Date: Sat, 31 May 1997 18:07:18 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: freebsd-current@freefall.FreeBSD.org Subject: Re: ctm Message-ID: <19970531180718.HX14681@uriah.heep.sax.de> In-Reply-To: <Pine.BSF.3.91.970530113427.364E-100000@Journey2.mat.net>; from Chuck Robey on May 30, 1997 11:39:11 -0400 References: <199705301416.QAA04273@sos.freebsd.dk> <Pine.BSF.3.91.970530113427.364E-100000@Journey2.mat.net>
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As Chuck Robey wrote: > Soren, I would like to be able to fall back to cvsup, because when my > connectivity is good, it would do it, but I don't know any reliable > method of getting back to ctm, without requiring me to download one of > the "A" deltas. The only reliable method is to CVSup from the CTM master site again, before switching back to CTM. This would update your .ctm_status file to the exact status of the master site. I once tried to convince Richard into providing a CVSup server (and be it only for registered people, exactly for this purpose), but it seems he feared the effort. (Well, he probably doesn't know it takes as few as 15 minutes to get it up & running... ;-) If people are disciplined enough to not abuse this service, but only use it for the final catchup before switching back to CTM, this shouldn't cause any notable load on Richard's machine. An alternative could it be if Sascha's machine would provide this service, although the latency is a little higher then (since he has to extract the CTM deltas first). I did it by CVSupping from Richard's feed (cvsup5.freebsd.org), around the time he's doing it, but there's still a probability that a few files will be different in the end. The worst part of this game is switching from CTM to CVSup, btw. The CTM delta format doesn't provide for a timestamp field, but CVSup primarily relies on the timestamp. I've once contemplated to extend the CTM delta format, but never got to implement it. If i'm not totally mistaken, this addition could be transparent to people using old CTM client software (they would simply ignore the additional field). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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