[jira] [Updated] (IGNITE-12531) Cluster is unable to change BLT on 2.8 if storage was initially created on 2.7 or less

["Ivan Rakov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-12531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Rakov updated IGNITE-12531:
--------------------------------
    Attachment: TestBltChangeFail.java

> Cluster is unable to change BLT on 2.8 if storage was initially created on 2.7 or less
> --------------------------------------------------------------------------------------
>
>                 Key: IGNITE-12531
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12531
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.8
>            Reporter: Ivan Rakov
>            Priority: Blocker
>             Fix For: 2.8
>
>         Attachments: TestBltChangeFail.java
>
>
> Due to bug in https://issues.apache.org/jira/browse/IGNITE-10348, after storage migration from 2.7- to 2.8 any updates of metastorage are not persisted.
> S2R:
> (on 2.7)
> - Activate persistent cluster with 2 nodes
> - Shutdown the cluster
> (on 2.8)
> - Start cluster with 2 nodes based on persistent storage from 2.7
> - Start 3rd node
> - Change baseline
> - Shutdown the cluster
> - Start initial two nodes
> - Start 3rd node (join is rejected: first two nodes has old BLT of two nodes, 3rd node has new BLT of three nodes)



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