Bug 150322 - portmap needed on nfs client to mount nfs filesystem but not documented
portmap needed on nfs client to mount nfs filesystem but not documented
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: nfs-utils (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Steve Dickson
Ben Levenson
Depends On:
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Reported: 2005-03-04 11:45 EST by Mark Johnson
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2007-10-19 15:06:40 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Mark Johnson 2005-03-04 11:45:24 EST
Description of problem:

The documentation for RHEL 3 and 4 say that to mount a NFS filesystem
you run:

  mount shadowman.example.com:/misc/export /misc/local

However if portmap is not running on the client the mount will take
five minutes (it does succeed however and access to filesystem works
as expected afterwards).  After portmap is started the mount takes the
expected amount of time (< 1s)

The documentation does not mention that portmap should be running on
the client.  In the case of a "one off" mount on a client that does
not normally run the portmapper the behaviour is bad.

Version-Release number of selected component (if applicable):

How reproducible:


Steps to Reproduce:
1. mount shadowman.example.com:/misc/export /misc/local
Actual results:

Mount succeeds after five minutes.

From /var/adm/messages:

Mar  3 15:56:23 clienthostname kernel: portmap: server localhost not
responding, timed out

Expected results:

Mount succeeds in timely fashion.

Additional info:
Comment 1 Steve Dickson 2005-09-06 07:16:13 EDT
I think it would be hard to try and document every single
failure or hang case. As I will agree is very annoying to
have a mount hang for mins before failing, I feel the real
problem is why is the portmapper not coming up or why
is it dying.... 
Comment 3 RHEL Product and Program Management 2007-10-19 15:06:40 EDT
This bug is filed against RHEL 3, which is in maintenance phase.
During the maintenance phase, only security errata and select mission
critical bug fixes will be released for enterprise products. Since
this bug does not meet that criteria, it is now being closed.
For more information of the RHEL errata support policy, please visit:
If you feel this bug is indeed mission critical, please contact your
support representative. You may be asked to provide detailed
information on how this bug is affecting you.

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