Symptoms
The Usage Meter reports are showing unexpected high usage values. The VM History, the Monthly Usage and the Customer Monthly Usage reports contain duplicated usage entries for the reported period. Due to these duplicate entries, the usage report values are doubled.
Cause
The duplicated entries are caused by configuring the Usage Meter Appliance in a time zone, which rule for Daylight-Saving Time (DST) was changed after 17th April, 2014
List of affected Time Zones:
America/Brazil/Acre
America/Brazil/Bahia
America/Mexico/Eastern Standard Time - Quintana Roo
America/Turks & Caicos Island
America/United States/Alaska - Annette Island
America/Uruguay
Antarctica/Antarctica/Casey
Asia/China/xinjiang_time
Europe/Russia/MSK-01 - Kaliningrad
Europe/Russia/MSK+00 - Crimea
Europe/Russia/MSK+00 - Kirov
Europe/Russia/MSK+00 - Moscow Area
Europe/Russia/MSK+00 - Volgograd
Europe/Russia/MSK+01 - Astrakhan
Europe/Russia/MSK+01 - Saratov
Europe/Russia/MSK+01 - Ulyanovsk
Europe/Russia/MSK+02 - Urals
Europe/Russia/MSK+03 - Umsk
Europe/Russia/MSK+04 - Altai
Europe/Russia/MSK+04 - Tomsk
Europe/Russia/MSK+05 - Irkutsk, buryatia
Europe/Russia/MSK+06 - Lena river
Europe/Russia/MSK+06 - Tomponsky
Europe/Russia/MSK+06 - Zabaykalsky
Europe/Russia/MSK+07 - Amur river
Europe/Russia/MSK+07 - Oymyakonsky
Europe/Russia/MSK+08 - Magadan
Europe/Russia/MSK+08 - Sahka (E)
Europe/Turkey
Pacific Ocean/Norfolk Island
Pacific Ocean/Tonga
When configured with any time zone, outside of this list, the Usage Meter 3.6.x is reporting correctly.