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Old 12-06-2009, 09:24 AM
teknomage teknomage is offline
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Join Date: Dec 2009
Location: Rural mid Wales
Posts: 3
Superduper! superb robustness!!

Just recently completely changed my backup methodology away from using multiple DVDs for data backup & keeping a firewire drive with a vanilla copy of my current operating system in case of system disk failure. I have a PowerMac G5 running Mac OS X 10.4.11 with two internal drives, 160Gb system disk, 1TB disk for data. I also have a couple of 1TB external FW800 disks (LaCie & Miglia) which I use for my iTunes libraries & photos (two copies of each - one on each external drive).

I just bought a Voyager Q docking unit which allows you to connect bare sata drives via FW800, esata or USB2. I'm using the spare a 250GB drive that came out the G5 to make a system disk clone that I can simply swap out should the live system disk fail.

I really chose the wrong night for my first use of Superduper! to clone my system disk.

I plugged the 250GB drive into my shiny new Voyager Q dock, kicked off Superduper to clone the system disk and went to bed, leaving it running. About 3am, I wake up and realise the power is off. Power cut. I go downstairs and reset the breaker on the main fuse box. Power comes back on. I go through and restart the Mac, of course the backup was part way through and didn't finish. Okay, restart it all with the "Smart copy" feature and go back to bed.

Got up next morning at 8am and there had been another power cut!!! Restarted the backup again with the "smart copy" feature. It took about 10 mins to run, finish the copy and make it bootable.

Hmmm - Now I have really big doubts about the cloned system disk I have just made. Firstly, will I actually be able to boot from the Voyager Q dock to test it? And secondly, how reliable a clone will it be - having crashed due to power outage twice whilst connected to the wrong end of a chain of 4 FW800 devices?

No worries on either score! The cloned system disk booted all ok and as far as I can sensibly test, all my applications work :-)

I am very impressed indeed with the robustness of Superduper! I've used a lot of backup software over the years, and most would not cope at all well in similar situations. Despite two power cuts I now have a working clone of my system disk. With most other backup solutions I would probably still be re-running a third attempt at a full backup copy.

I now intend to update my cloned system disk weekly using the "smart copy" feature and also buy a bare 1TB sata disk to do something similar on a daily basis for my 1T data disk.

Anyone want a huge box of used DVD ROMs? Not really But I do have my doubts over how long these offline backup copies of music & photos will be readable for, despite me keeping them in quality card sleeves in a cool dark cupboard. I found some really old 3.5" floppy disks from 1990 which recently & was able read the files on those. They were backups of EPS and TIF images, plus text & word processing files that had been made on a PC. I doubt the DVDs will be readable for as long.

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