Super Awesome Backup System:
I am going to document my crazy-cool backup system in this post. Enjoy!
Features:
1. 100% automatic - set-and-forget
2. No optical discs required (no CDs or DVDs)
3. The most data you will ever lose is the last hour that the system was on
Requirements:
1. Boot drive
2. Backup drive (recommended at least 1:1, ex. 500gb boot + 500gb backup)
3. Leopard with Time Machine
4. SuperDuper ($28 cloning program)
The Idea:
The basic idea is to have your boot drive plus a backup drive. The backup drive is split into two partitions - a small 10-gig partition with a clean install of Leopard to act as an emergency boot drive (which allows you to run SuperDuper to restore your backup image), then the rest of the partition to store backups from SuperDuper and Time Machine.
If you ever need to do a full system restore (say your boot drive dies or you want to upgrade your boot drive to a larger or faster hard drive), then you simply boot to the 10gb partition, use SuperDuper to clone the image file from the image clone on the larger backup partition to the new boot drive, and then boot from it and use Time Machine to restore your files up to the last hour's worth of changes. That's it!
Setup:
1. Install Leopard onto your boot drive
2. Split your backup drive into 2 partitions (10gb + rest)
3. Use SuperDuper to clone Leopard onto the 10gb partition
4. Setup SuperDuper to clone to a sparse image file on the large backup partition on a daily schedule
4. Setup Time Machine to backup to the large backup partition
Notes:
Time Machine is a great program for backing up your files. It not only creates a backup of your current files, but it also keeps an archive of your files (how long back the archive goes is simply a matter of how much hard drive space you have!). It backs up hourly and is completely invisible once you set it up. So if your hard drive were to die, at most you would only lose one hour's worth of work (from the time of the last backup). You can also go "back in time" to retrieve a file you might have changed or deleted. So say you deleted your resume or changed something but wanted the original copy - just pop open Time Machine and go back a day or a week or a month and grab it!
SuperDuper is an awesome program for making system clones. You can either clone from drive-to-drive or from drive-to-file. Drive-to-drive is useful for creating an emergency boot partition or just adding a new boot drive. Drive-to-file is useful for backup purposes because you can store it alongside your Time Machine backup (which backs up to a folder). So on your backup drive you would have a Time Machine folder plus a SuperDuper image file. Both do incremental updates, so after the first backup it goes very quickly each time it backs up.
So why would you run both SuperDuper and Time Machine? SuperDuper's schedule allows you to back up your system once a day, while Time Machine backs up hourly. In addition, Time Machine creates an archive of older files, which is useful if you change or delete something that you want back. Using both programs ensures that you not only have a daily full systems backup (including all of your settings, programs, and files), but you also have the most current files (up to the last hour) as well as an archive of older files. This presents you with a very powerful and completely invisible, automated backup system that is easy to restore.
So when you combine this with a small 10gb partition that has Leopard installed on it on your backup drive, you can quickly boot up, restore your backup using SuperDuper, and then dump back on your latest file with Time Machine. The emergency boot partition isn't a necessity because you can restore a SuperDuper image from Disk Utility right off the Leopard disc, but it's a very nice convenience feature because you don't need to dig up your Leopard disc and you can boot up at normal speed rather than waiting for the DVD to boot up.
The end result is that you set it up and then forget about it until such time you need it. Then it's cake to boot up to Leopard on the backup drive and transfer over your entire system! In my opinion, this is the ultimate local backup system. For additional security, you can get an off-site backup system such as Mozy to store your data somewhere else in the event that your computer blows up or your hour burns down. But for a local backup system such as this, all you need is a simple backup hard drive (internal or external) and a $28 copy of SuperDuper.
This system is also an extremely good idea if you choose to boot off a striped RAID 0 drive set. You are at higher risk if you are using RAID 0 to boot (2 drives acting as 1 drive), but if you lose a drive you've got a full backup at your fingertips, so you can take advantage of the extra speed RAID 0 has to offer without worrying about losing your system completely in the event your RAID set has a problem. If your data is really, really important to you, you can even boot off a mirrored RAID 1 drive set. This way if you lose a drive in your RAID set, your system keeps on working as normal. So you have the safety of two mirrored boot drives plus the security of a full system & file backup. Combine this with an off-site backup system mentioned above like Mozy and you'll be hard-pressed to lose any data ever again!