sync delay and consitency
freebsd-questions-local at be-well.ilk.org
Wed Nov 26 06:18:05 PST 2003
Ion-Mihai Tetcu <itetcu at apropo.ro> writes:
> I have a machine that randomly crashes. I wonder if lowering
> Variable Default Description
> kern.filedelay 30 time to delay syncing files
> kern.dirdelay 29 time to delay syncing directories
> kern.metadelay 28 time to delay syncing metadata
> would help having a more up-to-date fs (using soft-updates).
It might. This may depend on *why* it's crashing, so I'd try
attacking that problem first.
> Also is there a reason for the 30-29-28 (the 1 differece between)
> sequence ?
I'd speculate that it's to keep the three cycles from synchronizing
with each other (which they would tend to do if they were repeating
with the same period).
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