While performing a network evaluation for a perspective client, it came time to gather specification information from the server. Immediately noticing that Carbonite had not successfully completed a Mirror Image backup and needed to be updated, I headed to the Carbonite InfoCenter to find out what could be done. After installing the required update, I noticed that the USB 3.0 external drive was not recognized by the software. This was solved by going into Computer Management and adding a drive letter to that drive. Once recognized by Carbonite, selected that drive to be used for the Mirror Image backup but began to receive Carbonite Backup external drive errors – “Mirror Image was unable to use the selected target drive.” Took a bit of research to find out the two parts that comprised the issue.
Identifying Cause of Carbonite Backup External Drive Errors
Found a Carbonite support article that details requirements for the Mirror Image Drive to be used. Included in the list – “RAID configuration is not supported – Carbonite currently doesn’t support creating snapshots from drives configured in a RAID array.” Since this server was configured with RAID 5 for a mix of performance and redundancy, it was not able to use the Mirror Image function of the software at all.
Found that the clients Windows Server 2012 R2 Essentials server had the Carbonite Personal Plus software installed on it. As per the Carbonite Website – “Personal Plans are not designed to support Windows Server OS.” Immediately recommended the client upgrade to the Carbonite Server Backup plan.
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