[HLUG] Multiple disk setup

[Andrew Hodgson]

Andy Smith wrote: 

>Hi Benji,

>On Fri, Apr 18, 2008 at 11:18:23AM +0100, Benji Weber wrote:
>> LVM can concatenate discs though, which is probably what is wanted.

>This is almost as bad as RAID-0: while you don't lose everything
>when a disk dies, you do still lose up to half the data.  Also since
>the data will be (usually -- there are striping options for LVM)
>linearly organised across the devices, there is none of the
>performance benefit that RAID-0 or RAID-1 would provide.

Thanks - that was what I thought.

>I would recommend a RAID-1 of at least two devices, then LVM on top
>of that for flexibility.

My question is - why?  Is it that the op has only 2 40GB drives, or is there a real reason why you want /home split over the two disks (i.e, are they doing intensive work that requires speed benefits of two drives)?  I got a 250GB IDE drive the other week for just over £15 from PC World in Hereford, which was dirt cheap in my opinion.

Thanks.
Andrew.

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