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Date:      Mon, 9 Mar 1998 10:18:09 +0000
From:      ken@mui.net
To:        hackers@FreeBSD.ORG
Subject:   Re: SCSI Bus redundancy...
Message-ID:  <199803092021.KAA16014@rocksalt.mui.net>
In-Reply-To: <XFMail.980309094907.shimon@simon-shapiro.org>
References:  <199803090845.JAA02668@ws6423.gud.siemens.at>

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> b.  Battery backup systems can live for minutes.  If power needs
> extend
>     into hours, mecahnical means of generating electrivity are
>     needed.

plus there are some models that have hot swappable batteries, 
external battery packs, etc (APC) that can last for a few hours if 
necessary.

ken

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