About this tag
The cluster check tag on WindowsForum.com covers discussions about verifying file integrity and identifying corruption in large files, often using NTFS cluster analysis or binary comparison tools like fc /b. Topics include checking NTFS clusters for specific files, using CRC32 hashes or alternate data streams, and determining which copy of a file is valid after a failed copy operation. The tag is relevant for users troubleshooting data corruption on Windows systems, particularly with large files and external drives.
  1. P

    Windows 7 How to verify the integrity of a file? 1 of 2 files is corrupt

    Assume I have a certain huge (> 2 GB) file and a second backup version of it on an external hard disk. Both have exactly the same size and dates. However when I compare them binary at the cmdprompt simplified with fc /b D:\myfile123.enc H:\myfile123.enc Then there are somewhere differences...
    • pstein
    • Thread
    • backup binary comparison cluster check command prompt copy issues corruption crc32 data loss data recovery data verification error checking external drive file comparison file integrity file management file size file system ntfs troubleshooting
    • Replies: 1
    • Forum: Windows Help and Support