| From: | Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | Greg Smith <greg(at)2ndQuadrant(dot)com>, Simon Riggs <simon(at)2ndQuadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Enabling Checksums |
| Date: | 2012-12-17 14:42:28 |
| Message-ID: | m2sj74zqnf.fsf@2ndQuadrant.fr |
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| Lists: | pgsql-hackers |
Jeff Davis <pgsql(at)j-davis(dot)com> writes:
>> -A relation name
>> -Corruption type (an entry from this list)
>> -How many blocks to touch
>>
>> I'll just loop based on the count, randomly selecting a block each time
>> and messing with it in that way.
For the messing with it part, did you consider zzuf?
> Does it make sense to have a separate executable (pg_corrupt) just for
> corrupting the data as a test? Or should it be part of a
> corruption-testing harness (pg_corruptiontester?), that introduces the
> corruption and then verifies that it's properly detected?
Maybe we need our own zzuf implementation, though.
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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