[jira] [Created] (IGNITE-18195) Improve message for restart after WAL disabled

["Sergey Chugunov (Jira)" <ji...@apache.org>]

Sergey Chugunov created IGNITE-18195:
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             Summary: Improve message for restart after WAL disabled
                 Key: IGNITE-18195
                 URL: https://issues.apache.org/jira/browse/IGNITE-18195
             Project: Ignite
          Issue Type: Improvement
            Reporter: Sergey Chugunov
            Assignee: Sergey Chugunov
             Fix For: 2.15


Currently we have this message

{noformat}
Cache groups with potentially corrupted partition files found. To cleanup them maintenance is needed, node will enter maintenance mode on next restart. Cleanup cache group folders manually or trigger maintenance action to do that and restart the node. Corrupted files are located in subdirectories
{noformat}

The message is not very informative and doesn't provide detailed instructions of how to deal with the situation.
The better message could be:
{noformat}
Ignite node with disabled WAL was stopped in the middle of a checkpoint, data files may be corrupted. Node will stop and enter the Maintenance Mode on next start.
In the Maintenance Mode, use the Control Utility *persistence* command to clean and optionally back up corrupted files. When cleaning is done, restart the node manually.
Possible corruption affects the following cache groups: <list of cache groups>
{noformat}





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