We will be upgrading GPFS from 3.5 to 4.1 on the CIFS cluster on Wednesday, Oct. 26th, between 7am and 8am. The cifs.cs.brown.edu server will unstable during this maintenance window . We recommend users logging out of their managed Windows machine before the 7am, Wednesday, Oct. 26th maintenance window.
More info for those who are interested. The GPFS 3.5 version will reach its end of support date, April, 2017. The mininum support version after April 2017 is GPFS 4.1. We have already starting a rolling upgrading the manager and quoram nodes in the GPFS cluster. There are two more quorum nodes in the CIFS cluster that must be upgraded in order to continue the GPFS rolling upgrades.