Unfortunately the 1820A is the one I have and its major unstable under
high transaction RAID5 ( rsyncing a LARGE amount of small files ). I've
contacted highpoint but after an initial promising email that they have
forwarded the problem to engineering they are now refusing to respond
to email. Been that way for nearly a month now so time to send it back
and move to another manufacture.
Steve / K
----- Original Message -----
From: "Tulio Guimarães da Silva" <[EMAIL PROTECTED]>
To: <freebsd-performance@freebsd.org>
Sent: 19 October 2005 14:29
Subject: Re: SATA: RAID 5 controller recommendations
For price/benefit, I too recommend the HPTs, specially the 1820A. It´s
not THE killer for speed, but it´s fairly stable, factory-supported on
FBSD, has good management utils (including remote, via daemon) and is
about half the price of its competitors. Besides, the "A" model has its
own XOR processor, what apparently frees some CPU usage (I can´t really
tell, since we use them on quite good machines and haven´t seen good
benchmarks comparing 1820 to 1820A).
In addition, it´s low-profile, fitting even 1U rack servers, and
provides its own brackets for low- and high-profile... *but* it has no
integrated memory, and no I2C options, if it´s an issue. It´s the only
downside with them, in my opinion.
In the other hand, I would take a look at the Areca´s, it´s not the
first time I hear good comments on these. They´re double the HPTs price,
but come with onboard ECC SDRAM and I2C features. Sounds good to me. ;)
Good luck. :)
Túlio G. da Silva
Peter Losher wrote:
On Tuesday 18 October 2005 03:36 pm, Steven Hartland wrote:
Anyone got any SATA RAID 5 controllers they can recommend
64Bit PCIX.
I personally would reccommend the HighPoint RocketRAID series (we use the
1820A here on a dual Opteron system running 5.4/amd64) We are using the
HP-provided hpa.ko amd64 kernel module, but thanks to HighPoint and Scott
Long, -CURRENT, 6.0 and 5-STABLE now have the amd64 driver integrated
into /usr/src tree . (a previous i386 version of the driver has been there
since 5.3)
Best Wishes - Peter
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