Re: [HACKERS] 7.0.2 -> 7.0.3 problem - anyone?

Block size can not be changes without dump/reload. If you think it
worked once, you are wrong. Sorry. The page headers have to be written
at the start of every block.

[ Charset ISO-8859-1 unsupported, converting... ]
> I realize it's Sunday night and not many people will be checking their
> email, however I must ask one final time before I take some drastic measures
> (erasing the data directory and initdb 'ing, then restoring the data from
> last night's backup, losing an entire day's worth of data) -- does anyone
> have any ideas on how I might be able to fix the problems outlined below?
>
> I'm nearly positive that I shouldn't have had to dump/restore or initdb
> again, since I made the same changes on another machine with the same
> databases, data and BLCKSZ (an upgrade to 7.0.3 without an initdb or
> anything), which went flawlessly.
>
> Thanks to anyone who could even offer a guess, I've guessed all I can and
> none of my guesses have paid off.. BTW, one might be lead to believe that
> this is a permission problem, it's not, I'm positive of that. The same user
> was accessing the same file seconds before I upgraded, that and the fact
> that I changed permissions to 777 all the way down the tree to make sure..
>
> -Mitch
>
> > You have to dump/initdb/reload if you change the block size. Simply
> > recompiling is not going to work.
> >
> > Cheers...
> >
> >
> > MikeA
> >
> > -----Original Message-----
> > From: Mitch Vincent
> > To: pgsql-hackers(at)postgresql(dot)org
> > Sent: 11-13-00 12:57 AM
> > Subject: [HACKERS] 7.0.2 -> 7.0.3 problem
> >
> > I just upgraded to 7.0.3 and tried to start the backend like
> >
> > /usr/local/pgsql/bin/postmaster -B 256 -o '-S 10240 -s' -D
> > /usr/local/pgsql/data -i > /usr/local/pgsql/postgres.log 2>&1 &
> >
> > .. as I've done with 7.0.2, it failed to start and got this in my
> > postgresql.log :
> >
> > DEBUG: Data Base System is starting up at Sun Nov 12 18:20:04 2000
> > FATAL 2: Read("/usr/local/pgsql/data/pg_control") failed: 2
> > FATAL 2: Read("/usr/local/pgsql/data/pg_control") failed: 2
> > Startup failed - abort
> >
> > The only compilation change I made was to increase BLCKSZ to 32k (which
> > has
> > been running in a production 7.0.2 environment for quite some time).
> >
> > So what's up? Just to make sure I made the permissions 777 all the way
> > down
> > to pg_control but it had no effect.
> >
> > ----
> >
> > Hmm, I just re-installed 7.0.2 and I get the same error with it -- not
> > good.
> >
> > My development server, which is virtually the same, did fine when I
> > installed 7.0.3 so I'm guessing it's not a problem across the board..
> >
> > I also notice in the log that it's
> > Read("/usr/local/pgsql/data/pg_control")
> > that's failing and when I move pg_control out of the way, it's Open()
> > that
> > fails..
> >
> > I did nothing but stop the postmaster, compile and install 7.0.3 and
> > start
> > the postmaster. then compiled and installed 7.0.2 again and all of the
> > sudden the 7.0.2 or 7.0.3 backend doesn't start -- it makes no sense.
> >
> > As always, any help is appreciated. Thanks!
> >
> > -Mitch
> >
>
>

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