Re: Performance RAID setup...

From: Gernot Hueber (hueber_at_riic.at)
Date: 09/01/04

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    Date: Wed, 1 Sep 2004 14:04:41 +0200
To: Mitch bitblock <mitch@bitblock.com>

    On 2004.09.01 10:38, Mitch bitblock wrote:
    > >
    > > I had problems with storcon on FreeBSD 5.2.x using SRCU32 and
    > SRC42L,
    > > but it works again now under 5.3-BETA, so I guess this was a
    > unwanted
    > > ABI change or similar now corrected.
    > >
    > > The iir driver is nice and verbose and tells you what is going on
    > if
    > > something happens (using dmesg / var/log/messages)
    > >
    >
    > With the new 800Mhz FSB Xeon's around the corner (well released, I
    > just
    > can't get one yet) I'm hoping I can take advantage of the faster
    > hardware...
    > I wrote an email to the people mentioned in the iir man page asking
    > for
    > clarity on the supported hardware etc, and didn't get a response...
    > The fact
    > that you are seeing change is a good thing... SOMEONE is doing
    > something to
    > the code - does anyone know who?
    >
    > If I get the new gear, I could set up remote console access so that
    > the
    > appropriate person could work on it... that level of C is well beyond
    > me,
    > but I figure providing access to the gear would help - does anyone
    > know who
    > to communicate with?
    >
    > The new boards SE7520JR2 don't support / aren't certified /
    > recommended with
    > some of the older storage controllers... I could use it with an
    > adaptec -
    > but that seems like a crime when there such neat offerings from Intel
    > with
    > such impressive specs.
    >
    > The new board supports "HOSTRAID" - not sure what that is, but
    > neither
    > is
    > anyone at intel support ;-)
    >
    > I've seen references to adaptec, but the controllers on board are LSI
    > Logic - not adaptec.
    >
    > The compatibility matrix:
    > http://www.intel.com/design/servers/buildingblocks/boardsmatrix.htm
    >
    > Seems to indicate SRCS16, SCRZCRX, and SRCU42X are compatible
    > options...
    >
    > SRCS16 is a SATA raid controller....
    > SRCU42X seems like it's over the top for my needs... the most
    > expensive
    > one...
    >
    > SRCZCRX seems most appropriate for me. My goal - after discussion and
    > feedback from the list is to run RAID mirror sets of 10K scsi
    > drives... so
    > hardware xor speed isn't important - it's quite a basic setup.
    >
    > If I use the old generation boards, the SCRZCR will be appropriate -
    > but it
    > doesn't work - except on the beta? So the hope of seeing the SCRZCR
    > work is
    > slim eh?
    For me only storcon does not work, on F5.2 the overall system is
    running really fine! As well it does on a not so uptodate 4.x system
    (where storcon works, too - with an older SRCMRU).

    Gernot

    >
    > So - how do I get to the people who can tell me if it's supported? Or
    > so I
    > can get them the resources to debug?
    >
    > Or should I just stick to a ADAPTEC 2120S or a LSI 3201064KIT
    > MEGARAID
    > U320-1?
    >
    > Thanks again!
    >
    > m/
    >
    >
    >
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