[CentOS] A question about RAID and partitions

[James Olin Oden]

On 5/22/07, James Olin Oden <james.oden at gmail.com> wrote:
> On 5/22/07, Miguel Medalha <miguelmedalha at sapo.pt> wrote:
> > I am about to begin the installation of a small server (no more than 20
> > users), using CentOS with Samba to authenticate Windows XP workstations. A
> > question arises about the organization of the filesystem. I hope that more
> > experienced and knowledgeable users here will be able to give me some
> > precious advice.
> >
> > I have 2 120GB SATA disks on which to install the OS. I want to create the
> > following partitions:
> >
> > /boot
> > /
> > /tmp
> > /var
> > /home
> > /swap
> >
> > Two options are now present to me:
> >
> > - Create a single RAID 1 device with both entire disks and then partition on
> > top
> > - Create several RAID devices, one for each partition (md0, md1, md2 and so
> > forth)
> >
> > Which one would be better from the points of view of performance, security
> > and data recoverability?
>
> Create two raid partitions.  One for /boot, and the other to be used
> as the physical volume of a volume group, and then use lvm to carve
> out your remaining partitions.
>

Oh, yeah, I would suggest raid 1 unless your data is not that
important or real solid backups are in play, and you need performance
more than data integrity.

Cheers...james