At 02:08 PM 3/20/2007, Dave Cramer wrote:
On 20-Mar-07, at 1:53 PM, Benjamin Arai wrote:
This is a little biased but I would stay away from areca only
because they have fans on the card. At some point down the line
that card is going to die. When it does there is really no telling
what it will do to your data.
Ummm ?what? fan? The Intel IOP341 (AKA 81341) based ARC-12xx cards
are what people are most likely going to want to buy at this point,
and they are fanless:
http://www.areca.us/support/photo_gallery.htm
The "lore" is that
+3ware is best at random IO and Areca is best at streaming IO. OLTP
=> 3ware. OLAP => Areca.
- stay away from Adaptec or Promise for any mission critical role.
= LSI is a mixed bag.
Well, they are also the only one of the bunch that I am aware of
that will sell you 1G of cache.
Actually, it's up to 2GB of BB cache... 2GB DDR2 SDRAMs are cheap
and easy to get now. I've actually been agitating for Areca to
support 4GB of RAM.
Plus if you use battery backup sooner or later you have to replace
the batteries. I use areca all the time and I've never had a fan
die, but I admit it is a point of failure.
I've had the whole card die (massive cooling failure in NOC led to
...), but never any component on the card. OTOH, I'm conservative
about how much heat per unit area I'm willing to allow to occur in or
near my DB servers.
Cheers,
Ron
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