Re: RAID v Mirror disks

just to add a couple thoughts here...

1. do NOT stripe everything indiscriminately
2. RAID 0+1 is not the same as RAID 1+0

"Hakan Eren" <heren_at_home.com> wrote in message news:38B58C9C.9795E845_at_home.com...
> Hi
>
> Mirroring means RAID-1, right? Anyway let's aggree on the
 definitions
> first:
>
> RAID-1 is either disk mirroring or disk duplexing.
> Good in large transactions, good i/o, excellent data
 availability,
> moderate storage capacity
> RAID-0 Striping
> Exellent in large transactions, very good i/o, poor data
 availability,
> excellent storage capacity
> RAID-5 striping with parity
> Very good in large transactions, good i/o, very good data
> availability, very good storage capacity
>
>
> My experience:
> I would go for read-only apps/data and no-update with RAID 5
> I would go for the rest with RAID 0+1
>
> The life is always more complicated than we whought
> so ideal solution would be balanced RAID 5 + RAID 0+1.
>
> I should add if you are tight timewise go with RAID0+1.
> It laways work. Also I recommend hw-controlled RAID
> not sw-controlled.
>
> Good Luck
>
> Hakan
>
> Jack wrote:
> >
> > What is the 'best' disk subsystem to use on an NT box,
 considering advances
> > in disk technology?
> >
> > RAID
> > Mirror
> > Single disks
> >
> > Thanks
> > Jack
>
Received on Thu Feb 24 2000 - 00:00:00 CST