From owner-freebsd-questions  Tue Dec 15 13:44:46 1998
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From: "Kent Ketell" <kketell@juniper.net>
To: "Karl Pielorz" <kpielorz@tdx.co.uk>, "Greg Lehey" <grog@lemis.com>
Cc: <freebsd-questions@FreeBSD.ORG>
Subject: RE: RAID Controllers Supported?
Date: Tue, 15 Dec 1998 13:43:42 -0800
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The issue for us is more of notification in case of a failure.  The DPT
solution does not appear to provide this at all, other than the alarm.
I was hoping for some form of syslog activity, but my testing did not
produce a single syslog entry post boot.

I setup two raids on a single controller; one called apples (Raid-1) and
the other called oranges (Raid-5).  I setup the system with a single
hot-spare.

I started a really large cvs checkout onto the raid-5 filesystem and yanked
one of the drives.  The hot-spare came into play perfectly, but there was no
indication at the operating system level that anything untoward had
happened.
This is not good.

Does anyone have a pointer to make the syslog work, or should I look
elsewhere
for my Raid solutions?

-Kent-

> -----Original Message-----
> From: Karl Pielorz [mailto:kpielorz@tdx.co.uk]
> Sent: Wednesday, December 09, 1998 12:35 AM
> To: Greg Lehey
> Cc: Kent Ketell; freebsd-questions@FreeBSD.ORG
> Subject: Re: RAID Controllers Supported?
>
>
>
> Greg Lehey wrote:
>
> > Also (as Karl well knows) there's Vinum, a software RAID driver.  It's
> > not what you asked for, but it may be what you want :-)
> >
> > Take a look at http://www.lemis.com/vinum.html.
>
> True, but I guess it all boils down to whether you want to boot
> off the RAID
> partition or not - for our production system this was important...
>
> If you need it bootable from RAID go with the hardware, if that's
> not a major
> requirement certainly look at Vinum (which will be bootable at
> some point in
> the future ;-)
>
> Regards,
>
> Karl
>


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