Re: RAID 5 performance issue.
From: Andrew Clayton <hidden>
Date: 2007-10-04 15:03:16
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