Subject: Re: recommendations for hardware RAID on NetBSD?
To: None <kml@selresearch.net, netbsd-help@mail.netbsd.org>
From: Michael G. Schabert <mikeride@mac.com>
List: netbsd-help
Date: 03/20/2002 19:20:09
At 12:47 PM -0800 3/20/02, kml@selresearch.net wrote:
>I'm interested in getting a CVS server and small web server put together
>for work. My boss would like to do hot-swappable hardware RAID, although
>the actual load on either of the systems is likely to be fairly low, and
>we're unlikely to need more than 120GB or so of storage. I'm much more
>interested in reliability and ease of configuration than raw performance.
Yes, performance is fairly irrelevant wrt web servers, as even crappy
single hard drives can saturate a T-3...as it's barely better than 5
MBps. Networks list speeds in bits/sec, & SCSI measures in bytes/sec,
so a 45Mbps T-3 is 5.625 MBps...original non-fast SCSI2-class speeds.
>What's the current state of the art with hardware RAID on NetBSD?
>I've perused the release notes and the excellent web page describing
>"PCI Hardware Supported by NetBSD", but I'm sort of curious about
>those small details that aren't always obvious -- orphaned drivers,
>obsolete hardware, etc.
My advice would be to get an external hardware RAID. In that case, it
is just another hard drive, & support is not necessary (assuming it
has an interface panel). You would just need a supported SCSI card.
Getting a "RAID card" won't be able to give you the hot swap
capability, unless you regularly run your server without the cover on
;-).
Just my opinion,
Mike
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