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Old 27th February 2011
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fender0107401 fender0107401 is offline
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Default What it does mean "i386 only"?

I got this information from the OpenBSD FAQ as follows:

http://www.openbsd.org/faq/faq14.html#NewDisk

Quote:
14.4 - Adding extra disks in OpenBSD

Well once you get your disk installed PROPERLY you need to use fdisk(8) (i386 only) and disklabel(8) to set up your disk in OpenBSD.
My question is what it does mean "i386 only"?

If I run an amd64 architecture OpenBSD, can I set everything with disklabel(8) and without fdisk(8)?

If I can, how to get a OpenBSD slice without fdisk(8)?
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Old 27th February 2011
BSDfan666 BSDfan666 is offline
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The FAQ is just a guide, obviously you need to use your own best judgment when reading it... i386 and amd64 are for the most part identical platforms up until a certain point, the bootstrap procedure is identical and disks are partitioned in the same way.

fdisk is used to create and/or edit MBR-style partitions, the format for these is classic x86 IBM PC.. it contains a small bit of executable code and a table of partitions and their specifications (CHS boundaries/LBA sector begin offset and size).

Some systems support GPT/EFI-style partitioning, but this is not supported by OpenBSD.

It's technically possible to initialize a disk without adding a MBR-style partition table on both i386 and amd64.. but you cannot boot from it, and OS's not aware of BSD disklabels may inadvertently overwrite data on your disk, so it's a good idea not to do this.
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Old 27th February 2011
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Thank you very much for this reply.
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