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Old 12-29-2006, 06:16 PM
caek caek is offline
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Join Date: Nov 2006
Posts: 12
Original and backup do not match

I've found a few files in a SuperDuper-generated backup that do not match the original. I haven't found an easy way to automate the checking of this (there's a lot of data), so I'm not sure how widespread across this problem is along the backup, but it certainly exists. I'm extremely concerned by this, as there are no errors in SuperDuper's log, and the Smart Copy completes successfully. The backup target is an encrypted, password-protected disk image on an external FW drive). There follows some Terminal output demonstrating this mismatch. I'd welcome any input. While I realise I can delete and regenerate the disk image, I'm reluctant to do so without establishing just what's gone wrong here.

Here's some examples of files which do not match:

otis:mike$ ls -al .aspell.conflrwxr-xr-x 1 mike mike 38 6 Nov 17:37 .aspell.conf -> Library/Preferences/cocoAspell/en.conf
otis:mike$ ls -al /Volumes/iBook\ Users\ Backup/Users/mike/.aspell.conf
lrwxr-xr-x 1 mike mike 38 29 Dec 21:29 /Volumes/iBook Users Backup/Users/mike/.aspell.conf -> Library/Preferences/cocoAspell/en.conf

(Note modification times differ. Not sure if this is a problem.)

otis:mike$ head .aspell.conf
# conf (string)
# main configuration file
# default: aspell.conf

# conf-dir (string)
# location of main configuration file
# default: <prefix:etc> = /usr/local/etc

# data-dir (string)
# location of language data files
otis:mike$ head /Volumes/iBook\ Users\ Backup/Users/mike/.aspell.conf
otis:mike$ [NO OUTPUT -- backup is a binary file!]
otis:mike$ diff .aspell.conf /Volumes/iBook\ Users\ Backup/Users/mike/.aspell.conf
Binary files .aspell.conf and /Volumes/iBook Users Backup/Users/mike/.aspell.conf differ


The backup of this directory of MP3s also does not match: files sizes an modification times match, but the content of all files (except, strangely, Track 6) differ, as shown by diff. Quicktime cannot open the files on the backup.

otis:mike$ ls -al /Users/Shared/Music/The\ Be\ Good\ Tanyas/Hello\ Love/
total 140200
drwxrwxrwx 16 mike wheel 544 21 Dec 01:40 .
drwxrwxrwx 7 mike wheel 238 11 Oct 16:33 ..
-rw-rw-rw- 1 mike wheel 6148 9 Dec 00:55 .DS_Store
-rw-r--r-- 1 mike wheel 5955712 9 Dec 00:57 01 Human Thing.mp3
-rw-r--r-- 1 mike wheel 6629504 9 Dec 00:57 02 For The Turnstiles.mp3
-rw-r--r-- 1 mike wheel 5197952 9 Dec 00:57 03 A Thousand Tiny Pieces.mp3
-rw-r--r-- 1 mike wheel 5130368 9 Dec 00:56 04 Ootischenia.mp3
-rw-r--r-- 1 mike wheel 4214912 9 Dec 00:57 05 A Little Blues.mp3
-rw-r--r-- 1 mike wheel 6807680 9 Dec 00:55 06 Scattered Leaves.mp3
-rw-r--r-- 1 mike wheel 6060160 9 Dec 00:57 07 Hello Love.mp3
-rw-r--r-- 1 mike wheel 5687424 9 Dec 00:57 08 Nobody Cares For Me.mp3
-rw-r--r-- 1 mike wheel 4532352 9 Dec 00:57 09 Out Of The Wilderness.mp3
-rw-r--r-- 1 mike wheel 5634176 9 Dec 00:57 10 Song For R..mp3
-rw-r--r-- 1 mike wheel 6578304 9 Dec 00:57 11 What Are They Doing In Heaven Today.mp3
-rw-r--r-- 1 mike wheel 3682432 9 Dec 00:55 12 Crow Waltz.mp3
-rw-r--r-- 1 mike wheel 5623936 9 Dec 00:44 13 When Doves Cry.mp3
otis:mike$ ls -al /Volumes/iBook\ Users\ Backup/Users/Shared/Music/The\ Be\ Good\ Tanyas/Hello\ Love/
total 140200
drwxrwxrwx 16 mike wheel 544 21 Dec 01:40 .
drwxrwxrwx 7 mike wheel 238 11 Oct 16:33 ..
-rw-rw-rw- 1 mike wheel 6148 9 Dec 00:55 .DS_Store
-rw-r--r-- 1 mike wheel 5955712 9 Dec 00:57 01 Human Thing.mp3
-rw-r--r-- 1 mike wheel 6629504 9 Dec 00:57 02 For The Turnstiles.mp3
-rw-r--r-- 1 mike wheel 5197952 9 Dec 00:57 03 A Thousand Tiny Pieces.mp3
-rw-r--r-- 1 mike wheel 5130368 9 Dec 00:56 04 Ootischenia.mp3
-rw-r--r-- 1 mike wheel 4214912 9 Dec 00:57 05 A Little Blues.mp3
-rw-r--r-- 1 mike wheel 6807680 9 Dec 00:55 06 Scattered Leaves.mp3
-rw-r--r-- 1 mike wheel 6060160 9 Dec 00:57 07 Hello Love.mp3
-rw-r--r-- 1 mike wheel 5687424 9 Dec 00:57 08 Nobody Cares For Me.mp3
-rw-r--r-- 1 mike wheel 4532352 9 Dec 00:57 09 Out Of The Wilderness.mp3
-rw-r--r-- 1 mike wheel 5634176 9 Dec 00:57 10 Song For R..mp3
-rw-r--r-- 1 mike wheel 6578304 9 Dec 00:57 11 What Are They Doing In Heaven Today.mp3
-rw-r--r-- 1 mike wheel 3682432 9 Dec 00:55 12 Crow Waltz.mp3
-rw-r--r-- 1 mike wheel 5623936 9 Dec 00:44 13 When Doves Cry.mp3
otis:mike$ diff /Users/Shared/Music/The\ Be\ Good\ Tanyas/Hello\ Love/ /Volumes/iBook\ Users\ Backup/Users/Shared/Music/The\ Be\ Good\ Tanyas/Hello\ Love/
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/01 Human Thing.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/01 Human Thing.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/02 For The Turnstiles.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/02 For The Turnstiles.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/03 A Thousand Tiny Pieces.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/03 A Thousand Tiny Pieces.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/04 Ootischenia.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/04 Ootischenia.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/05 A Little Blues.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/05 A Little Blues.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/07 Hello Love.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/07 Hello Love.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/08 Nobody Cares For Me.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/08 Nobody Cares For Me.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/09 Out Of The Wilderness.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/09 Out Of The Wilderness.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/10 Song For R..mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/10 Song For R..mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/11 What Are They Doing In Heaven Today.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/11 What Are They Doing In Heaven Today.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/12 Crow Waltz.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/12 Crow Waltz.mp3 differ
Binary files /Users/Shared/Music/The Be Good Tanyas/Hello Love/13 When Doves Cry.mp3 and /Volumes/iBook Users Backup/Users/Shared/Music/The Be Good Tanyas/Hello Love/13 When Doves Cry.mp3 differ
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