Date: Fri, 14 May 1999 10:36:06 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: =?iso-8859-1?Q?Roar_Thron=E6s?= <roart@nvg.ntnu.no> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: large master.passwd Message-ID: <199905141736.KAA02782@apollo.backplane.com> References: <Pine.GS4.4.10.9905141040560.875-100000@phoenix.nvg.ntnu.no>
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:Hi
:
:On a site with 20k users in the master.passwd, and where NIS is not
:trusted, the master.passwd is distributed to each workstation.
:The pwd.db and spwd.db are sized around 10Mb.
:
:Sometimes, those .db files get corrupt.
:I suspect it has something to do with the machines being reset etc before
:the sync is finished. (The machines are dual-boot, and there are a lot of
:users around.)
:
:I did some patching, and have not seen corrupted .db-files since.
:
:So how usable is this patch?
:Worth intregrating?
What version of FreeBSD are you running? mmap is used heavily with the
password DBM's and at least one mmap bug known to cause corruption in
those files was fixed a month or two ago. I do not remember whether it
was backported to 2.2.x, though.
-Matt
:Regards,
:Roar Thronęs
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