How Does the Cloud Backup Service Work?
The first time cloud backup runs, the appliance performs a full cloud backup for the selected
folders. This may take a long time, depending on the size of your data set. Subsequent
backups are performed incrementally and normally take much less time than the initial
backup. Only data that has actually changed is uploaded.
CTERA uses state-of-the-art data compression and data deduplication techniques, to ensure
the backup happens as quickly and efficiently as possible.
Is My Data Secure?
In addition to using 128-bit SSL (Secure Sockets Layer) connections, the same security
mechanism used by banks, all your data is encrypted using 256-bit AES encryption and
fingerprinted by 160 bit SHA-1 digest, to ensure your data is protected against
eavesdroppers.
For even stronger security, you can use a secret passphrase. If you use a secret passphrase,
your data will not be readable by anyone without knowledge of your secret passphrase (not
even by CTERA).
How Can I Control Which Files Will Be Backed Up?
The appliance offers the following options for controlling the scope of backup operations:
Selecting entire folders for backup
When you select an entire folder for backup, all of the folders in it are automatically
selected for backup.
Selecting specific file types for inclusion in or exclusion from backup, by using backup
sets
A backup set represents a group of files of a certain type and/or located in certain folders,
which should either be included in or excluded from backup operations. For more
information on backup sets, see Working with Backup Sets (on page 156).
These options can be used in conjunction.
When all options are used, the appliance determines the final set of files to include in a
backup operation, by performing the following checks for each file:
1 Checks whether the file is contained in an excluded set. If so, the file is skipped.
2 Checks whether the file is contained in an included set. If so, the file is backed up.
3 Checks whether the file is contained in a folder that was selected for backup in the folder
selection page. If so, the file is backed up.
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