In the last episode (Jul 21), [EMAIL PROTECTED] said:
> On Thu, 18 Jul 2002, Mark W. Krentel wrote:
> > > Dump on a live FS is always risky.  FreeBSD in 4.x and earlier
> > > will have up to about a 30 second delay before a write() makes it
> > > to physical disk.
> 
> Is this regardless of the sync(8) command used ? And if so - what
> does sync(8) actually sync - and which things are taking longer to
> sync ?

On a softupdates-mounted filesytem, all sync does is speed up the
block-flushing clock a bit, I believe.  It doesn't guarantee that
unwritten data is flushed before the call returns.

-- 
        Dan Nelson
        [EMAIL PROTECTED]

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