The first Wednesday of the month is designated as a maintenance reboot window for some Linux servers. Linux servers can be automatically rebooted by taylor or chef, or they can be manually rebooted by a unix-admin team member.
This monthly reboot schedule facilitates the patching and activation of updated kernels, glibc, and other shared libraries on Linux servers. Periodic reboots to enable security patches are required by SLAC cyber security and DOE. The first Wednesday of the month Linux server reboots are staggered between 2 AM - 7 AM Pacific Time for automatic reboots by taylor and chef, or 7 AM - 11:30 AM for manual reboots by a unix-admin team member.
Date (and comp-out link) | Time | Server hostnames | RHEL 6 kernel release | CentOS 7 kernel release |
---|---|---|---|---|
Wednesday, March 4th, 2020 | 1 AM - 11:30 AM Pacific Time | 2.6.32-754.27.1 | 3.10.0-1062.12.1 | |
Wednesday, April 1st, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, May 6th, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, June 3rd, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, July 1st, 2020 | 1 AM - 11:30 AM Pacific Time |
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Wednesday, Aug 5th, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, Sep 2nd, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, Oct 7th, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, Nov 4th, 2020 | 1 AM - 11:30 AM Pacific Time | |||
Wednesday, Dec 2nd, 2020 | 1 AM - 11:30 AM Pacific Time |