[CentOS] Dell's SAS 5IR and CentOS

Peter Kjellström cap at nsc.liu.se
Tue Oct 3 07:37:19 UTC 2006

On Tuesday 03 October 2006 03:39, Francois Caen wrote:
> Hello,
> Has anyone here installed CentOS on a Dell Poweredge with a SAS 5IR
> controller? Does it work? With what driver? Is this real hardware

I have a 2950 with (what from linux) is called a PERC 5/i with SAS drives. I 
worked fine even with 4.3 :-) (no tweaking, no fiddeling)

The driver is called megaraid_sas, and yes it is true hardware raid.

Here's the details of what I have:
 [root at tbox3 ~]# lspci  -s 02:0e
 02:0e.0 RAID bus controller: Dell PowerEdge Expandable RAID controller 5
 [root at tbox3 ~]# lspci -vn -s 02:0e
 02:0e.0 Class 0104: 1028:0015
        Subsystem: 1028:1f03
        Flags: bus master, stepping, 66Mhz, medium devsel, latency 32, IRQ 201
        Memory at d88f0000 (32-bit, prefetchable) [size=64K]
        Memory at fcce0000 (32-bit, non-prefetchable) [size=128K]
        Expansion ROM at fcd00000 [disabled] [size=32K]
        Capabilities: [c0] Power Management version 2
        Capabilities: [d0] Message Signalled Interrupts: 64bit+ Queue=0/1 
        Capabilities: [e0] PCI-X non-bridge device.

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