From owner-freebsd-hackers Mon Mar 9 12:22:05 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA25724 for freebsd-hackers-outgoing; Mon, 9 Mar 1998 12:22:05 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from rocksalt.mui.net ([207.12.13.235]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA25646 for ; Mon, 9 Mar 1998 12:21:59 -0800 (PST) (envelope-from ken@mui.net) From: ken@mui.net Received: from prune.mui.net (prune.mui.net [207.12.13.234]) by rocksalt.mui.net (8.8.7/8.8.7) with SMTP id KAA16014 for ; Mon, 9 Mar 1998 10:21:58 -1000 (HST) (envelope-from ken@mui.net) Message-Id: <199803092021.KAA16014@rocksalt.mui.net> Comments: Authenticated sender is To: hackers@FreeBSD.ORG Date: Mon, 9 Mar 1998 10:18:09 +0000 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Subject: Re: SCSI Bus redundancy... In-reply-to: References: <199803090845.JAA02668@ws6423.gud.siemens.at> X-mailer: Pegasus Mail for Win32 (v2.54) Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message