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iMacBoston 12-23-2010 06:58 AM

Make iMac boot disk on USB flash drive
 
Two things:

Can I simply do an OS install to a USB flash drive from disks that came with my new iMac and thereby create an emergency boot source?

How big a flash drive do I need to get to also load Disk Warrior or TechTools as well as the OS onto the flash drive?

Actually, a third thing:

Where could I find out this information for myself, i.e., does "it" say somewhere OS takes X amt of space, Disk Warrier, X amt of space, etc.?

Thank you all for reading and your gentle, considerate responses.

Buzzard2010 12-23-2010 07:07 AM

Welcome to mac-Forums

You can do but I would read up about it first. You will be looking at around 8-12gb usb thumb drive stick for the job.
Here is a link for a nice little tutorial about it:
Install & Boot OS X Leopard from a USB Flash Drive | Maciverse

Hope this helps

- Simon

bobtomay 12-23-2010 08:08 AM

Personally, I would recommend an external drive instead. Then use either SuperDuper! (cheap) or CarbonCopyCloner (free) to create a bootable backup.

Three problems solved in one:
a backup
a bootable backup to continue working when the internal drive dies until you have the time to get it replaced
a bootable backup with all your tools to troubleshoot and/or restore the internal drive in case of a faulty update, app install, etc.

16 GB flash drive: $20-$40
500 GB external drive: $60-$70
1 TB external: <$100

JUKE179r 12-23-2010 08:15 AM

Definitely go with the external drive like bobtomay noted.
I use CarbonCopyCloner on a 64GB thumb drive as a backup and you can boot from it. Trouble is, the thumb drive freezes up at times when using some apps.

bobtomay 12-23-2010 08:18 AM

If you do go with an external, FW connectivity can be worth the additional money if you are moving large amounts of data. For use only as a backup/troubleshooting device, USB will be fine.


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