Due to Hard disk space issue on the WAL partition, database was down , When I am going to start postgres again ,got following error message This DB is grater than 1 TB restore will take long time , any other way other than pg_resetxlog ? Nov 14 04:32:41 dbname postgres[4384]: [2-1] 2011-11-14 04:32:41.423 EST 4384 LOG: invalid record length at 500C/5EFFF2B8 Nov 14 04:32:41 dbname postgres[4384]: [3-1] 2011-11-14 04:32:41.423 EST 4384 LOG: invalid primary checkpoint record Nov 14 04:32:41 dbname postgres[4384]: [4-1] 2011-11-14 04:32:41.423 EST 4384 LOG: invalid resource manager ID in secondary checkpoint record Nov 14 04:32:41 dbname postgres[4384]: [5-1] 2011-11-14 04:32:41.423 EST 4384 PANIC: could not locate a valid checkpoint record Nov 14 04:32:41 dbname postgres[4383]: [1-1] 2011-11-14 04:32:41.424 EST 4383 LOG: startup process (PID 4384) was terminated by signal 6: Aborted Nov 14 04:32:41 dbname postgres[4383]: [2-1] 2011-11-14 04:32:41.424 EST 4383 LOG: aborting startup due to startup process failure pg_controldata : Result is pg_control version number: 843 Catalog version number: 200904091 Database system identifier: 5404099570172901375 Database cluster state: in production pg_control last modified: Mon 14 Nov 2011 01:02:51 AM EST Latest checkpoint location: 500C/5EFFF2B8 Prior checkpoint location: 500C/5EFFF270 Latest checkpoint's REDO location: 500C/5EFFF2B8 Latest checkpoint's TimeLineID: 10000 Latest checkpoint's NextXID: 1/2784291602 Latest checkpoint's NextOID: 63034795 Latest checkpoint's NextMultiXactId: 1658683101 Latest checkpoint's NextMultiOffset: 3632122117 Time of latest checkpoint: Mon 14 Nov 2011 01:02:51 AM EST Minimum recovery ending location: 0/0 Maximum data alignment: 8 Database block size: 8192 Blocks per segment of large relation: 131072 WAL block size: 8192 Bytes per WAL segment: 16777216 Maximum length of identifiers: 64 Maximum columns in an index: 32 Maximum size of a TOAST chunk: 1996 Date/time type storage: 64-bit integers Float4 argument passing: by value Float8 argument passing: by value -- View this message in context: http://postgresql.1045698.n5.nabble.com/Database-corruption-tp4990279p4990279.html Sent from the PostgreSQL - admin mailing list archive at Nabble.com. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin