power failure....

How do I restart the following with some level of sanity?

2007-11-30 19:35:20 EST LOG:  could not load root certificate file
"root.crt": no SSL error reported
2007-11-30 19:35:20 EST DETAIL:  Will not verify client certificates.
2007-11-30 19:35:20 EST LOG:  database system was interrupted at
2007-11-27 09:08:44 EST
2007-11-30 19:35:20 EST LOG:  record with zero length at 0/40808BA0
2007-11-30 19:35:20 EST LOG:  invalid primary checkpoint record
2007-11-30 19:35:20 EST LOG:  record with zero length at 0/407C9628
2007-11-30 19:35:20 EST LOG:  invalid secondary checkpoint record
2007-11-30 19:35:20 EST PANIC:  could not locate a valid checkpoint
record
2007-11-30 19:35:20 EST LOG:  startup process (PID 8755) was
terminated by signal 6
2007-11-30 19:35:20 EST LOG:  aborting startup due to startup process
failure


postgres version 8.2 sitting on a Reiser FS on RAID1....

I'm not finding much on the web other than bad news...