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Reader Question: Carbon Copy Cloner and File Integrity

IntegrityChecker (simple GUI plus command line tool) is a must-have utility for data integrity that is part of diglloydTools.

Andrew Bwrites:

Out of curiosity, do have you ever run into IntegrityChecker discrepancies when using Carbon Copy Cloner to create backups?

MPG: No issues with Carbon Copy Cloner, as seen below in verifying 5.2TB of data just today.

diglloydMP:MPG lloyd$ ic verify Archive
IntegrityChecker(tm) v1.2.3 64-bit, diglloydTools 2.2.14, 2016-03-28 13:13
Copyright 2006-2016 DIGLLOYD INC. All Rights Reserved
Use of this software requires a license. See https://macperformanceguide.com/Software-License.html
OS X 10.11.6, 16 CPU cores, 65536MiB memory
2016-07-19 at 15:38:59072
Using threads = 6, read buffer size = 4096K, num buffers = 36
Looking for files in "/Volumes/Archive"...
1000...2000...  ... 229000...230000...231000...232000...Seconds to scan files: 4.54
232953 files found in 4.54 seconds.
Scanning 14521 folders for .ic files...100...200... ... 14400...14500...14521 hash-data files read in 97.67 seconds.
Selecting files for hashing...
Preparing to hash 218277 files...
Files prepared, hashing 218277 files...
0%:     19 files @ 722.0MiB/sec, processed 761.7 MiB
0%:     39 files @ 750.6MiB/sec, processed 1.52 GiB
0%:     57 files @ 755.3MiB/sec, processed 2.28 GiB
0%:     76 files @ 761.7MiB/sec, processed 3.05 GiB
0%:     97 files @ 754.3MiB/sec, processed 3.79 GiB
...
100%: 218233 files @ 697.9MiB/sec, processed 5.03 TiB
100%: 218258 files @ 697.9MiB/sec, processed 5.03 TiB
100%: 218267 files @ 697.9MiB/sec, processed 5.03 TiB
Finished reading 218277 files of 218277
100%: 218277 files @ 697.9MiB/sec, processed 5.04 TiB
100%: 218277 files @ 697.8MiB/sec, processed 5.04 TiB
Processed 5.04 TiB in 7567.1 seconds @ 697.8MB/sec
===================================================
ic verify Archive
2016-07-19 at 17:46:51947
===================================================
# Files with stored hash: 218277
# Files missing: 0
# Files hashed: 218275
# Files without hashes: 0
# Files whose size has changed: 0
# Files whose date changed: 0
# Empty files: 2
================
/Volumes/Archive/2016-0606-TripPhotos/LeicaSL/2016-0606-LeicaSL-WhiteMountains/LeicaSL-vs-M240-35mm-GraffitiInterior/LeicaSL/:
LeicaSLA.textClipping
/Volumes/Archive/2016-0606-TripPhotos/LeicaSL/2016-0608-LeicaSL-WhiteMountains/LeicaSL24_90-aseries-45mm-BristleconeLogOnHillside/:
D1000334-CORRUPT.DNG
# Files whose content changed (same size): 0
# Suspicious files: 0

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