On Jul 7, 2009, at 2:35 PM, Neil Schemenauer wrote:

> On Tue, Jul 07, 2009 at 01:46:33PM -0400, Binger David wrote:
>> I don't understand why splitting would be better than using
>> the --append flag on rsync.
>
> The --append flag does not handle a packed database. I suppose you
> could create a script that detected a pack and called rsync without
> the --append flag in that case.

I think that is what the script I posted here does.
It checks the time and inode on the .prepack file instead of the
database file itself.  When those change, you know that
a pack has been completed.

>
>> If, in addition to the inode number, you watch for changes in the
>> ctime of the file and/or the .prepack file, I think you could
>> avoid the possibility of an inode number being the same in a
>> twice-packed  file.
>
> I don't see how that is bullet-proof either. The ctime changes at
> least as fast as mtime. My solution works 100% as long as the
> pack interval is longer than the time between splits.

I think that is why my script uses the .prepack file, and
I think it works for any pack interval.