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https://issues.apache.org/jira/browse/IGNITE-7278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16332039#comment-16332039
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Ilya Kasnacheev commented on IGNITE-7278:
-----------------------------------------

We have located at least one reason for "Failed to get page IO instance" errors:
{code:java}
Failed to get page store for the given cache ID (cache has not been started): 
-244919260
 at 
org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.getStore(FilePageStoreManager.java:619)
 at 
org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.read(FilePageStoreManager.java:272)
 at 
org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.read(FilePageStoreManager.java:259)
 at 
org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.acquirePage(PageMemoryImpl.java:613){code}
There looks to be 2 thing wrong:
 * Insufficient locking on cache delete.
 * Exceptions in acquirePage leading to data corruption on disk.

> Node failed to recover partition from WAL on unstable topology
> --------------------------------------------------------------
>
>                 Key: IGNITE-7278
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7278
>             Project: Ignite
>          Issue Type: Bug
>          Components: persistence
>            Reporter: Andrew Mashenkov
>            Assignee: Dmitriy Govorukhin
>            Priority: Blocker
>             Fix For: 2.4
>
>         Attachments: page_corrupted2.tar.gz
>
>
> The use case is:
> -Grid with partitioned cache with 2 backups (or replicated)
> -Node-1 is killed in the middle of checkpoint and started again.
> -Node-1 detects unfinished checkpoint and tries to recover it.
> -At this point Node-2 is killed while node-1 recovering is in progress.
> -Node-1 fails with AssertionError.
> PFA logs, parsed WAL, reproducer.
> Can be reproduced with IgnitePdsContinuousRestartTest with minor changes,
> we have to have 2 nodes flapping and kill nodes ungracefully.



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