hi I just upgraded test copy of database of our customer (~ 600GB of data). upgrade went fine, no errors. but vacuumdb -azv ended with an error: => vacuumdb --all --analyze -p 6665 vacuumdb: vacuuming database "client_db" vacuumdb: vacuuming database "pg_audit" vacuumdb: vacuuming database "postgres" vacuumdb: vacuuming of database "postgres" failed: ERROR: could not access status of transaction 860626316 DETAIL: Could not open file "pg_clog/0334": No such file or directory. I know we had these kind of errors before, but I thought they all got fixed. What can I do to debug it more? 8.3 was 8.3.16. 8.3.16 is from rpms, 9.1.4 is from source compilation. both have integer datatimes, and both are for 64bit linux. pg_clog contains: -rw------- 1 postgres postgres 262144 Jun 6 21:22 04A4 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04A5 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04A6 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04A7 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04A8 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04A9 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04AA -rw------- 1 postgres postgres 262144 Jun 6 21:22 04AB -rw------- 1 postgres postgres 262144 Jun 6 21:22 04AC -rw------- 1 postgres postgres 262144 Jun 6 21:22 04AD -rw------- 1 postgres postgres 262144 Jun 6 21:22 04AE -rw------- 1 postgres postgres 262144 Jun 6 21:22 04AF -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B0 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B1 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B2 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B3 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B4 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B5 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B6 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B7 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B8 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04B9 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04BA -rw------- 1 postgres postgres 262144 Jun 6 21:22 04BB -rw------- 1 postgres postgres 262144 Jun 6 21:22 04BC -rw------- 1 postgres postgres 262144 Jun 6 21:22 04BD -rw------- 1 postgres postgres 262144 Jun 6 21:22 04BE -rw------- 1 postgres postgres 262144 Jun 6 21:22 04BF -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C0 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C1 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C2 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C3 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C4 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C5 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C6 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C7 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C8 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04C9 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04CA -rw------- 1 postgres postgres 262144 Jun 6 21:22 04CB -rw------- 1 postgres postgres 262144 Jun 6 21:22 04CC -rw------- 1 postgres postgres 262144 Jun 6 21:22 04CD -rw------- 1 postgres postgres 262144 Jun 6 21:22 04CE -rw------- 1 postgres postgres 262144 Jun 6 21:22 04CF -rw------- 1 postgres postgres 262144 Jun 6 21:22 04D0 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04D1 -rw------- 1 postgres postgres 262144 Jun 6 21:22 04D2 -rw------- 1 postgres postgres 196608 Jun 7 00:15 04D3 unfortunately i do not have the 8.3 data dir any more. if the problem is only with postgres database - i can ignore it. but I'd rather be sure what is the source of the issue. Best regards, depesz -- The best thing about modern society is how easy it is to avoid contact with it. http://depesz.com/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general