[mmurray]

Hi

For the first time ever in years of happy use SD is doing Smart Update on a 2 week old clone and behaving as if everything as changed. Only 150MB is regarded as up to date. I am going to just let it run but was wondering what might cause this ? How does SD determine if a file has changed ? Is it modification date ?

MacBookPro, 10.6.6, SD 2.6.2

Beginning of log looks like

| 09:05:10 PM | Info | SuperDuper!, 2.6.2 (87), path: /Applications/SuperDuper!.app, Mac OS 10.6.6 build 10J567 (i386)
| 09:05:10 PM | Info | Started on Thu, Mar 3, 2011 at 9:05 PM
| 09:05:10 PM | Info | Source Volume: Macintosh HD, mount: /, device: /dev/disk0s2, media: Hitachi HTS545032B9SA02, interconnect: Internal SATA, file system: "Journaled HFS+", OS: 10.6.6 (10J567), capacity: 319.73 GB, used: 169.76 GB, directories: 270158, files: 1720751, ejectable: NO, ACLs: Enabled
| 09:05:10 PM | Info | Target Volume: My Passport, mount: /Volumes/My Passport, device: /dev/disk1s2, media: WD 3200BEV External, interconnect: External USB, file system: "Journaled HFS+", OS: 10.6.6 (10J567), capacity: 319.73 GB, used: 167.60 GB, directories: 269596, files: 1718011, ejectable: YES, ACLs: Enabled
| 09:05:10 PM | Info | Copy Mode : Smart Update
| 09:05:10 PM | Info | Copy Script : Backup - all files.dset
| 09:05:10 PM | Info | Transcript : BuildTranscript.plist
| 09:05:11 PM | Info | PHASE: 1. Prepare to Copy Files
| 09:05:11 PM | Info | ...ACTION: Preparing Macintosh HD
| 09:05:11 PM | Info | ......COMMAND => Verifying the integrity of volinfo.database
| 09:05:11 PM | Info | volinfo.database OK
| 09:05:11 PM | Info | ......COMMAND => Enabling permissions on Macintosh HD
| 09:05:11 PM | Info | Refreshing Disk Arbitration ...
| 09:05:12 PM | Info | ......COMMAND => Verifying that permissions are enabled for Macintosh HD
| 09:05:12 PM | Info | Permissions on '/' are enabled.
| 09:05:12 PM | Info | ...ACTION: Repairing permissions on Macintosh HD

etc, etc

Thanks - Michael

PS: Is there any reason not to just keep smart updating a clone for years or should it be periodically erased and done again ?