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Categories CrashPlan for Enterprise CrashPlan for Small Business Announcements
Release notes Terms and conditions
 1. Documentation
 2. CrashPlan for Small Business
 3. Troubleshooting


UNABLE TO BACK UP FILES WITH CRASHPLAN FOR SMALL BUSINESS (MAC)

Updated 3 months ago



OVERVIEW

Never reaching 100% backed up is a key indicator that the CrashPlan app cannot
back up one or more files. This troubleshooting article describes how to
identify files included in your file selection that cannot be backed up on a
Mac.

This article focuses on problems with individual system files not backing up. If
your personal files are not backing up, it may be due to Apple privacy
restrictions introduced in macOS Catalina 10.15 and macOS Mojave 10.14.
See macOS not backing up files with personal data in CrashPlan for Small
Business for more details.


AFFECTS

CrashPlan app running on a Mac


UNDER THE HOOD

Typically, when files fail to back up on a Mac, it's due to the type of files
selected for back up. Many of the files that cannot back up are located in the
following folders:

 * /Library
 * /System
 * /Applications
 * /Users/<User>/Library

Files located in these folders contain system files that your device needs to
operate. The CrashPlan app is designed to back up and restore personal files,
not system and application files. If your backup file selection includes these
locations, it could interfere with the priority your crucial files are backed
up.

For example, files found in your Library folder are mostly temporary or cache
files. The CrashPlan app prioritizes the most recently changed files first. This
causes the CrashPlan app to spend too much time trying to keep up with
constantly changing cache files (like your web browser cache). This can hinder
the progress of more important files you truly want backed up.


DIAGNOSE

You can use either of the methods below to identify which files are failing to
back up.


DETERMINE WHAT'S NOT BACKING UP (BASIC)

 1. Open the Finder.
 2. Press Command+Shift+G, and paste the following file path into the dialog:
    * Installed for everyone: /Library/Logs/CrashPlan
    * Installed per user: ~/Library/Logs/CrashPlan
 3. Press Enter.
 4. Open the backup_files.log.0 file with TextEdit.

This document lists every file that the CrashPlan app has backed up. However,
any log lines beginning with a "W" signify a file the CrashPlan app wasn't able
to back up at that time.


DETERMINE WHAT'S NOT BACKING UP (ADVANCED)

 1. Open Terminal.
 2. Enter the following command. This command lists any file that failed to back
    up with the CrashPlan app:
    * Installed for everyone: grep "^W"
      /Library/Logs/CrashPlan/backup_files.log.0 | less
    * Installed per user: grep "^W" ~/Library/Logs/CrashPlan/backup_files.log.0
      | less 


RECOMMENDED SOLUTION

Modify the file selection to include only personal files.

Prev Unable to back up files on Windows devices (Small Business) Next Unable to
back up files with CrashPlan for Small Business (Linux)

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TABLE OF CONTENTS

Unable to back up files with CrashPlan for Small Business (Mac)
 * Unable to back up files with CrashPlan for Small Business (Mac)
 * Overview
 * Affects
 * Under the hood
 * Diagnose
 * Determine what's not backing up (basic)
 * Determine what's not backing up (advanced)
 * Recommended solution


ARTICLES IN THIS SECTION

 * Add a cloud destination (Small Business)
 * Adjust app settings for memory usage with large backups (Small Business)
 * Assign your computer a new ID (Small Business)
 * Can't find files after replacing a device using (Small Business)
 * Cannot connect to background service (Small Business)
 * Cannot connect to destination (Small Business)
 * Cannot open app due to uncaught exception error (Small Business)
 * Check the status of your backup (Small Business)
 * Clear the app cache (Small Business)
 * Combine email reports (Small Business)

See more
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