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I was trying to put gentoo on a dell poweredge 1950 quadcore xeon
machine with three disks connected to a lsi PERC 5/i raid controller.
In the BIOS settings, all three disks were added to the controller for
a RAID5 set up. When I boot from LiveCD (2008 version with 2.6.24-r5
kernel) with dmraid='-ay' option, it came up not recognizing the RAID
set, as I only saw "control" under /dev/mapper. modprobe megaraid was
okay, so was modprobe raid5. Under /dev, I only saw sda, but there was
no sdb, sdc. So it looked like there was only one disk but the system
did not recognize it as a raid set. Booting from LiveCD with
dmraid='-ay' doscsi didn't help. I got the same result. If I did a
dmraid -ay in bash, I got "No RAID disks". Could anyone
point me to some instructions on how to make Gentoo recognize the PERC
5/i RAID controller?<br>
<br>
I tried both 32bit and 64bit gentoo and results were the same.<br>
<br>
lspci showed:<br>
02:0e.0 RAID bus controller: Dell PowerEdge Expandable RAID controller 5<br>
<br>
dmesg showed:<br>
megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)<br>
megaraid: 2.20.5.1 (Release Date: Thu Nov 16 15:32:35 EST 2006)<br>
megasas: 00.00.03.10-rc5 Thu May 17 10:09:32 PDT 2007<br>
megasas: 0x1028:0x0015:0x1028:0x1f03: bus 2:slot 14:func 0<br>
ACPI: PCI Interrupt 0000:02:0e.0[A] -> GSI 78 (level, low) -> IRQ 17<br>
megasas: FW now in Ready state<br>
scsi4 : LSI Logic SAS based MegaRAID driver<br>
scsi 4:0:0:0: Direct-Access SEAGATE ST973402SS S206 PQ: 0 ANSI: 5<br>
scsi 4:0:1:0: Direct-Access SEAGATE ST973402SS S206 PQ: 0 ANSI: 5<br>
scsi 4:0:2:0: Direct-Access SEAGATE ST973402SS S206 PQ: 0 ANSI: 5<br>
QLogic Fibre Channel HBA Driver<br>
scsi 4:0:8:0: Enclosure DP BACKPLANE 1.05 PQ: 0 ANSI: 5<br>
scsi 4:2:0:0: Direct-Access DELL PERC 5/i 1.03 PQ: 0 ANSI: 5<br>
scsi 4:0:8:0: Attached scsi generic sg1 type 13<br>
sd 4:2:0:0: [sda] 284164096 512-byte hardware sectors (145492 MB)<br>
sd 4:2:0:0: [sda] Write Protect is off<br>
sd 4:2:0:0: [sda] Mode Sense: 1f 00 10 08<br>
sd 4:2:0:0: [sda] Write cache: disabled, read cache: disabled, supports DPO and FUA<br>
sd 4:2:0:0: [sda] 284164096 512-byte hardware sectors (145492 MB)<br>
sd 4:2:0:0: [sda] Write Protect is off<br>
sd 4:2:0:0: [sda] Mode Sense: 1f 00 10 08<br>
<br>
Thanks very much for your help!<br clear="all"><font color="#888888"><br></font><br clear="all"><br>-- <br>-hoki<br>
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