Date: Fri, 6 Apr 2007 23:32:23 -0700 (PDT) From: "R. B. Riddick" <arne_woerner@yahoo.com> To: Mike Wolman <mike@nux.co.uk>, freebsd-fs@FreeBSD.org, freebsd-questions@freebsd.org Subject: Re: some thoughts about gmirror Message-ID: <219395.34786.qm@web30302.mail.mud.yahoo.com> In-Reply-To: <20070407001555.G87655@nux.eros.office>
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--- Mike Wolman <mike@nux.co.uk> wrote: > It could also be used for asynchronous mirrors over slow links, if the log > device was always written to first then the write latency for long distant > links could be removed. Im not sure if it would be possible to achieve > this using just a modified ggatec instead which has a local device used > as a write cache. > Sounds like rsync can already do that (I am not sure right now, if rsync can find updated areas within a large file, or if it just copies the while updated file even if it is a large one)... Furthermore the remote consumer of that gmirror couldnt be mounted RW, if it uses UFS, because UFS doesnt allow multiple RW mounts at the same time... -Arne ____________________________________________________________________________________ Food fight? Enjoy some healthy debate in the Yahoo! Answers Food & Drink Q&A. http://answers.yahoo.com/dir/?link=list&sid=396545367
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