Labels:book | bulletin board | chat room | earth | poster | reckoner | sky | windowpane OCR: On first consideration it would seem unlikely that, with thousands JO allocation blocks the physical defects of the source disk would coincide with those of the destination. This may not be as unlikely as it seems since the Disk Initial lization Manager marks whole track as bad if the track is found to contain single bad sector But, say that you have two volumes, VolA: and "VolB and wish to backup VolA: to VolB: every week Initially VolA: is dirty and VolB: is clean The first time you backup VolA: Copy Thru notes that VolB: is clean, performs the operation, and dirties VolB: with faux bad blocks The next week you want to backup VolA to VolB: aqain The bad -blocks of VolA: and VolB: happen to coincide precisely and CopyThru can proceed Limitations CopyThru duplicates HFS volumes Not disks. ...
