Add_workflow_for_techpubs |
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samenon | JIRAIDAUTH | SBX-86216 |
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REV5 |
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Include Page |
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| Clear_upgrade_directory_warning |
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| Clear_upgrade_directory_warning |
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- The firmware is not reverted back to an earlier version because it is backward compatible with earlier
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- versions.
- Any configurations performed after the upgrade will be lost after the Revert. Once the revert completes, the configuration rolls back to the
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- Only the systems upgraded (offline or LSWU) can be reverted. The system can not be reverted to an older version when the server/system is ISOed or the SBC software is installed.
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This procedure is service impacting. |
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The Revert procedure is not supported on the or . |
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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
application revert using the EMA:Launch the EMA (from either the active or standby server). Refer to Logging
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1 | Logging On to EMA Platform |
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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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1 | New Application and OS Version |
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Navigate to Administration > System Administration screen.
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1 | System Administration Screen |
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Click Revert Software Version.
The Revert Software Version screen is displayed
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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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1 | Revert Software Screen |
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- Click
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- Image Modified to start the revert.
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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The Revert Software application simultaneously reverts both the Active |
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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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00R000 version. You can see the revert status in the Log section.
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1 | Continuing Revert Operation |
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Once you see Rebooting message in the logs, log out from the EMA.
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1 | Rebooting SBC Platform |
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The revert operation takes approximately 15 to 20 minutes to complete. |
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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1 | Active Server Revert Status |
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1 | Standby Server Revert Status |
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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. |