root@mail:/usr/lib/postgresql/8.2/bin$ sudo ./pg_controldata /home/postgres/data
WARNING: Calculated CRC checksum does not match value stored in file.
Either the file is corrupt, or it has a different layout than this program
is expecting. The results below are untrustworthy.
pg_control version number: 72
Catalog version number: 200310211
Database system identifier: 10426906430121548809
Database cluster state: shut down
pg_control last modified: Mon 11 Feb 2008 22:14:51 EST
Current log file ID: 36
Next log file segment: 114
Latest checkpoint location: 24/71AA6FA4
Prior checkpoint location: 24/71AA6F64
Latest checkpoint's REDO location: 24/71AA6FA4
Latest checkpoint's UNDO location: 0/0
Latest checkpoint's TimeLineID: 295
Latest checkpoint's NextXID: 551530729/1078375
Latest checkpoint's NextOID: 1202728489
Latest checkpoint's NextMultiXactId: 8192
Latest checkpoint's NextMultiOffset: 131072
Time of latest checkpoint: Thu 01 Jan 1970 10:01:04 EST
Minimum recovery ending location: 20/1
Maximum data alignment: 128
Database block size: 0
Blocks per segment of large relation: 0
WAL block size: 0
Bytes per WAL segment: 0
Maximum length of identifiers: 0
Maximum columns in an index: 0
Date/time type storage: floating-point numbers
Maximum length of locale name: 0
LC_COLLATE:
LC_CTYPE: