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Recommended NTP Configuration

ESP Engineering strongly recommends that the main SC, the spare SC, and each bootable domain on the platform be configured as NTP clients to the same reliable NTP servers that are external to the Sun Fire 15K/12K server. Make sure that the System Management Software patches are current and that the latest Solaris OE recommended patch cluster is installed on the SCs and domains.

If the Solaris 8 OE is installed on the SCs, make sure that the Kernel Update patch level is at KU-13 (108528-13) or higher. For the latest revision of the KU patches, check the SunSolveSM program web site at: http://sunsolve.sun.com

Also, for the Solaris 8 OE, you must have the following NTP patch installed:

  • Patch-ID: 109667-04

  • Keywords: security, xntpd, NTP, system clock, SIGPOLL, SLEWALWAYS overflow

  • Synopsis: SunOS 5.8: /usr/lib/inet/xntpd and /usr/sbin/ntpdate patch

  • Date: Oct/15/2001


For the Solaris 8 OE, do not use Patch-IDs 109667-01, 02, or 03. Using one of these patches could prevent NTP from fixing the time drift.

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