Bug 127510 - (nfs_mount_limit) ns9 automount[19919]: >> too many mounted file systems
ns9 automount[19919]: >> too many mounted file systems
Product: Fedora
Classification: Fedora
Component: autofs (Show other bugs)
All Linux
medium Severity high
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Assigned To: Jeff Moyer
Brock Organ
Depends On:
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Reported: 2004-07-09 01:01 EDT by Patrick McShane
Modified: 2007-11-30 17:10 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2004-07-09 07:53:23 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Patrick McShane 2004-07-09 01:01:33 EDT
Description of problem:
Redhat Fedora Core2 client machine cannot mount more than 803 nfs 
mounts via autofs.

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

How reproducible:
Try to mount more than 803 automounts on a client-side automount-
configured machine (/home/username - auto_home map).

Steps to Reproduce:
1. Using autofs, mount more thean 803 mounts (auto_home)
2. /var/log/messages will show many "too many mounted file systems" 
Actual results:
Fedora Core 2 client machine can't mount more than 803 NFS automounts 
(/home/username - auto_home map)

Expected results:
More than 803 mounts.

Additional info:
Is there a way to increase the number of NFS client-side automounts 
to greater than 803 in Fedora Core 2.   Is this a configurable option?
Please advise.
Comment 1 Jeff Moyer 2004-07-09 07:53:23 EDT
Note that this is not an autofs issue, it is an nfs issue.  NFS will
use low (reserved) port numbers when making its connections, and there
is a relatively small number of these available.  As such, it is
likely that this is the restriction you are running into.

There is no tuning knob to fix this for FC2.

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