so there is really no need to have a "bootable" external
That's subjective. I like it because I use it as a testing device, also I need to have an immediate bootable backup for my work, can't afford to take all day rebuilding if I need to get out a few invoices or access email or something.
Also I can take it with me to boot a machine that isn't booting that doesn't have a backup so I can recover their files. My needs are different, I have separate drives that are bootable. 10.3, 10.4, 10.5.
It's more of a convenience, depending on what you do with the computer. With a Time Machine backup all of your data is there, it just doesn't boot. If you can afford for it to be down for a few hours no bootable is needed. Of course we're talking the almost unheard of circumstance that a Mac won't boot.
Ok I'm reviving this thread, cause my Seagate Drive seems to be bad.... Time Machine will not make a "backup" to it. Drive is sounding odd for lack of a better word. The strange thing is I seem to be able to "open" TM and go back in time, but I can't seem to make a new backup. The Seagate was 500GB and when I do a get info says only 45gb available.
Anyways, not sure if I can do anything about it, so I got this
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