Subject: Re: differential scsi controllers
To: Herb Peyerl <hpeyerl@beer.org>
From: Matthew Jacob <mjacob@feral.com>
List: port-i386
Date: 07/02/1998 07:53:38
Herb Peyerl wrote:
> 
> "Jordan K. Hubbard" <jkh@time.cdrom.com>  wrote:
>  > Our policy is to simply say "ccd is useful only for building large,
>  > fast, striped volumes which are also fragile as hell" and recommend
> 
> define "fragile as hell"?  Sure, there may be some missing features
> but as far as "large fast striped volumes", I've _never_ had a problem
> with any of my ccd's except in the case where one of the disks failed.
> 
> Since recovery from hardware failure isn't in the current feature-set,
> I don't call that a fault.
> 
> Missing features does not equate to fragile.

I'd also like to note that the 890GB ccds we use at NASA
Ames have individual (159GB) components that are in fact
RAID V arrays.