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Bug 159053 - Low availability of ntp deamon for relaying.
Summary: Low availability of ntp deamon for relaying.
Alias: None
Product: Fedora
Classification: Fedora
Component: ntp
Version: 3
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Miroslav Lichvar
QA Contact: Brian Brock
Depends On:
TreeView+ depends on / blocked
Reported: 2005-05-28 09:04 UTC by Christiaan Simons
Modified: 2007-11-30 22:11 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Enhancement
Doc Text:
Clone Of:
Last Closed: 2006-07-27 11:58:06 UTC

Attachments (Terms of Use)

Description Christiaan Simons 2005-05-28 09:04:42 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0

Description of problem:
If the ntpd is used as NTP relay, and the (external) network is down, the deamon is not started. The /etc/rc.d/init.d script calls exit for this case.

Also the daemon may be started without ntp.conf in some cases, so the exit for this case is also very crude.

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

How reproducible:

Steps to Reproduce:
1. Setup your system as ntp relay.
2. Restart your ntpd service without network.

Actual Results:  There is no running ntp deamon afterwards! 

Expected Results:  The ntpd should allways be running, regardless of network status.

Additional info:

For an ntp relay it is common to use the undisciplined local clock driver as fall-back. You want to be able to bing up the daemon, even when your ISP is down,
you allways need a single source of time.

Other init scripts may also suffer from assuming network availability to be required for a service to run. The ordering in which you want to bring things up should not create silly dependencies.

Comment 1 Matthew Miller 2006-07-10 23:30:16 UTC
Fedora Core 3 is now maintained by the Fedora Legacy project for security
updates only. If this problem is a security issue, please reopen and
reassign to the Fedora Legacy product. If it is not a security issue and
hasn't been resolved in the current FC5 updates or in the FC6 test
release, reopen and change the version to match.

Thank you!

Comment 2 Miroslav Lichvar 2006-07-27 11:58:06 UTC
In the /etc/sysconfig/network file that the ntpd initscript checks isn't the
current network status, but a setting if networking should be enabled or disabled.

It is correct to exit when NETWORKING=no.

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