Your clients don't keep local copies of files??? That is not a good thing. I hope you charge your clients to backup their data if they are so clueless not to keep local backups of files...most ISPs charge to conduct backups, mine charges $75.00 to conduct a normal backup (per hour).

Also based on your recent threads about backing up data, seems to me like you do not have a backup tape drive and automated backup program...you should consider investing in a more robust backup system (rather than creating tar.gz or zip files of sites you host). Because using a tape drive and backup program, you can automate a restoration process and not go through the manual pains you have experienced.

Just my opinion...

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Buh Bye!

Cheers,
Me