Re: Performance with one Sun T3 disk array

Any comment Sybrand?

Sun may like RAID 5 but Oracle doesn't tend to write nice things about it.

Daniel A. Morgan

"«ó¤S°¾¤SÄF" wrote:

> Base on SUN document, the T3 RAID 5 performance better than RAID 1+0.
>
> In article <wwg*VFVRo_at_news.chiark.greenend.org.uk>, Andrew says...
> >
> > <u577606201_at_spawnkill.ip-mobilphone.net> wrote:
> >>> It's the same until you lose a drive and need to resilver. If you mirror
> >>> then stripe the disk-pairs (RAID 1+0), then you only need to resilver
> >>> a single drive. If you stripe then mirror (RAID 0+1), then you need to
> >>> resilver the whole stripe.
> >>
> >>Sounds to me like (hardware) mirror first, stripe second would be the preferred
> >>method in general. Is this correct?
> >
> >IMO, and if your system allows it, yes it is preferable. It can be more
> >complex to set up though.
> >
> >--
> >Andrew Mobbs - http://www.chiark.greenend.org.uk/~andrewm/
Received on Sat Mar 24 2001 - 19:47:26 CST