pg_dump question

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От Srinivas Iyyer
Тема pg_dump question
Дата
Msg-id 20060807131225.33009.qmail@web38113.mail.mud.yahoo.com
обсуждение исходный текст
Ответы Re: pg_dump question -- did I delete my database -- please help -- urgent  (Srinivas Iyyer <srini_iyyer_bio@yahoo.com>)
Список pgsql-admin
*** Apologies for re-posting this e-mail ****

Dear group,
I have a strange problem. apologies if this is the
wrong place, however as a first option i am posting
here. I have to subscribe to other special mailing
lists.


I have two databases in my system.

In firstdb i am having the following problem:
firstdb=# \d targets
ERROR:  could not access status of transaction 362
DETAIL:  could not open file
"/var/lib/pgsql/data/pg_clog/0000": No such file or
directory

when I vacuumed it:
$ vacuumdb firstdb
vacuumdb: vacuuming of database "firstdb" failed:
ERROR:  could not access status of transaction 11
DETAIL:  could not open file
"/var/lib/pgsql/data/pg_clog/0000": No such file or
directory



Second problem:

Issue with secondb - arraydb



$ vacuumdb arraydb
VACUUM

Suspecting there is something going on with postgres,
I wanted to take a backup of the arraydb.

here is what I am doing:

$ sudo pg_dump arraydb > arraydb_bcup_Aug_05_2006.dump

$ ls -lh
total 8.0K
-rw-r--r--  1 speri postgres 0 Aug  5 20:17
arradb_bcup_Aug_05_2006.out


There is nothing in this. I created dumps long back
and they are heavy.

what could be the problem in the cases of first and
second problems.

looking forward to hear from experts eagerly.

Thanks

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