postgresql启动错误

azhoulinux

azhoulinux@debianer:/opt/postgresql/bin$ ./postmaster -D /opt/postgresql/data/
LOG:  database system was shut down at 2006-05-17 16:52:53 CST
LOG:  record with zero length at 0/35EA60
LOG:  invalid primary checkpoint record
LOG:  record with zero length at 0/35EA1C
LOG:  invalid secondary checkpoint record
PANIC:  could not locate a valid checkpoint record
LOG:  startup process (PID 6443) was terminated by signal 6
LOG:  aborting startup due to startup process failure
问为什么？谢了

cg111

估计是磁盘文件错误，看看wal文件是否完整。