Scripted RAID config

[Peter Eisch]

After sending the email I came up with a hack:

 for file in sda sdb sdc sdd sde sdf sdg
 do
  dd if=/dev/$file of=/dev/null count=1
  if [ $? == '0' ]; then
    hds="$hds $file"
  fi
 done

But I like this much better:

 hds=`awk '{print $4}' < /proc/partitions |grep sd[a-z]$`

I can skip the hardware raid controllers (cciss/ida <--assuming that's a
raid controller) as folks are already doing hardware raid.

Would a scsi cdrom show up under /dev/cd* or might it pose as an sd-device?
(I've never loaded a system with something other than atapi drives it
seems.)

Many thanks,

peter

On 10/7/04 6:01 PM, "Philip Rowlands" <phr at doc.ic.ac.uk> wrote:

> On Thu, 7 Oct 2004, Peter Eisch wrote:
> 
>> In the Customization Guide there's an example for how to sniff out
>> drives on a system, but that's really only pertinent to IDE-interface
>> devices.  Is there a similarly clever way to scan scsi controllers?
> 
> This would work to populate the "hds" variable, but for SCSI drives:
> 
> $ hds=`awk '{print $4}' < /proc/partitions  |grep '^sd.[0-9]'`
> 
> 
> Cheers,
> Phil
> 
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