Upgrade 21.10.2 (CentOS 7) to 24.04.4 (AlmaLinux 9)
No graph was generated until executing:
Administration > Parameters > Data > Actions > Rebuild RRD Database
![](https://uploads-eu-west-1.insided.com/centreon-en/attachment/2bb85316-2ed2-45d8-b469-5f0549c5247a.png)
Upgrade 21.10.2 (CentOS 7) to 24.04.4 (AlmaLinux 9)
No graph was generated until executing:
Administration > Parameters > Data > Actions > Rebuild RRD Database
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