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Bug 1938020 - [RFE] support for ntp xleave, filter, and hw timestamping
Summary: [RFE] support for ntp xleave, filter, and hw timestamping
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: rhel-system-roles
Version: 8.5
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: 8.5
Assignee: Rich Megginson
QA Contact: David Jež
Jaroslav Klech
URL:
Whiteboard: role:timesync
Depends On: 1937938 1938016
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-03-11 22:50 UTC by Rich Megginson
Modified: 2021-11-09 20:30 UTC (History)
8 users (show)

Fixed In Version: rhel-system-roles-1.1.0-1.el8
Doc Type: Enhancement
Doc Text:
.Users can manage the `chrony` interleaved mode, NTP filtering, and hardware timestamping With this update, the `timesync` RHEL System Role enables you to configure the Network Time Protocol (NTP) interleaved mode, additional filtering of NTP measurements, and hardware timestamping. The `chrony` package of version 4.0 adds support for these functionalities to achieve a highly accurate and stable synchronization of clocks in local networks. * To enable the NTP interleaved mode, make sure the server supports this feature, and set the `xleave` option to `yes` for the server in the `timesync_ntp_servers` list. The default value is `no`. * To set the number of NTP measurements per clock update, set the `filter` option for the NTP server you are configuring. The default value is `1`. * To set the list of interfaces which should have hardware timestamping enabled for NTP, use the `timesync_ntp_hwts_interfaces` parameter. The special value `["*"]` enables timestamping on all interfaces that support it. The default is `[]`.
Clone Of: 1938016
: 1938023 (view as bug list)
Environment:
Last Closed: 2021-11-09 17:44:47 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github linux-system-roles timesync pull 88 0 None closed Add support for HW timestamping with NTP 2021-03-11 22:50:23 UTC
Red Hat Product Errata RHBA-2021:4159 0 None None None 2021-11-09 17:45:14 UTC

Description Rich Megginson 2021-03-11 22:50:24 UTC 
Description of problem:
Add ability to configure the ntp interleave mode, number of NTP measurements, and interfaces that use hardware timestamping.

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


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
Comment 1 Rich Megginson 2021-03-11 23:02:00 UTC 
@mlichvar Please check the Doc Text and make sure I got it right.
Comment 2 Miroslav Lichvar 2021-03-15 08:31:40 UTC 
It looks good to me. I added a sentence to explain that the server needs to support the interleaved mode.
Comment 6 Rich Megginson 2021-04-02 00:04:11 UTC 
Test coverage is tests/tests_ntp.yml
Comment 25 errata-xmlrpc 2021-11-09 17:44:47 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (rhel-system-roles bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:4159
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