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https://issues.apache.org/jira/browse/DERBY-5232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497747#comment-13497747
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Kathey Marsden commented on DERBY-5232:
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Hi Mamta,

I have not had a chance to look closely and won't until I get 10.8.3 out. I 
have some cosmetic comments but can file a new issue once I get them together. 
I can just file a new issue if preferrable.    The most significant is:
I would like to change
README_DONT_TOUCH_FILES.txt to
README_DO_NOT_TOUCH_FILES.txt

The contraction without an appostrophy is bothersome and since I am guessing 
the file name is not localized, having separate words will be more clear to 
non-English readers.

I think it would be good for Kim to review the text.  I will sign up to buddy 
test this feature for 10.10. Thank you so much for putting this warning to 
users in Derby!




                
> 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
>            Assignee: Mamta A. Satoor
>             Fix For: 10.10.0.0
>
>         Attachments: DERBY5232_patch1_diff.txt, DERBY5232_patch1_stat.txt, 
> DERBY5232_patch2_diff.txt, DERBY5232_patch2_stat.txt, 
> DERBY5232_patch3_diff.txt, DERBY5232_patch3_stat.txt, 
> DERBY5232_patch4_diff.txt, DERBY5232_patch4_stat.txt, 
> DERBY5232_patch5_diff.txt, DERBY5232_patch5_stat.txt, 
> DERBY5232_patch6_diff.txt, DERBY5232_patch6_stat.txt, 
> DERBY5232_patch7_diff.txt, DERBY5232_patch7_stat.txt, 
> DERBY5232_test_patch1_diff.txt, DERBY5232_test_patch1_stat.txt, 
> DERBY5232_test_patch2_diff.txt, DERBY5232_test_patch2_stat.txt
>
>
> 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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