> Carsten Otte wrote:
>> Wrong. Due to caching, as correctly described by David Boyes, the
>> system may change on-disk content even when the application is not
>> running. Example: the syslogd generates a "mark" every 20 minutes.

John Summerfied wrote:
> syslogd's mark message has nothing to do with caching.
>
> According to its man page, "sync forces changed blocks to disk, updates
> the super block."
>
> If you don't believe (or trust) that, then "mount -o remount" is your
> friend.
You missed my point: From the file system perspective, a snapshot of
an ext3 is _always_ consistent. No need to do remount, sync, shutdown
of application or shutdown of the entire system.

regards,
Carsten

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