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> On Jan 13, 2019, at 09:24, (Nuno Silva) <nunojsilva@×××××××.pt> wrote: |
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> |
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> On 2019-01-13, Andrew Udvare wrote: |
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> |
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>>> On 2019-01-13, at 07:49, (Nuno Silva) <nunojsilva@×××××××.pt> wrote: |
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>>> |
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>>> I am trying to create an Apple partition map with a block size of 4096 |
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>>> bytes, but I can't find an option to change the block size in mac-fdisk, |
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>>> which defaults to 512 bytes. |
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>>> |
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>>> Does anybody know of a utility that can create and modify such partition |
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>>> maps under Gentoo? |
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>> |
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>> |
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>> Quick look and it seems that for mac-fdisk the 512 size is hard-coded: |
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>> |
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>> https://github.com/glaubitz/mac-fdisk-debian/blob/bda743065fa2c75a83fec60166bc2e317059ef7a/io.h#L32 |
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> |
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> |
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> That code appears to be version 0.4 from early 1997. Under Gentoo, the |
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> README file installed at /usr/share/doc/mac-fdisk-0.1_p18/ mentions 0.4 |
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> as well. |
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> |
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> According to a changelog at apple.com[1], variable block size support |
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> was added after that, and should be present in version 0.5. |
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|
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On actual macOS latest, there's a -b option for block size. |
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