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Old 08-27-2008, 04:03 PM
rhorer rhorer is offline
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Slow backup to external FW drive

I'm on a PowerBook G4 1.5GHz with 1.25GB of RAM. When I back up one Firewire drive to another Firewire drive with SuperDuper using the 'erase then copy' method, my average copy rate (as reported by SuperDuper) is just under 4 MB/s. When I use 'rsync -aE' from a Terminal.app command line to make that same copy, my speed averages around 18 MB/s. Why might SuperDuper be so much slower?
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