RH 7.1 installation on an IBM server with 3 scsi disks

[Andrew Kelly]

On Fri, 2004-03-05 at 18:03, Rick Stevens wrote:

> Again, you can't have RAID5 on a single disk.  As to whether you can
> install Linux on a RAID5 system, sure.  It depends on if it's a hardware
> or software RAID as to how to do the install.

Are you certain about this? 
Of course it's not possible to have a hardware RAID with a single disk,
but a single disk software RAID is completely doable. You just assign 
partitions as container members.

I piddled around with software RAID on RH 9 ages ago, just wanting 
to see how silly I could get. I don't remember all the details, but 
I remember it having suprised me a bit. I'd build a 3 "disk" RAID 5 with
1 failover "disk", and then used the native tools to break it. I was
able to kill things off until only a single "disk" was left. 
I wasn't able to add "disks" and re-build the container once the RAID
had been crippled to a single "disk", but the data was all still accessible
and I was able to sucessfully backup "off site" and recover to a rebuilt
system.

The whole experience was quite positive and caused me to re-think some
criticsms I was developing.

Andy