Cent OS and Raid Drives on 4600

[Patrick_Boyd at Dell.com]

Unless you are using software RAID, the hardware RAID controller will
hide the physical drives from the operating system and just expose a
virtual or logical drive which is the RAID volume.

-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Trey Copeland
Sent: Friday, April 20, 2007 10:30 AM
To: linux-poweredge-Lists
Subject: Cent OS and Raid Drives on 4600

Hello. This is my first post to the list.

I have a Dell Poweredge 4600 running Cent OS with 3 raid drives and 4 
power supplies in it. This is my first time to play with a machine like 
this. I managed to setup DNS/web/mail on it as well. It looks like it's 
only recognizing one of the drives though when booted up in linux. When 
the machine is rebooting, it looks as if it finds all three drives 
though. Any suggestions as I'm clueless and not sure what to do?


Here's some info you might find helpful:


[root at pluto home]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                       65G  1.1G   61G   2% /
/dev/sda1              99M   13M   82M  14% /boot
none                  506M     0  506M   0% /dev/shm


[root at pluto home]# fdisk -l

Disk /dev/sda: 4294 MB, 4294967296 bytes
255 heads, 63 sectors/track, 522 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14         522     4088542+  8e  Linux LVM

Disk /dev/sdb: 68.5 GB, 68502552576 bytes
255 heads, 63 sectors/track, 8328 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1        8328    66894628+  8e  Linux LVM

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