PostgreSQL Cannot Start DB Service

Postgres cannot be started up, a file in pg_xlog was deleted, filename 000000010000000100000077

Err shown in $PGDATA/pg_log

2010-12-30 15:59:04 MYT LOG: database system was interrupted; last known up at 2010-12-30 12:19:37 MYT

2010-12-30 15:59:04 MYT LOG: could not open file "pg_xlog/000000010000000100000077" (log file 1, segment 119): No such file or directory

2010-12-30 15:59:04 MYT LOG: invalid primary checkpoint record

2010-12-30 15:59:04 MYT LOG: could not open file "pg_xlog/000000010000000100000077" (log file 1, segment 119): No such file or directory

2010-12-30 15:59:04 MYT LOG: invalid secondary checkpoint record

2010-12-30 15:59:04 MYT PANIC: could not locate a valid checkpoint record

2010-12-30 15:59:04 MYT LOG: startup process (PID 15605) was terminated by signal 6: Aborted

2010-12-30 15:59:04 MYT LOG: aborting startup due to startup process failure

Solution:

/opt/Postgresql/8.4/bin/pg_resetxlog -f $PGDATA