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Date: Sat, 26 Oct 1996 01:00:37 GMT
From: Adam David <adam@veda.is>
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Subject: bin/1891: mountd fails to export
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>Number:         1891
>Category:       bin
>Synopsis:       mountd fails to export
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Oct 25 18:10:01 PDT 1996
>Last-Modified:
>Originator:     Adam David
>Organization:
Veda Internet
>Release:        FreeBSD 2.2-CURRENT i386
>Environment:

	NFS

>Description:

	if one of the hostnames in /etc/exports is misspelt or fails to
	resolve due to a transient failure, the whole line is junked even
	when other hosts are specified and available. This also applies
	to hostnames included via netgroups.

>How-To-Repeat:

	assuming that "friendly" is a valid host on the local foo.com network

	foo# echo "/usr	friendly moo.cow" >exports.foo
	foo# mountd exports.foo
	foo# showmount -e
	Exports list on localhost:
	foo# echo "/usr friendly" >exports.foo
	foo# kill -HUP `cat /var/run/mountd.pid`
	foo# showmount -e
	Exports list on localhost:
	/usr                               friendly.foo.com
	foo#

>Fix:
	
	Skip the host instead of skipping immediately to the next line
	every time get_host() returns an error.

	or:

	Document that it is a requirement for all hosts in /etc/exports
	to be defined in /etc/hosts in order to prevent failed exports to
	reachable hosts.

	or:

	Document that it is advisable to separate host lists topologically
	into separate lines in /etc/exports
>Audit-Trail:
>Unformatted: