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Seen two times in 10.0 trees also:
http://buildbot.askmonty.org/buildbot/reports/cross_reference#branch=&revision=&platform=&dt=&bbnum=&typ=&info=&fail_name=rpl.rpl_gtid_crash&fail_variant=&fail_info_short=&fail_info_full=database+page+corruption+or+a+failed&limit=100
The warning in the error log looks like this:
141123 12:47:54 [Note] InnoDB: Restoring possible half-written data pages
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141123 12:47:54 [Note] InnoDB: from the doublewrite buffer...
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InnoDB: Warning: database page corruption or a failed
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InnoDB: file read of space 6 page 3.
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InnoDB: Trying to recover it from the doublewrite buffer.
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141123 12:47:54 [Note] InnoDB: Recovered the page from the doublewrite buffer.
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So there is a half-written page, but it is recovered correctly from the
double-write buffer. Since we deliberately crash the server in the test case,
half-written pages is not unexpected. So I added a suppression for this
warning in the test case.
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