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Date: October 18, 2017
10:00PM - 11:00PM Mountain Time

Purpose of Work:
The current firmware running on our Nimble storage arrays is susceptible to an unplanned service restart at increments of 208.5 days of system uptime. We will be upgrading the installed firmware to the most recent version in order to address the matter before the next interval. We will be updating both Denver Tech Center systems as well as our DR site in Phoenix, AZ

Impact of Work:
The primary impact is a temporary loss of redundancy.  The Nimble storage array is a dual controller system. The upgrade procedure involves installing the updated firmware on the 'offline' side of the controller, followed by a deliberate transfer to the updated controller. We will then update the now 'offline' controller and the system as a whole will be returned to a normal redundant mode of operation. The entire process is expected to be transparent to all users.

This firmware upgrade has been completed without incident.

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