Xserve G4 RAID Config

[Collin O'Neill]

Guido Neitzer wrote:

> Hi.
>
> I have an Xserve G4 with 4 drive bays.
>
> Is it possible to set the drives in a "software RAID 10" via software  
> RAID (2 striping RAIDs which are mirrored, to get one big drive) and  
> boot YDL from this RAID? Or is it better/possible to boot from a  
> "standard" drive and use the others in a RAID 5?

I found that creating a bootable drive from software RAID was so 
difficult that it is not practical to boot from a software RAID array. 
Perhaps you can mount your boot disk on a single drive and use RAID 5 
for the the additional three drives. You'll still get fast performance 
and similar space out of three disks using RAID 5 that you would with 
four disks at RAID 10.

>
> Background: I'm looking for a fast (!) storage for my database files  
> (PostgreSQL). Read performance is required, write isn't so important.
>
> Thanks!
> cug
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