You need to use shadow copies to create a drive you can use with rsync, or
you have to take Exchange offline. You can use vshadow.exe (use version
3.0) to create the shadow copy and then expose it as a drive. Then use
rsync to sync this point-in-time backup to your offsite location across an
ssh tunnel. vshadow with the -w option means it will tell the Exchange
writer to create a consistent backup so you won't have problems with
recovery.

There is plenty of documentation on how to use vshadow to expose a shadow
copy as a drive. When using rsync to send it offsite be sure to use the -I
option since the date/time option of the exchange edb file will not
necessarily change.

You can also use betest (VSS SDK) to truncate logs periodically and use the
-I option only when you truncate the logs. The rest of the time you will
get the logs and you can do a soft recovery against your edb in the event of
a disaster. If you truncate logs or use circular logging you have to use -I
to force a sync even if the date/time has not changed.

Rob

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