Messages in this thread | | | Subject | Re: [OT] Re: bug? VFAT copy problem | From | OGAWA Hirofumi <> | Date | Thu, 23 Nov 2006 20:38:48 +0900 |
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DervishD <lkml@dervishd.net> writes:
> * Sergio Monteiro Basto <sergio@sergiomb.no-ip.org> dixit: >> On Wed, 2006-11-22 at 15:53 +0100, DervishD wrote: >> > * Sergio Monteiro Basto <sergio@sergiomb.no-ip.org> dixit: >> > > Have vfat a limit of a file size when copy ? >> > >> > 2GB, if I recall correctly. FAT32 itself has a limit of 4GB-1 for >> > file size, but Linux restricts it even more (don't ask me why). >> >> May I say that FAT32 have a bigger limit (at least on last Windows). > > I really don't know, but from microsoft technical information > (the first or second hit when googling for "FAT32 size limit"), the > limit they specify in FAT32 is 2^32-1. > > I may be wrong, but with 32 bits you cannot address more than > 2^32 bytes, I don't know how can you create a bigger-than-4Gb file in > a FAT32 filesystem without resorting to tricks like this: > > forum.doom9.org/archive/index.php/t-20689.html > > Looks like FAT-32 (don't ask me how because I don't know the > internals) can store a file bigger than 4GB, but you cannot *save* > it. So you won't be able to put the file you have back to any FAT32 > filesystem, I'm afraid.
Right. FAT's size field is 32bit, so *file* of FAT has limit of 4GB-1. (Since directory doesn't have size, in theoretically it can exceed 4GB-1)
Hm.. Maybe MS added a new hack to FAT..? -- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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