[ale] Compaq raid disk. How do I format?

[James P. Kinney III]

Get the SMART2 driver from HP/Compaq. They have it for download
(somewhere). That will let the Linux system "see" a single drive if
that's how the RAID adapter is configured. You will need to set up the
drives in the boot-up SMART2 tool. It's one the F2, F4, F10, F12, <alt>-
<something> access methods. Watch the screen.

The best thing would be a straight Linux software raid with the
controller just adding the hardware interface. That make the drives
portable.

On Mon, 2004-10-11 at 15:54 -0400, Jim Lynch wrote:
> I've have an old compaq that a Windows tech added some disks to but had 
> no idea what to do to make it work on Linux.  From the dmesg listing I 
> found:
> 
> Compaq SMART2 Driver (v 2.4.5)
> Found 1 controller(s)
> cpqarray: Finding drives on ida0 (SMART-2/P)
> cpqarray ida/c0d0: blksz=512 nr_blks=8380320
> cpqarray ida/c0d1: blksz=512 nr_blks=16768800
> cpqarray ida/c0d2: blksz=512 nr_blks=17764320
> 
> It looks like he added ida/c0d2 since I have the other two drives 
> mentioned in the fstab file.  When I tried to look at one of the 
> existing drives with fdisk I found:
> Disk /dev/ida/c0d1: 1 heads, 16768800 sectors, 1 cylinders
> Units = cylinders of 16768800 * 512 bytes
> 
>          Device Boot    Start       End    Blocks   Id  System
> /dev/ida/c0d1p1   *         1         1   2044064   82  Linux swap
> Partition 1 has different physical/logical beginnings (non-Linux?):
>      phys=(0, 1, 1) logical=(0, 0, 33)
> Partition 1 has different physical/logical endings:
>      phys=(500, 254, 32) logical=(0, 0, 4088160)
> Partition 1 does not end on cylinder boundary:
>      phys=(500, 254, 32) should be (500, 0, 16768800)
> /dev/ida/c0d1p2             1         1    391680   83  Linux
> Partition 2 has different physical/logical beginnings (non-Linux?):
>      phys=(501, 0, 1) logical=(0, 0, 4088161)
> Partition 2 has different physical/logical endings:
>      phys=(596, 254, 32) logical=(0, 0, 4871520)
> Partition 2 does not end on cylinder boundary:
>      phys=(596, 254, 32) should be (596, 0, 16768800)
> /dev/ida/c0d1p3             1         1    261120   83  Linux
> Partition 3 has different physical/logical beginnings (non-Linux?):
>      phys=(597, 0, 1) logical=(0, 0, 4871521)
> Partition 3 has different physical/logical endings:
>      phys=(660, 254, 32) logical=(0, 0, 5393760)
> Partition 3 does not end on cylinder boundary:
>      phys=(660, 254, 32) should be (660, 0, 16768800)
> /dev/ida/c0d1p4             1         1   5687520    f  Win95 Ext'd (LBA)
> Partition 4 has different physical/logical beginnings (non-Linux?):
>      phys=(661, 0, 1) logical=(0, 0, 5393761)
> Partition 4 has different physical/logical endings:
>      phys=(1023, 254, 32) logical=(0, 0, 16768800)
> Partition 4 does not end on cylinder boundary:
>      phys=(1023, 254, 32) should be (1023, 0, 16768800)
> /dev/ida/c0d1p5             1         1   5687504   83  Linux
> 
> Which makes me a bit leary of using fdisk on these drives.  Most of that 
> output doesn't make sense to me.  Can anyone point me in the right 
> direction so I can learn how to format this new drive?  This is a RH 7.2 
> system.  If I understand correctly this is a RAID system.  The new 
> drive  is really 2 9 Gb drives configured as a mirror, so I was told.  
> Is there some other utility I need to use to make sense of the 
> partitioning of the existing drives?
> 
> Thanks,
> Jim.
> 
> 
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