Date: Mon, 4 Aug 2014 23:53:49 +0200 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@freebsd.org> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-current@FreeBSD.org, freebsd-arch@FreeBSD.org Subject: Re: [CFT] Autofs. Message-ID: <20140804215349.GA33526@pc5.home> In-Reply-To: <1593472917.6916985.1407178271363.JavaMail.root@uoguelph.ca> References: <3DA39B51-4CE5-437B-9B03-7E34CC954A7E@lists.zabbadoz.net> <1593472917.6916985.1407178271363.JavaMail.root@uoguelph.ca>
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On 0804T1451, Rick Macklem wrote: > Bjoern A. Zeeb wrote: > > On 30 Jul 2014, at 07:19 , Edward Tomasz Napierała > > <trasz@freebsd.org> wrote: > > > > > At the link below you will find a patch that adds the new > > > automounter. > > > The patch is against yesterdays 11.0-CURRENT. > > > > > > http://people.freebsd.org/~trasz/autofs-head-20140729.diff > > > > I also just submitted > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192379 to allow -o > > vers= mount_nfs compatibility, which makes it easier to integrate > > with Linux/OSX/Solaris LDAP setups and mount options from LDAP. > > > > > > > Testing is welcome. Please start with manual pages, eg. > > > automount(8). > > > > > > I found one case now doing the aforementioned where when the initial > > mount_nfs fails (e.g., for invalid options), then a later mount did > > not succeed either, with the correct mount options; I did try to > > run automount -u in between tries, as well as service automountd > > restart, but that did not make a change; given I was short on time, > > a reboot of my desktop made this go away. Is there some “negative > > caching” in the kernel module possibly that will not retry the mount > > for another time or something—as in if I were more patient and > > waited 5 minutes, would it maybe just have worked again? > > > If I recall it correctly, it retries a mount attempt that fails after > something like 1min (which seems like a long time when you are waiting > for it;-). I think that was done so that clients don't flood a rebooting > server with mount attempts, but that code was written long, long ago. >From what I've seen mount_nfs(8) retries indefinitely; that's why automountd disables that behaviour by default, by passing "retrycnt=1".
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