[DRBD-user] Re: what does drbd do with fsync?

Joe Buehler jbuehler at spirentcom.com
Wed Dec 6 17:00:44 CET 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Nicolas Bouthors wrote:

> Correct me if I'm wrong but I believe that the whole point of protocol C
> is to wait to the IO on the secondary node to be complete before
> returning success or failure to the local ap calling fsync (or any other
> file operation for that matters).

Does fsync by an app cause *any* change on the part of drbd, or is it just
more disk writes as far as drbd is concerned?
Joe Buehler

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