Date: Mon, 1 Mar 1999 13:38:37 +0300 (MSK) From: bag@sinbin.demos.su (Alex G. Bulushev) To: spork@super-g.com (spork) Cc: freebsd-scsi@freebsd.org Subject: Re: RAID saga Message-ID: <199903011038.NAA11096@sinbin.demos.su> In-Reply-To: <Pine.BSF.4.00.9902261424450.27821-100000@super-g.inch.com> from spork at "Feb 26, 1999 2:43:23 pm"
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> Hi,
>
> We've just about given up on CMD as a SCSI-SCSI controller, so now we're
> looking around to see what else is out there. So far I've heard good
> things about two others:
>
> Mylex DAC960-S(X/U)I (Does anyone see what the differences in these two
> controllers are? The specs seem the same)
> See www.mylex.com - this is intel 960-based
>
> Infortrend ??A Lots of models there, not real detailed info. See
> www.infortrend.com.tw for more info. This one
> is 486 based.
we use several IFT3102 without problems, it can work with fbsd cam as is
or with path to scsi_da.c
127,135d126
< * Infortrend RAID controller doesn't like the
< * synchronize cache command.
< */
< {T_DIRECT, SIP_MEDIA_FIXED, "IFT", "3102", "01*"},
< /*quirks*/ DA_Q_NO_SYNC_CACHE
<
< },
< {
< /*
we dont check new firmware that support growing, firmware in our controllers
is 1-1.5 years old
>
> Anyone have any experience with either of these? I know one of the Mylex
> models is being used for wcarchive, I assume under CAM. It appears each
> of these controllers support growing the array, which is something not
> possible with the CMD. Of course the most important factor is whether any
> quirks show up under FreeBSD (in this case a 2.2.7 SNAP with CAM patches).
>
> Our issue with the CMD is that under load we get timeouts unless I disable
> disconnection in the Adaptec card (2940UW) bios. Checked cabling,
> termination, swapped cables, etc...
>
> <vent>
> CMD has been incredibly lame in dealing with this as well, the ol' "I
> never heard of that OS" line after we buy the product specifically because
> it "works with any OS". At this point they are telling us to go to our
> reseller for support, which is kind of silly as the problem seems beyond
> tech support and more like something that needs some developer attention.
> If anyone else is running the CRD-5440 with two host channels and two
> drive channels, please contact me so we can compare notes. The drive side
> seems OK, the only thing the cmd logs is the reset that the scsi layer
> sends to wack it back into shape...
> </vent>
>
> Thanks,
>
> Charles
>
> ---
> Charles Sprickman
> spork@super-g.com
> ---
> "...there's no idea that's so good you can't
> ruin it with a few well-placed idiots."
>
>
>
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