Hi,

We have a machine with FC6 installed which has hardware HostRaid (Adaptec
ASC-29320 U320).
And the machine has two SCSI disks connected to the HostRaid adapter and it
is configured for RAID-0 (Striping).

Each conneted disk is of 73 GB. When I issue fdisk -l it shows both sda and
sdb as 73 GB each

Now my question is how do I access the disk as RAID? What device name should
I use to access the RAID. I checked the dmesg output but could not figureout
the device name.

lspci shows this.
    03:01.0 RAID bus controller: Adaptec ASC-29320 U320 w/HostRAID (rev 03)
    03:01.1 SCSI storage controller: Adaptec ASC-29320 U320 (rev 03)

I also tried disabling Host RAID on the bios and created linux partitions on
the sda and sdb and tried creating ext3 filesystem. But the system gives
error as follows

# mkfs.ext3 /dev/sdb1
mke2fs 1.39 (29-May-2006)
/dev/sdb1 is apparently in use by the system; will not make a filesystem
here!

Please help me what procedure I should follow to configure the hardware raid
in fc6 and what device I should use or how do I use the disks without RAID.

Thanks
-logu



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