[Ncep.nhc.nco_contacts] TSB Morning Rounds - Fri Mar 25, 2016

Dr. Craig A. Mattocks craig.mattocks at noaa.gov
Fri Mar 25 14:35:29 UTC 2016


NCO has identified the version of the bad Linux kernel as:



> On Mar 25, 2016, at 8:58 AM, TSB Admin <nhc.tsbadmin at noaa.gov> wrote:
> Here is today's summary of NHC computer operations: 
> --- Craig Mattocks
> ----------
> 1. Reminder: AWIPS II will be upgraded to version 16.1.4 and OPC/HFO will back up TAFB starting at about 7:30 AM Monday morning, March 28.
> HSU:
> Other items:
> 1. Bad RHEL 6 Linux kernel: other centers are reporting problems (spontaneous reboots of VMs, memory leaks, excessive numbers of sleeping processes, crons not running) caused by kernel version 18. If this occurs, a Help Desk ticket should be submitted to NCO. Their SysAdmins will roll back the kernel on impacted systems to an older, more stable version (12). Red Hat has released a new kernel that fixes this problem. NCO will be testing this new version next week and, if it is deemed to be stable, they will begin a large scale upgrade process across the national centers.
> Linux command to check kernel number: uname -r

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