OT: Mirrored or RAID5

[Glenn Steen]

On 02/12/2007, Scott Silva <ssilva at sgvwater.com> wrote:
> on 12/2/2007 4:14 AM UxBoD spake the following:
> > Hi,
> >
> > I am just about to reinstall my home server with Centos5 and not sure the best configuration for the disks.  I have a 3Ware 9550SX Hardware RAID card with four 200GB drives in hot swap bays.  Currently I have two 200GB mirrored RAID sets, one for O/S and the other for data.  I am thinking about recreating the RAID set as one big RAID5 so that I can maximize the data area as only 10% is used in the O/S area.
> >
> > How does this approach sound ?  The server is a dual Opteron 250 with 6GB RAM.  Any help appreciated.
> >
> > Regards,
> >
> If you want to keep the raid 1 and maximize the data set, you can always use
> LVM over the raid arrays. That way you can use the space however you want to.
>
Software Rsomething or plain striping or .... Ok, sure, you can do
that.... In fact, I do so to improve read performance on some DBs...
HW R1s doing SW R1... costly, but really good read
performance:-):-):-)

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se