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Author Safest size for HFS partitions (with or w/o plus) (Read 13872 times)
68040
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68k - thy kingdom come, thy will be done !
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on: November 19, 2021, 01:06

Hello World,

I finally managed to break free from the 2GB floppy image barrier imposed upon me by the aging B-II version I had to run on.
Now I am wondering what max. partition sizes are *safe* to use with HFS


I know what Google says about this, but I also know from my experiences with HPFS under OS/2, that theoretical limits are not always safe in practical terms.

So does anyone have any real world experiences here, preferably under MacOS 8.1?
wove
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Reply #1 on: November 20, 2021, 02:20

I do not recall ever having any problems with partitions, but then I did not have huge hard drives either. Most of the Apple hardware that shipped with 8.1 came with 2-6GB hard drives so I would assume that they were ensured by Apple to be reliable, meaning that partitions of the size would be rock solid.

I tore apart an early 64GB SSD and mated it with an sata to ide adaptor and made it  fit in Ti Powerbook,  which ran OS 9.03  but of  course it still used HFS Plus. In any event I never ran into any problems with that drive either. So I expect that in the case of 9.03 a 64 GB partition would be solid as well.
68040
512 MB
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Posts: 950
68k - thy kingdom come, thy will be done !
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Reply #2 on: November 20, 2021, 12:31

Thanks for that information. HPFS partions under OS/2 can be "supersized" to many GBs as well, but once you get atop sixhundredsomething MB (was never able to figure out the exact value) any chkdsk run can cause your data trees to become completely scrambled.

Luckily Warp has JFS to offer for non boot-partitions, but it was a painful learning curve, which I'd like to avoid this time around.
68040
512 MB
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Posts: 950
68k - thy kingdom come, thy will be done !
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Reply #3 on: December 16, 2021, 18:49

Supersized my virtual disk image file now to 24GB and the init was *blazingly* fast. How come that hfs+ volumes are initialized faster than even modern day ntfs or ext disks of the same size?
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