> We have been doing a massive restructuring on our mail systems
> and were doing a great job keeping it completely transparent to
> our users...Until it came to the bulletins directory. During the
> move, the dbm became corrupt and since qpopper couldn't open the
> dbm, it refused to let our users pop their mail.
dbm files historically are 'sparse', meaning the OS will
compress a file if it is filled with zeros. The S option on
tar 1.12 is supposed to copy sparse files properly, BUT DOESN'T.
You can tell because the new file is smaller than the old
file according to the ls command.
We lost hundreds of dbms in the past week due to this problem.
Homer
