==> Regarding Re: [autofs] BUG: autofs4 + cd /net/<Netapp>/vol/vol[0-3] = port  
usage problems; [EMAIL PROTECTED] adds:

raven> On Fri, 14 Jan 2005, David Meleedy wrote:
>> Ian, I have installed the multi-over patch into our version of the
>> automounter 4.1.3-67 (with updated large-program-map patch) and so far
>> everything looks great!  I am going to test our machines for a longer
>> period of time and make sure everything looks stable, but so far, so
>> good!

raven> That sounds very encouraging. Great!

Very encouraging indeed.  Good catch, Ian!

>> It seems to have eliminated the "BUG" message in the messages file, and
>> it seems as though the automounter can unmount /net/aflac which it was
>> not able to do in the past during a reboot.  I suspect that this means
>> it will use a lot less ports, and I might not even need the kernel patch
>> (given the small amount of mounts we actually use) -- I am testing this
>> as well.

raven> The BUG messages were placed there to identify this happening as
raven> this problem has come up in various forms several times.

raven> In this case it appears to be caused by the order in which the
raven> mounts are done (ie. received from auto.net). Given that current
raven> autofs implementation of multi-mounts must handle them as a single
raven> unit, nested filesystem mounts, made in the wrong order, cause
raven> overmounting which caused the umount problem.

raven> Perhaps.

raven> Depends on whether the mount program has the patch which probes the
raven> NFS server. The port usage problem still remains and I expect it
raven> will continue to cause problems for us one way or another. Hopefully
raven> it will be addressed in the near future.

Hmm, I wonder what probing it actually does.  I'll have a look and see if
we can change the probe code to use non-reserved ports.

-Jeff

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