CMS F5 load balancer software upgrade Tuesday, April 6

WHAT ARE WE DOING?
Computing will be upgrading the software on the CMS F5 load balancer instances. The standby instances will be upgraded first followed by the active one.

WHEN WILL THIS OCCUR?
Tuesday, April 6; 6 a.m. to 9 a.m.

WHAT IS THE IMPACT TO YOU?
During the window above, there will be two short outages, each less than five minutes, for the following servers behind the active CMS F5 load balancer instance:

• cms-frontier.fnal.gov
• cmseos-gridftp.fnal.gov
• cmseos-itbgridftp.fnal.gov
• cmseos-tst.fnal.gov
• cmseos-tstgridftp.fnal.gov
• cmslpc-sl7.fnal.gov

WHAT DO YOU NEED TO DO?
You don’t need to take any action. This message is for your information only.