[mythtv-users] 3Ware RAID 5 backend

Erik Mouw mouw at nl.linux.org
Mon Jan 8 11:02:30 UTC 2007


On Sun, Jan 07, 2007 at 07:10:01PM -0800, Ben Dash wrote:
> --- Robin Hill <myth at robinhill.me.uk> wrote:
> > On Sun Jan 07, 2007 at 02:15:21PM -0800, Ben Dash
> > wrote:
> > > I'm thinking about getting a 3Ware Escalade 7506-4
> > and
> > > doing RAID 5 with 4 750GB drives.  I've read a
> > couple
> > > of reviews and the write speed doesn't seem very
> > fast
> > > compared to the Adaptec 2400A.
> > > 
> > Seems rather an odd choice - you'd be better going
> > with SATA-II drives
> > and either a 3ware 9550 or software RAID. Personally
> > I'd go with sofware
> > RAID - I don't think the hardware controllers are
> > anyway near being
> > decent value for money (even on the second hand
> > market).
> 
> I like the idea of being able to hot swap, which I
> think rules out software RAID 5?

Modern kernels support SATA hot plug, so you can use software RAID.
See:

  http://linux-ata.org/software-status.html#hotplug


Erik

-- 
They're all fools. Don't worry. Darwin may be slow, but he'll
eventually get them. -- Matthew Lammers in alt.sysadmin.recovery


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