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https://issues.apache.org/jira/browse/IGNITE-6781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16223617#comment-16223617
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Dmitriy Setrakyan commented on IGNITE-6781:
-------------------------------------------

I do not understand. What currently happens if the persistence is enabled and 
backup count goes from 1 to 2? Does Ignite create an additional copy or does it 
ignore the change?

> Should we prohibit change of backups count if persistence is enabled?
> ---------------------------------------------------------------------
>
>                 Key: IGNITE-6781
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6781
>             Project: Ignite
>          Issue Type: Bug
>      Security Level: Public(Viewable by anyone) 
>          Components: persistence
>    Affects Versions: 2.2
>            Reporter: Andrew Mashenkov
>             Fix For: 2.4
>
>
> For now Ignite allows to change number of backups in CacheConfiguration 
> between grid restarts with persistence enabled. I mean no error will be 
> thrown.
> If user get cache configuration object after restart it will see new 
> configuration,
> but user see restored configuration from persistence in Visor after grid 
> restart.



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