Date: Wed, 03 May 2000 13:19:05 -0400 From: "Charles N. Owens" <owensc@enc.edu> To: Brad Knowles <blk@skynet.be> Cc: spork <spork@super-g.com>, "Brandon D. Valentine" <bandix@looksharp.net>, Mark Powell <M.S.Powell@salford.ac.uk>, Joe Karthauser <joe@pavilion.net>, freebsd-stable@FreeBSD.ORG Subject: Re: How good is AMI MegaRAID support? Message-ID: <39105F89.F6167778@enc.edu> References: <Pine.BSF.4.00.10005030148540.25222-100000@super-g.inch.com> <v04220801b53594ffe020@[195.238.23.13]>
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Brad Knowles wrote:
> At 1:55 AM -0400 2000/5/3, spork wrote:
>
> > Last I looked though, vinum cannot protect you from loss of your boot
> > device.
>
> I am told that in FreeBSD 4.0, vinum now has the ability to
> mirror the root filesystem. I don't know if this addresses the issue
> you are concerned about, but I personally find it very interesting.
Do you have any pointers to such information (ideally, something like a
"how-to")?
I do know that Greg Lehey has been investigating such functionality...
Thanks,
cno
> > For some applications this may not be terribly important, but if
> > you cannot afford to bring the machine down, the hardware solution starts
> > to look better.
>
> I must admit that hardware does have certain advantages, but it
> does require driver support from the OS (unless it's an external
> SCSI-SCSI model), and I believe that the primary things you gain with
> hardware RAID controllers is not performance but instead other
> advantages, including transparency to the OS, etc....
>
> If what you're after is absolute maximum speed for minimum money,
> hardware is not the way to go.
>
> --
> These are my opinions -- not to be taken as official Skynet policy
> ======================================================================
> Brad Knowles, <blk@skynet.be> || Belgacom Skynet SA/NV
--
-------------------------------------------------------------------------
Charles N. Owens Email: owensc@enc.edu
http://www.enc.edu/~owensc
Network & Systems Administrator
Information Technology Services "Outside of a dog, a book is a man's
Eastern Nazarene College best friend. Inside of a dog it's
too dark to read." - Groucho Marx
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