Problem solved.
The sysadmins yesterday forgot to mention to me
that they didnt mount correctly all the file systems
(including the one of pg_xlog).
Sorry for the noise :-)
O Achilleus Mantzios έγραψε στις Apr 14, 2006 :
>
> Hi, we have happily been running postgresql 7.4.x (currently 7.4.12) on a
> debian linux with kernel 2.4.x for some years without any issues.
> Yesterday after switching to 2.6.16 we experienced the following problem
> upon pgsql startup:
>
> LOG: could not open file "/var/lib/pgsql/data/pg_xlog/0000006900000091"
> (log file 1 05, segment 145): No such file or directory
> LOG: invalid primary checkpoint record
> LOG: could not open file "/var/lib/pgsql/data/pg_xlog/0000006900000091"
> (log file 1 05, segment 145): No such file or directory
> LOG: invalid secondary checkpoint record
> PANIC: could not locate a valid checkpoint record
> LOG: startup process (PID 414) was terminated by signal 6
> LOG: aborting startup due to startup process failure
>
> After reverting back to kernel 2.4, postgresql started up hapilly again.
>
> Any ideas?
>
--
-Achilleus