Date: Sun, 1 Dec 1996 16:10:26 +0100 (MET) From: sos@freebsd.org To: dyson@freebsd.org (John S. Dyson) Cc: sos@freebsd.org, current@freebsd.org Subject: Re: Corrupted CVS updates Message-ID: <199612011510.QAA23315@ravenock.cybercity.dk> In-Reply-To: <32A19869.41C67EA6@freebsd.org> from "John S. Dyson" at Dec 1, 96 09:38:33 am
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In reply to John S. Dyson who wrote: > > Soren Schmidt wrote: > > > > > Hmm, I have seen various problems with some of the bigger CTM > > patches (esp. those that touch all files), this triggers our > > old well known (but not understood) vm problem, that manifests > > itself as an bogus diskblock (one page), that will disappear if > > the disk is unmounted & then mounted again 95% of the times, the > > last 5% that invalid block will have been written back to disk :( > > It seems that my systems has been suffering pretty bad from this > > over the last ~14 days or so. I have one workaround for this: > > mount the disks via nfs and do the update from another machine, > > this fixes the problem, but is dog slow.... > > > Sorry for my Netscape reply -- only mailer that I have right > now that supports mime... :) > Could you tell me if you are mounting your filesystems async? > I am looking at the problem (in filesystem mode -- unfortunately > meant to be in documentation mode.) Well, its almost beyond use when I do NOT mount them async, async makes the probelm a lot less worse... Also this only happens on the really large patches, so size is definatly a parameter in this... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team Even more code to hack -- will it ever end ..
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