Re: Re: Re: Re: Performance with one Sun T3 disk array

From: «ó¤S°¾¤SÄF <mcc95_at_hotmail.com>
Date: 24 Mar 2001 14:53:00 -0800
Message-ID: <99j8gc01bh6@drn.newsguy.com>

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 - 16:53:00 CST