Re: [HACKERS] Corrupt data pages...

2006-04-18 Thread Tom Lane
Kevin Brown [EMAIL PROTECTED] writes: I'll put the files on a web server and post links to them here. You can find them here: https://gazebo.sysexperts.com/~kevin/postgresql AFAICT, the first half of page 73 is OK, but the second half clearly is trashed. In the raw-format dump it does

Re: [HACKERS] Corrupt data pages...

2006-04-18 Thread Kevin Brown
Tom Lane wrote: It's fairly hard to see how that could happen inside Postgres. One can readily imagine bugs that might replace one whole page with another, but there aren't any operations that manipulate half-a-page. On the other hand, if your kernel uses 4K blocksize, this could be

Re: [HACKERS] Corrupt data pages...

2006-04-17 Thread Kevin Brown
Tom Lane wrote: You should at least show the page you think is corrupt. I attempted to send this additional info to the list but I think the message got dropped on the floor by the mailing list software or by the spam filter. I'll put the files on a web server and post links to them here. --

Re: [HACKERS] Corrupt data pages...

2006-04-17 Thread Kevin Brown
I wrote: I attempted to send this additional info to the list but I think the message got dropped on the floor by the mailing list software or by the spam filter. I'll put the files on a web server and post links to them here. You can find them here:

[HACKERS] Corrupt data pages...

2006-04-16 Thread Kevin Brown
Apologies if my previous attempts to post this to the mailing list have actually succeeded, but I've seen no evidence of that... While doing some bugzilla testing, I ran into a data page corruption issue. The symptom was the usual could not access status of transaction bignum. I tracked it

Re: [HACKERS] Corrupt data pages...

2006-04-16 Thread Tom Lane
Kevin Brown [EMAIL PROTECTED] writes: After examining the output of pg_filedump, it became obvious this was a corrupt page issue. What bothers me is the way in which it's corrupt. The corrupt data looks supiciously like the data from different table, or perhaps from an index. In this case,

[HACKERS] corrupt data

2003-07-11 Thread Zeno R.R. Davatz
Hi List Out of some reason our data of our postgresql database has been corrupted. When we try to connect to the database we get: psql: ERROR: _mdfd_getrelnfd: cannot open relation pg_type_oid_index: No such file or directory REINDEX does not work. We get the same error. pgfsck gives us: