

Network (NAS) drives, remotely mounted computers or volumes, or shared volumes do not get backed up. The reason for this is not technical, but a business decision. Backing up mounted or network drives can easily be abused. A user could mount the 10 or 20 computers in their home or small business and back them all up to one account for a single license. To avoid duplicating data, Backblaze will not back up any drive that contains Time Machine data on it. The drive will be listed in Backblaze's "Select Hard Drives to Backup" as Time Machine and will not be selectable. If you'd like to back up a Time Machine drive to Backblaze, you have two options:ġ. Turn off Time Machine, delete the Time Machine data from the drive, and select the drive for backup in Backblaze.Ģ. Split the drive into two partitions, one for Time Machine, the other for data. How Do I Know my External Hard Drive is Being Backed Up Online The data drive can be backed up to Backblaze.

The best way to know for sure if a file on your external hard drive is being backed up online, is to sign in to the site and click "View/Restore Files".

Another option is to view the "Files Scheduled for Backup" log in the settings panel. This log shows the next 1,000 files scheduled for backup. If you change the name of your external hard drive, you will need to reselect it for online backup in the Backblaze settings panel. Unplugged External Hard Drives (also applies to failed External Hard Drives)īackblaze works best if you leave the external hard drive attached to your computer all the time.

However, Backblaze will backup external USB and Firewire hard drives that are detached and re-attached as long as you remember to re-attach the hard drive at least once every 30 days. If the drive is detached for more than 30 days, Backblaze interprets this as data that has been permanently deleted and securely deletes the copy from the Backblaze datacenter.
