When comparing CrashPlan vs Déjà Dup, the Slant community recommends Déjà Dup for most people. In the question“What are the best backup programs for Linux?” Déjà Dup is ranked 4th while CrashPlan is ranked 14th. The most important reason people chose Déjà Dup is:
The program's interface has 4 tabs - overview, storage, folders and schedule. You select where to back up in "storage", what folders to back up and ignore in "folders" and how often to back up in "schedule." Overview displays all these settings and offers a choice of backing up and restoring.
Specs
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Pros
Pro Unintrusive
You set it up once and from then it runs in the background whenever you are not using your computers (or at specified times).
Pro Supports multiple backup destinations
You can set up different files/folders to back up to specific places.
Pro Differential and incremental file backup
CrashPlan updates only that part of the file that has changed, saving bandwidth and time.
Pro Unlimited online storage
The $5/mo individual plan and the $12.50/mo family plan gets you unlimited cloud storage.
Pro Allows custom encryption keys
Custom 448 bit user-provided encryption key can be used to encrypt the backed up data in the cloud.
Pro Users can order a physical copy of their data
They will send you an external hard drive to your house.
Pro Unlimited revision history
CrashPlan saves all previous versions of a file.
Pro Straightforward interface
The program's interface has 4 tabs - overview, storage, folders and schedule. You select where to back up in "storage", what folders to back up and ignore in "folders" and how often to back up in "schedule." Overview displays all these settings and offers a choice of backing up and restoring.
Pro Can back up to any server that Nautilus can connect to
You can connect to both physically connected devices as well as devices that are available over FTP, SSH, as long as Nautilus can connect to them.
Pro Available on Ubuntu by default
For people using Ubuntu, this is already installed.
Cons
Con Buggy
Con Home edition discontinued
CrashPlan's home edition will be shut down on October 23, 2018. They are no longer accepting new signups or subscription renewals.
Con Popular features (local backup and trusted offsite backup) no longer available
Con Heavy client
The BackupClient is based on Java and therefore a lot more memory-intensive than most other backup solutions
Con Buggy
Con Backend provider choices recently removed
As of version 42, support for backup to Amazon S3, Google Cloud Storage, Openstack Swift, Rackspace, etc has been removed entirely. Google Drive is the default and seemingly only option.
Con No way to set limitations on how much disk space the application should use
The program will use up all available disk space for backups. There's not way to set limitations.
Con No way to set a specific backup time for automatic backups
You can only set the backups to be daily, weekly or monthly without the ability to tell what time the backups should happen.