Date: Fri, 06 Mar 1998 09:03:14 -0700 From: "M. Warner Losh" <imp@village.org> To: leifn@image.dk (Leif Neland) Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: SCSI Bus redundancy... Message-ID: <199803061603.JAA01624@pencil-box.village.org> In-Reply-To: Your message of "04 Mar 1998 09:02:00 %2B0100." <4bf_9803042116@swimsuit.swimsuit.roskildebc.dk> References: <4bf_9803042116@swimsuit.swimsuit.roskildebc.dk> <XFMail.980303170953.shimon@simon-shapiro.org>
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In message <4bf_9803042116@swimsuit.swimsuit.roskildebc.dk> Leif Neland writes: : A company I know has the production database in one location, and a : backup database in another. The backup-database operates in : "incremental restore" mode (for lack of a better word), and receives : the redo-logs from the production database over a dedicated network : link. So the backup-database is only a few minutes behind at most. The company that I work for is producing a product called DataStar (what a name) that operates at the disk block level to accomplish the same thing. We've found that a properly configured system is never more than about a second behind in its updates. Any FreeBSD interest in a disk mirroring product that mirrors data to a remote location in realtime? I'd love to do a FreeBSD port :-). Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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