Performance RAID setup...

[Gernot Hueber]

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/
> 
> 
>