imap0# ./nfstest 4444 /var/spool/mail/s/c/scorpio/dovecot.out
Info: Connected: client
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 data cache..
Info: data cache: Appends weren't noticed (ret = 0)
Info:  - Attribute cache flush didn't help
Info: data cache (no caching): failed
Info: data cache (attr cache): OK