Re: soft updates and qmail (RE: qmail IO problems)

[Matt Dillon]

:I do. Is it safe there as well (from your point of view)?
:
:-- 
:Andre

    Yes.  In general softupdates will make the entire filesystem safer.
    The commit sequencing doesn't match what qmail expects, but there
    are so many fsyncs going on that the absolute worse that can happen
    in a crash is a just-deleted queue file showing up in the queue
    directory after crash recovery.  And, really, qmail shouldn't be
    making assumptions about system calls committing operations to disk
    synchronously.  Very few modern filesystems actually do that... FFS
    (without softupdates) is one of the last ones.

                                        -Matt



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