In message <200006152118.RAA26602@ghost.whirlpool.com>, Andrew Gillham writes:
>Under the Qmail FAQ there is question of reliability.  It says not
>to use softupdates with qmail.  Why is this a problem?  I thought
>that that all filesystem operations were guaranteed to be safe by
>the "ordered" nature of soft updates?

"safe", yes, but there's no promise that a given write will have actually
taken place physically in the event of a crash, only that the set of writes
which has happened is expected to be consistent.  qmail may be depending on
certain operations being really-synchronous.

-s