Date: Fri, 28 Apr 2000 08:23:23 -0400 From: Mike Tancsa <mike@sentex.net> To: Mark Powell <M.S.Powell@salford.ac.uk> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: How good is AMI MegaRAID support? Message-ID: <4.2.2.20000428081704.03735e30@mail.sentex.net> In-Reply-To: <Pine.BSF.4.05.10004281258300.36248-100000@plato.salford.ac .uk> References: <4.2.2.20000428074518.03404fa0@mail.sentex.net>
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At 01:11 PM 4/28/2000 +0100, Mark Powell wrote:
>Yep, 0,1,5,10 and 50 are the only levels we may require. Some sort of
>FBSD management utility would be useful, although unlikely?
Its there for the Mylex... e.g.
newmail# mlxcontrol
Unknown command '(null)'.
Valid commands are:
status displays device status
rescan scan for new system drives
detach detach system drives
check consistency-check a system drive
rebuild initiate a rebuild of a dead physical drive
config examine and update controller configuration
help give help on usage
newmail#
See the man page for mlxcontrol. The config from scratch isnt there yet,
but the rebuild/status/check is etc is...
newmail# mlxcontrol check mlxd0
newmail# mlxcontrol status mlxd0
mlxd0: online [consistency check: 8223936/8273920, 0% complete]
newmail# mlxcontrol status mlxd0
mlxd0: online [consistency check: 3345472/8273920, 59% complete]
newmail#
> > You might want to pick up a Mylex and a AMI off of E-Bay cheap and test
> > them out for your self.
>
>I already have an old DAC960 which I may test. However, I'd like others
>opinions. I'm sure more testing than I could ever hope to do has already
>been done.
www.dejanews.com/usenet. Choose power search, use *freebsd* for the form,
and try mylex or megaraid for the keywords... Search through and see what
people have said.
> > I have been using 4.x for our internal Squid proxy
> > with great results. I didnt have problems with the AMI card, except
> that I
> > could artificially wedge it under high load. There have been new patches
> > to the driver, so its possible the problem has been fixed, but I havent
> had
> > time to test that.
>
>Does anyone on the list know if this has been fixed?
This was discussed recently. IIRC, one said yes, one said no.
> > For us the plan is to replace our main production
> > servers with 4.x as soon as we have the time to do it with Mylex cards
> > where appropriate.
>
>Are you moving to the Mylex cards just because of the above problem, or
>something else?
Partly the above problems (we have a need to move ahead now), but mostly
because we havent been able to crash the driver with whatever artificial
load we threw at it.
---Mike
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