On Sat, 2006-09-09 at 10:27 +1000, Paul Dwerryhouse wrote:
> On Fri, Sep 08, 2006 at 10:37:14AM -0500, Owen Heisler wrote:
> > So, is it not possible to have multiple RAID5 partitions, or is this a
> > temporary limitation of debian-installer?  
> 
> I might have misinterpreted your question earlier as "creating multiple
> partitions within a single RAID5 array", which is why I suggested LVM.
> 
> I don't see any reason why it shouldn't be possible to create multiple
> partitions /of/ RAID5, that might look something like this, for example
> (ignoring the grub/lilo boot problem for a moment):
> 
> sda:
>       sda1
>       sda2
>       sda3
> 
> sdb:
>       sdb1
>       sdb2
>       sdb3
> 
> sdc:
>       sdc1
>       sdc2
>       sdc3
> 
> RAID5 (1):    sda1 sdb1 sdc1
> RAID5 (2):    sda2 sdb2 sdc2
> RAID5 (3):    sda3 sdb3 sdc3

Yes, I had considered doing that.  And I'm sorry to keep harping on the
same question, but I thought that RAID5 was capable of having multiple
partitions in one array; is it?

> I've done similar with RAID1 in the past. It seems very messy to me now,
> and I much prefer to just have the one partition and put LVM over the
> whole lot.

Because I have no experience with software RAID, encryption, or LVM, I
am a bit nervous about getting very many "layers" (/ on a logical volume
on an encrypted partition on RAID5 on three+ physical hard drives).
Redundancy doesn't do me any good if I can't figure out how to see my
data via a LiveCD.

> > And crypt?
> 
> Don't know an awful lot about crypt, sorry. But from what I remember, it
> integrates with LVM very well.

Thanks again for your help.  Now I need to throw all this into Qemu and
try it out...


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