OT: Mirrored or RAID5

Glenn Steen glenn.steen at gmail.com
Sun Dec 2 21:40:50 GMT 2007

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

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

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