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Cisco Bug: CSCtd32009 - Time Master issues causing Drift/Jumps in times used by various SM syste

Last Modified

Jan 04, 2017

Products (1)

Known Affected Releases

5.3(5)

Description (partial)

Symptom:

Due to a bogus time distrubuted via time master,  unintended grooming
can occur causing user video to be deleted before its expiration
even though there is available storage space to retain it.

Conditions:

When configured for custom time, recieved from an AMS, TimeMaster
can inadvertingly distribute a bogus time as received from the AMS.
Analog Matrix Servers distribute time as an ascii string over a 
console port, which is recieved by the TimeMaster XVCR and then
distributed to all other stream manager devices on the network.
Prior to 5.3.11 there is no protection or sanity check against random
bit errors in the ascii timestamp, which can cause the time to jump
by weeks, months or years.  If the groomer on an XVCR kicks off
before the time is corrected (presumably by the next TimeMaster 
message) undesired grooming may result.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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