Tag Archives: DSM

Synology NAS as Time Machine Backup Target Tip

This is a quick tip on using a Synology NAS to backup with Time Machine in OSX Lion / Mountain Lion.  If you have installed and are running the Synology Antivirus Essentials app, it is advisable to exclude the Time Machine backup location.  You can do this by creating and running a ‘custom scan’ instead of running a ‘full scan’.  If the antivirus makes any changes to the time machine sparsebundle it will likely cause the backup to become ‘corrupted’ from OSX’s standpoint, which will cause OSX to need to create a full backup again causing the loss of your backup history.

Sophos Antivirus for Mac is a good real-time scanning platform that you can use to protect your OSX based machines and it’s free.  http://www.sophos.com/en-us/products/free-tools/sophos-antivirus-for-mac-home-edition.aspx

Bit Defender for Mac is also offered in the Mac app store and as with all Bit Defender products I’ve come across offers solid and superior protection.  It’s free and can be used to scan your drives, however I did not see the ability to conduct specific items scans or provide live protection.

Good luck and hope this helps someone out.

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Apple Time Machine Backup on Synology NAS Fails

Specific Error: Time Machine could not not complete the backup, .sparsebundle is already in use

I began backing up my Macbook Pro to my Synology NAS since I didn’t want to lug around an external disk with my laptop.  It worked seamlessly for a week until one of a few things happened that caused the backup to fail in mid-backup.  I either powered off the system or the system went to sleep during the backup.

Upon restarting the computer, I received an error message when Time Machine once again started to do it’s thing.  The message read: Time Machine could not complete the backup, .sparsebundle is already in use.  When I searched the error, I found easy solutions for people using an external drive while connected to an Airport Extreme and backing up to a drive attached to that.  It involved simply killing the user sessions that were associated with the drive and in a few cases rebooting.

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