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Format as HFS Mac OS Standard in Tiger?
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Addicted to MacNN
Join Date: Jan 2000
Location: Stoneham, MA, USA
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Hi
Is there a way I can format hard drives in HFS (not HFS+) in Tiger? The drives are going to be used in older Macs where HFS+ won't work. The option is no longer available in Disk Utility. Any ideas?
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Posting Junkie
Join Date: Dec 2000
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Suggestion: Format them on the Macs you're going to be using them on.
Alternatively, you could use the diskutil command-line tool to do this. Type 'man diskutil' in the Terminal for details.
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Addicted to MacNN
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First suggestion is not an option. I'll look into the second
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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Tiger's Disk Utility does still do HFS.
Chances are the disk you want to format as HFS is too big: HFS can only handle up to 2GB per partition. So if you want the whole disk to be contiguous and it is over 2GB, you must use HFS+. Otherwise, you'll have to partition it into a bunch of ≤2GB partitions.
Am I right that the disk is over 2GB? (And, if I might ask, what Macs are you going to be using this on? Only Mac OS 8.0 and older don't support HFS+.)
tooki
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Grizzled Veteran
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What Tooki said; if you're running a normal OS 9 mac you're fine. Also note that an OS 8.0 Mac can be updated to 8.1 via a free updater, available of Apple's website. To check system version click [Apple icon in upper-lefthand-corner] > About this Computer/Macintosh. If running OS X, click [Apple icon in upper-lefthand-corner] > About this Mac.
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Senior User
Join Date: May 2002
Location: Austria
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Originally Posted by tooki
Tiger's Disk Utility does still do HFS.
Chances are the disk you want to format as HFS is too big: HFS can only handle up to 2GB per partition. So if you want the whole disk to be contiguous and it is over 2GB, you must use HFS+. Otherwise, you'll have to partition it into a bunch of ≤2GB partitions.
tooki
That's not 100% correct. Later versions of HFS (not HFS+) supported volume sizes of up to 2TB even before HFS+ was released. Of course, because there can be no more than 65535 blocks with the old HFS, every 1-byte-file would consume more than 30MB if you really used HFS on a 2TB disk. Still, it would be possible 
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Admin Emeritus Join Date: Oct 1999
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Argh, yes, you are correct. I just have such vivid memories of having to partition a 4GB drive into two 2GB partitions back when 2GB was the hard limit. Does anyone remember which version of System 7 broke the 2GB limit?
tooki
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Clinically Insane
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Chuck
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"Instead of either 'multi-talented' or 'multitalented' use 'bisexual'."
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Admin Emeritus Join Date: Oct 1999
Location: Zurich, Switzerland
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Awesome, thanks. It's been so long since I dealt with those systems that the exact info is beginning to get fuzzy!
tooki
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