Re: Storage basics for Oracle DBA

> >>
> >>On the subject of storage it is time to call something a myth: That you
> >>should not use RAID 5 for applications that perform heavy writes.
> >>
> >>That statement may well be true for most storage arrays but I am now
> >>aware of one on which RAID 5 writes faster than RAID 1+0.
> >>
> >>So the answer, from now on, is "it depends on your hardware vendor."
> >>--
> >>Daniel A. Morgan
> >>University of Washington
> >>damorgan_at_x.washington.edu
> >>(replace 'x' with 'u' to respond)
> >>
> >
> >
> > I concur, and I'm glad (and kinda relieved) to hear *you* say it. Our
System
> > Architects demonstrated this on one of our large systems.
> > We have to keep an eye on technology advances.
> >
> > Shabble.
>
> Thanks. Please send me, off-line if you choose, information on your
> storage system. I am trying to compile a list.
>
> For those interested ... the system I tested is Apple's new XServe RAID.
> It has two XOR engines, rather than the usual one, so that even pulling
> a drive and forcing a rebuild causes almost no performance degredation.

Unfortunately I do not have access to that project any more. I do recall it was an implementation of a Hitachi SAN which was tested. If I find out more I will copy you.

Shabble. Received on Tue Mar 29 2005 - 03:25:52 CST