Khangelani Gama <[email protected]> writes:
> Please bear with us we are in process of upgrade but many servers are still
> using version 7.3.4 of PostgreSQL running on RedHat5
Egad...
> A certain table seems to be corrupt when trying to select everything from
> this table, it throws out an error. See the error below
> db0303=# SELECT count(*) from hp_tran;
> ERROR: cannot read block 15157 of hp_tran: Success
This probably indicates that the table has been truncated in mid-block,
ie the file isn't a multiple of 8K long. Recent versions of PG would
give you a message that made that clearer, but I don't think 7.3 will.
You could try using dd to pad the file out to the next 8K boundary
(with zeroes), but I expect you'll find that the data on that page
is trashed and you'll have to truncate it away instead in order to not
get errors.
> There is no problem with the disc
If the underlying OS is as unmaintained as the database is, you might
well be encountering kernel bugs :-(
regards, tom lane
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