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iti-attunity-sup
Partner - Creator III
Partner - Creator III

Regarding the failback method in an HA environment

Hello team,

I would like to ask about the failback procedure when upgrading an HA environment, based on the article below:

https://community.qlik.com/t5/Official-Support-Articles/Qlik-Replicate-upgrade-on-a-Windows-Cluster-...

 

I have two specific questions regarding this process:

Q1. Is my understanding correct that the failback procedure is basically the same as the "upgrade" process described in the article, simply by replacing "upgrade" with "reinstallation"?

Q2. Regarding the data folder restoration, should this be performed only after the reinstallation of both the Active and Standby nodes is complete?

Thank you for your assistance.

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1 Solution

Accepted Solutions
Rahul_Kale
Support
Support

Hello iti-attunity-sup,

Thank you for reaching out to the Qlik community.
 

Q1. Failback vs Upgrade Procedure:-
 

Yes. Your understanding is correct. The failback procedure follows the same steps as the upgrade process, with the key difference being that you reinstall the previous (working) version instead of upgrading to a newer one.

 

 

Q2. Data Folder Restoration Timing:-

Yes. The data folder should be restored only after reinstallation is completed on both Active and Standby nodes. This ensures version consistency and avoids metadata or service startup issues.

View solution in original post

1 Reply
Rahul_Kale
Support
Support

Hello iti-attunity-sup,

Thank you for reaching out to the Qlik community.
 

Q1. Failback vs Upgrade Procedure:-
 

Yes. Your understanding is correct. The failback procedure follows the same steps as the upgrade process, with the key difference being that you reinstall the previous (working) version instead of upgrading to a newer one.

 

 

Q2. Data Folder Restoration Timing:-

Yes. The data folder should be restored only after reinstallation is completed on both Active and Standby nodes. This ensures version consistency and avoids metadata or service startup issues.