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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-5232) Put a stern README file in log and seg0 directories to warn users of corrpution they will cause if they touch files there
Date Fri, 13 May 2011 17:33:47 GMT
Put a stern README file in log and seg0 directories to warn users of corrpution they will cause
if they touch files there
-------------------------------------------------------------------------------------------------------------------------

                 Key: DERBY-5232
                 URL: https://issues.apache.org/jira/browse/DERBY-5232
             Project: Derby
          Issue Type: Improvement
          Components: Store
    Affects Versions: 10.8.1.2
            Reporter: Kathey Marsden


Users often on bad advice or desperation  touch or delete files in the log or seg0 directories
(mostly log).

I think it would be good for new databases and on upgrade that a file be created in these
directories with a name like:
TOUCHING_FILES_HERE_WILL_CORRUPT_DB_README.txt

or some such to warn of the perils of doing this and the corrupting effects and how it can
eliminate any possibility of salvage. It should also encourage users to make a zip backup
of the database directory with no jvm currently accessing it before trying to do anything
with the database if it appears to be already corrupt.  Also point to backup/restore documentation
and encourage restore of a good backup into an empty directory if the database is corrupt.


I'm not sure if it would help but it couldn't hurt.




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