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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