Cisco DNCS System Release 2.7 3.7 4.2 Installation Guide
Chapter 1 Planning the Upgrade
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Estimated Timeline
The upgrade to SR 7.0 provides the ability to stage a new VM on the Cisco UCS
server with the upgraded operating system and application software prior to
entering the maintenance window.
server with the upgraded operating system and application software prior to
entering the maintenance window.
Most sites should be able to complete an upgrade within a typical 6 hour
maintenance window. However, depending on the size of your system, it could take
longer. Key factors are the size of your database and the number of headend
elements.
maintenance window. However, depending on the size of your system, it could take
longer. Key factors are the size of your database and the number of headend
elements.
Post upgrade procedures may involve resetting the modulators. Review the release
notes to determine if the modulator code is going to be upgraded. Our engineers
recommend that you never reset more than eight modulators at once. Refer to the
following table for estimated times for resetting the modulators.
notes to determine if the modulator code is going to be upgraded. Our engineers
recommend that you never reset more than eight modulators at once. Refer to the
following table for estimated times for resetting the modulators.
Number of
Modulators
Modulators
Minutes
(approx. 4 minutes per
modulator, 8 at a time)
(approx. 4 minutes per
modulator, 8 at a time)
60
30 to 38
100
50 to 63
150
75 to 94
200
100 to 125
250
125 to 157