Re: Disaster! - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Disaster!
Date
Msg-id 4168.1074892389@sss.pgh.pa.us
Whole thread Raw
In response to Re: Disaster!  (Christopher Kings-Lynne <chriskl@familyhealth.com.au>)
Responses Re: Disaster!  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
Christopher Kings-Lynne <chriskl@familyhealth.com.au> writes:
> Are you interested in real backtraces, any of the old data directory, 
> etc. to debug the problem?

If you could recompile with debug support and get a backtrace from the
panic, it would be helpful.  I suspect what we need to do is make the
clog code more willing to interpret a zero-length read as 8K of zeroes
instead of an error, at least during recovery.  But I kinda thought
there was such an escape hatch already, so I want to see exactly how
it got to the point of the failure.

Also, which PG version are you running exactly?

> Obviously it ran out of disk space, but surely postgres should be able 
> to start up somehow?

See the response I'm about to write to Mart�n.
        regards, tom lane


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