Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 18 Jun 2003 11:57:39 -0700
From:      Doug Clements <dclements@linkline.com>
To:        "Jin Guojun [DSD]" <j_guojun@lbl.gov>
Cc:        agent dero <dero@bluhayz.org>
Subject:   Re: freebsd-performance Digest, Vol 4, Issue 7
Message-ID:  <20030618185739.GE2215@linkline.com>
In-Reply-To: <3EF0B507.2B1B6FDF@lbl.gov>
References:  <20030614190033.7F0DE37B407@hub.freebsd.org> <20030615091254.M85497@bluhayz.org> <3EF0B507.2B1B6FDF@lbl.gov>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Jun 18, 2003 at 11:52:55AM -0700, Jin Guojun [DSD] wrote:
> Recently, we tested software RAID via CCD and VINUM, and compared
> them to adaptec 2xxx RAID controller. The performance is the same.
> The CPU are Xeon 2.8 GHz, SuperMicro MB with ServerWork Chipset.
> Seagate 3147xxxxLC drives.
> 
> Problem is the write is slow for all of them, especially when multiple writes.
> 
> Heard from Adaptect that their 5400 RAID has best performance, but
> never had one for testing.
> 
> So, soft RAID is ok to save bucks for hardware.

How was CPU usage during the tests?

--Doug



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030618185739.GE2215>