Date: Mon, 11 Dec 2000 17:30:01 -0800 From: Mike Smith <msmith@freebsd.org> To: peter <peter@nic.cc> Cc: freebsd-hardware@freebsd.org Subject: Re: RAID 5 Message-ID: <200012120130.eBC1U1301289@mass.osd.bsdi.com> In-Reply-To: Your message of "Mon, 11 Dec 2000 16:58:52 PST." <4.3.2.7.0.20001211163808.00acea40@ns2.globaldns.com>
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> Thanks for the info, although I wish I could send you a box, I don't have
> anywhere near the kind of auth to do that... ;)
*sigh* That's OK. 8)
> We've played with vinum for a few months with no problems, is it reliable
> enough to take the abuse we are about to engage in?
>
> Would CCD be a better bet?
No, and no.
> Are there options I am not aware of. Basically there are five of these
> guys as Database servers behind ten PowerApp web100 boxes, which in turn
> are behind a Load-balancing smart switch (CISCO content switch)...we know
> our main bottleneck is drive access so we wanted some sort of RAID or
> striping.
Depends on how many disks you're planning to use. As I suggested, the
Dell PERC 2/DC is probably a good alternative. I'm sorry we're not up to
snuff with the onboard RAID yet; it's been a long haul. 8(
Regards,
Mike
> p.
>
> At 03:57 PM 12/11/00 -0800, you wrote:
> > >
> > > Our company just purchased some Dell 2400s with on-mobo RAID 5
> > > support....having a hell of a time with them. I am installing 4.2-Release
> > > from CD. Does this version of FreeBSD support the Dell controller?
> >
> >No, FreeBSD 4.2 doesn't support this controller. There is experimental
> >support in 5.0, but we are having major issues with what we believe to be
> >firmware bugs. Unfortunately, the reference hardware that we have access
> >to doesn't exhibit these problems, and nobody has been able to supply us
> >with a Dell box to work on.
> >
> > > It looks like its made by Adaptec, a 7880 shows up at the beginning with
> > > my SCSI CDROM on it, but the RAID controller tells me its the 'Dell
> > > PowerEdge Expandable RAID Controller 2/si'....
> >
> >If FreeBSD is detecting the SCSI controller, something's not right.
> >Either you don't have the RAID key installed, or you haven't set the
> >array up properly. Either way, that won't help you yet.
> >
> > > Any ideas? Or do I just vinum the box?
> >
> >Well, a) you could send one of the boxes to scottl@freebsd.org for a
> >month or so so that we can whack this bug for good and get support
> >committed, or b) you could get some PERC 2/DC's from Dell. Meaning no
> >offense to Greg, but I wouldn't be recommending Vinum for production use
> >just yet.
> >
> >--
> >... every activity meets with opposition, everyone who acts has his
> >rivals and unfortunately opponents also. But not because people want
> >to be opponents, rather because the tasks and relationships force
> >people to take different points of view. [Dr. Fritz Todt]
> > V I C T O R Y N O T V E N G E A N C E
>
>
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
V I C T O R Y N O T V E N G E A N C E
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