[Dovecot] NFS cache flush tester

[Adam McDougall]

On Thu, Jul 12, 2007 at 03:39:21AM +0300, Timo Sirainen wrote:

  On Wed, 2007-07-11 at 15:43 -0700, Doug Council wrote:
  > Here are the results for FreeBSD 6.2-RELEASE-p5 and a NetApp NFS server. 
  > FYI, the fcntl errors also appeared on the server instance.
  ..
  > Error: fcntl(setlk, read) failed: Operation not supported
  > Info: Data cache flush fcntl(shared): failed
  > Error: fcntl(setlk, write) failed: Operation not supported
  > Info: Data cache flush fcntl(exclusive): failed
  
  Would you be able to enable lockd and see what these show then?
  

Running rpc.lockd and rpc.statd on FreeBSD 6.2-STABLE #17: Sun Jun 24 22:11:00 EDT 2007
with a NetApp filer as the server, ran 3 times and compared output (same):

Info: Connected: client
Info: O_EXCL works
Info: Testing attribute cache..
Info: Attr cache flush fchown(-1, -1): OK
Info: Attr cache flush fchown(uid, -1): OK
Info: Attr cache flush fchmod(mode): OK
Info: Attr cache flush chown(-1, -1): OK
Info: Attr cache flush chown(uid, -1): OK
Info: Attr cache flush chmod(mode): OK
Info: Testing write flushing..
Info: Write flush no caching: failed
Info: Write flush fcntl(shared): failed
Info: Write flush fcntl(exclusive): failed
Info: Write flush flock(shared): failed
Info: Write flush flock(exclusive): failed
Info: Write flush reopen: OK
Info: Testing data cache..
Info: data cache: Reading EOF requires attribute cache flush
Info: Data cache flush no caching: failed
Info: Data cache flush attr cache: OK
Info: Data cache flush fcntl(shared): failed
Info: Data cache flush fcntl(exclusive): failed
Info: Data cache flush flock(shared): failed
Info: Data cache flush flock(exclusive): failed
Info: Data cache flush dotlock: failed
Info: Data cache flush O_DIRECT: failed