The RAID disks are currently connected to a Silicon Image PCI card are configured as a software RAID 5 03:04.0 RAID bus controller: Silicon Image, Inc. SiI 3124 PCI-X Serial ATA Controller (rev 02) Subsystem: Silicon Image, Inc. Unknown device 7124 Flags: bus master, stepping, 66MHz, medium devsel, latency 64, IRQ 16 Memory at feafec00 (64-bit, non-prefetchable) [size=128] Memory at feaf0000 (64-bit, non-prefetchable) [size=32K] I/O ports at bc00 [size=16] Expansion ROM at fea00000 [disabled] [size=512K] Capabilities: [64] Power Management version 2 Capabilities: [40] PCI-X non-bridge device Capabilities: [54] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- The problem originated when the disks where connected to the on board Silicon Image 3114 controller. > Justin. Andrew - 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