Code review request: Single hosts file (due 7/24)

Requesting code review for single hosts file (PSARC
2006/299,
CR# 6219146: /etc/inet/hosts and /etc/inet/ipnodes need
to be the same file.) Please send in your comments by COB 
Mon July 24th.

Summary:
Requiring administrators to maintain two separate files
(/etc/inet/hosts and /etc/inet/ipnodes) with IPv4 addresses
always 
in sync is causing confusion and problems. /etc/inet/hosts
and 
/etc/inet/ipnodes files will be merged and a single file
(/etc/inet/hosts)
is used for storing all IP addresses. The /etc/inet/ipnodes
file is 
replaced as a symlink to /etc/inet/hosts for backwards
compatibility. 
If upgrading to Nevada /etc/inet/ipnodes entries are merged
into 
/etc/inet/hosts during pkg upgrade.

Off-SWAN webrev is here:
http://cr.
grommit.com/~rishi/ipnodesmerge/
CR info:
http://bugs.opensolaris.org/bugdatabase/view_b
ug.do?bug_id=6219146

If you're on the SWAN webrev to ON gate changes:
ht
tp://atlantic.east/ws/rishi/ipnodesmerge/webrev/
Webrev to install gate changes (SWAN only):
h
ttp://atlantic.east/ws/rishi/ipnodesmerge-install/
CR info:
http://mona
co.sfbay/detail.jsf?cr=6219146

Thanks,
Rishi

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