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Best Formatting for OS X external disk?
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Mac Elite
Join Date: Mar 2001
Location: CO
Status:
Offline
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I just got an external hard disk for backup purposes. It comes formatted as DOS, so I opened Disk Utilities, and there are options I don't remember seeing before:
Not only "Mac OS X Extended" and "Mac OS X Extended (Journaled)", but the option for each of those to be "(case-sensitive)" or ("case-sensitive, Journaled").
I don't have an OS X "Missing Manual" for Tiger, so can someone please enlighten me as to the significance and advisability of this "case-sensitive" option when it comes to formating a drive?
Thanks!
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TOMBSTONE: "He's trashed his last preferences"
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Moderator  Join Date: May 2001
Location: Hilbert space
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MacOS X Extended (Journaled) is the default these days.
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I don't suffer from insanity, I enjoy every minute of it.
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Mac Elite
Join Date: Mar 2001
Location: CO
Status:
Offline
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Yes, but within either journaled or UNjournaled options, there is the further option to choose (or not) "case-sensitive"...
I'm wanting to know what part of system operation will be affected by choosing "case-sensitive" -- something I never saw mentioned before (let alone given as an option).
Thanks
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TOMBSTONE: "He's trashed his last preferences"
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Moderator Join Date: May 2001
Location: Hilbert space
Status:
Offline
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Since the choices are Mac OS Extended (Journaled), Mac OS Extended, Mac OS Extended (Journaled, case-sensitive), etc. I thought saying Mac OS Extended (Journaled) was sufficient. You don't need case-sensitivity for now.
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I don't suffer from insanity, I enjoy every minute of it.
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Mac Elite
Join Date: Nov 2001
Status:
Offline
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Case-sensitive is not supported for volumes on which you install OS X. It may work, but it's not supported.
You should *always* use journaled, unless you want the drive to take 30-60 minutes to come up successfully if you do an unclean shutdown -- as the drive must run fsck to rebuild some TOC information in this case.
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Mac Elite
Join Date: Mar 2001
Location: CO
Status:
Offline
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Thanks for the clarification...
Probably I'd never seen the option before because I'd never been initialzing an external (and OS-free) drive before. CatOne's explanation helps me understand the "case-sensitive" issue.
I also appreciate understanding why I need to employee journaling, even on backup drives.
Gracias!
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TOMBSTONE: "He's trashed his last preferences"
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