Re: [LAU] AVLinux question

On Friday 02 October 2009 22:18:55 Joe Hartley wrote:
> On Fri, 2 Oct 2009 22:07:40 +0200
> Arnold Krille <arnold@email-addr-hidden> wrote:
> > On Friday 02 October 2009 21:29:41 Giorgio wrote:
> > > Did anybody tried to install AVLinux with raid 5?Thank you
> > I don't want to start a flame-war but all raids starting with f are
> > considered bad: http://www.baarf.com/
> You beat me to this, Arnold. The only thing I'd use RAID 5 for is an
> array of disks where performance really doesn't matter to me, like a
> disk-based backup server. I'd never use RAID 5 on a system where
> performance mattered at all to me, like my studio machine!

Especially on backup systems raid5 is very bad! The chances of a second disk
dying during recovery are much higher then with raid1(0) because all disks
have to be read to reconstruct the missing one. And as you probably don't have
all raid5 disks from different vendors/productions, the risk rises even more.
When you have two series of disks (each of the same branch/production) make
raid1 with one disk of each vendor and combine them with raid0 or lvm...

Arnold

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