As you all aware, we are heading towards Leap Seconds adjustment
on 30th June 2015. As a part of our proactive measure, this
is to keep you informed about this change and ensure that
your environment will not face any major impact due to this change.
What is leap second ?
A leap second is a one-second adjustment that is occasionally
applied to Coordinated Universal Time (UTC) in order to correspond to the mean
solar time. An adjustment of +1 second is scheduled for 23:59
UTC on the 30th June 2015.
When this activity will be carried out?
This change will be carried out globally and simultaneously at
the UTC scheduled time, adjust accordingly for your timezone. For example, in
Eastern Standard Time-the leap second change will take place
at 19:59 30th June 2015.
What are all the impacts?
Only systems configured as Network Time Protocol (NTP) clients are potentially affected as they will receive a NTP packet with a leap second flag on the day of the adjustment.
Here are some additional information & articles for your
perusal,
For the VMware products unaffected by the Leap Second change, refer following KB article
Note: ESXi/ESX are
unaffected by the leap second change as ESX/ESXi utilizes the RFC-1589 clock
model, appropriately handling leap seconds. This is documented in KB http://kb.vmware.com/kb/2121190
.
Support for Leap Seconds in VMware Products – Please refer
the following KB article
