[mythtv-users] Disk Arrangement and LVM + JFS

[Shawn Haggett]

On Tuesday 07 April 2009 13:17:33 Andrew Burgess wrote:
> On Mon, 2009-04-06 at 23:33 -0400, John Drescher wrote:
> > > If reliability is your thing consider RAID 6.  Rebuild times are pretty
> > > long for RAID 5 when you use large drives, and that's on top of the
> > > time it takes you to source and install a new drive. During that time
> > > you're vulnerable to a second failure.
> >
> > Only problem raid 6 would not make sense with his drives. I mean a 4
> > drive raid 6 is pretty silly. Your better off with raid 10 in that
> > case.
>
> I think the code just went into the kernel to grow a raid 5 into a raid
> 6 so you can switch to 6 after you add a few drives and they get cheap
> enough to 'waste' another one on parity.

The only thing I can see is:
http://lkml.org/lkml/2009/4/2/661

Which I take to mean its gone into the current development version, but you'll 
have to wait for the next kernel release at the earliest to actually see it. 
Plus I assume there'll be some need for userland to be updated as well...

Shawn