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Back to Upgrading SBC Application Software
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The SBC application revert from
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this release to the previous version is performed using the SBC EMA
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with the following prerequisites:
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Firmware is not reverted back to earlier version as it is backward compatible with earlier SBC version. |
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All configurations performed after the upgrade will be lost on initiating the Revert. When the revert is complete, the configuration will rollback to the timeline mentioned in 'Last Used' field. |
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This procedure is service impacting. |
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The Revert |
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procedure is not supported on |
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the
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The images depicted here are only for examples and does not indicate the latest build. To know more about the latest build information, refer to Production Releases. |
The following procedure describes the
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Launch the EMA
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(from either the active or standby server). Refer to Logging into EMA in Platform Mode for guidance.
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You may launch the EMA in either the active or standby server. |
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Navigate to
Monitoring > Dashboard > System and Software Info to verify the versions.
(An example screenshot is shown below. Your actual software version may vary).
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Navigate to Administration > System Administration screen.
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Click Revert Software Version.
The Revert Software Version screen is
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displayed displaying the system or partition for the current version and the older version.
(An example screenshot is shown below. Your actual software version may vary).
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A confirmation message appears on the screen informing you this action will change the boot software version to the previous release, plus warn you that this is a service-impacting action. Click Ok to proceed.
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0 | Figure |
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1 | Confirmation of Revert Operation |
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The Revert Software application simultaneously reverts both the Active |
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and Standby |
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server. |
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Continuing the revert will reboot the upgraded server(s) |
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to an earlier release. During this process, the browser session |
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is lost necessitating logging back into the session. |
The Revert Software starts and changes the boot version to earlier version in both the active and standby server. For example, in this case, it is
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06.02.
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00R000 version. You can see the revert status in the Log section.
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Once you see Rebooting message in the logs, log out from the EMA.
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The revert operation takes |
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approximately 15 to 20 minutes to complete. |
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Launch the Platform Manager using the default credentials.
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Beginning with 5.0 release, the Platform Manager is integrated into the EMA and hereafter referred to as EMA Platform Mode. So once it is reverted back to 3.x/4.x release, you may only use Platform Manager tool for further upgrades. |
Verify the revert software versions in Platform > Software Versions.
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The roles of Active and Standby server may interchange depends upon the server, which is booting first. In this case, WFDSBC01b completed the rebooting first and became active. |
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