The following bug has been logged online:

Bug reference: 2045
Logged by: Akio Iwaasa
Email address: a-iwaasa (AT) sol (DOT) dti.ne.jp
PostgreSQL version: 8.0 , 8.1
Operating system: RedHat EL ES 3.0
Description: test_fsync "-f" option
Details:

Dear Sirs,

This is a bug report of fsync test tool
(src/tools/fsync/test_fsync.c), not of
PostgreSQL server.

This tool's "-f filename" option is ignored.
This tool always uses FSYNC_FILENAME
(/var/tmp/test_fsync.out) when open file.

Sincerely yours,
Akio Iwaasa

---------------------------(end of broadcast)---------------------------
TIP 2: Don't 'kill -9' the postmaster

Akio Iwaasa wrote:
Fixed in 8.1.X and CVS HEAD. Thanks for the report.

--
Bruce Momjian | http://candle.pha.pa.us
pgman (AT) candle (DOT) pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

---------------------------(end of broadcast)---------------------------
TIP 5: don't forget to increase your free space map settings