New hard drive in an Indigo2

From: David Woyciesjes <DAW_at_yalepress3.unipress.yale.edu>
Date: Tue Mar 12 13:48:08 2002

> From: Doc
>
> On Tue, 12 Mar 2002, Christopher Smith wrote:
>
> > Anyway, shouldn't a decent RAID allow you to select the mode
> > so that it only does striping ?
>
> Didn't I say "reliable"? Even RAID 0, plain striping, carries a
> certain overhead in drivespace. The big problem is that with simple
> striping you lose everything if you lose anything. RAID is *expensive*,
> even if you get your adapter free. Drivespace overhead, tuning slices,
> matching drives, power consumption, noise, etc. BIG cost is the
> price of drives, for example 5x9G drives vs. 1x36G.
>
> <My Not-So-Humble Opinion>
> A multi-channel adapter or multiple adapters, running JBOD, with
> intelligent filesystem groupings, will probably boost your speed as much
> as RAID will. (Assuming a single-user general-use Unix desktop.) RAID
> can be tuned to big sequential reads or writes, or a lot of small r/w,
> but it's damn difficult to get middle-ground or all-around performance.
> </My Not-So-Humble Opinion>
>
> All that said, it's good practice and fun.
>
> Doc
>
Doc - As someone who never played with RAID before, can you provide an
example setup, or two?

--- David A Woyciesjes
--- C & IS Support Specialist
--- Yale University Press
--- mailto:david.woyciesjes_at_yale.edu
--- (203) 432-0953
--- ICQ # - 905818
Mac OS X 10.1.2 - Darwin Kernel Version 5.2: Fri Dec 7 21:39:35 PST 2001
Running since 01/22/2002 without a crash
Received on Tue Mar 12 2002 - 13:48:08 GMT