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Date: Fri, 8 Feb 2013 11:40:34 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Arthur Chance <freebsd@qeng-ho.org>
Subject: Re: mount: /dev/da0p1: Invalid argument
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On Fri, 8 Feb 2013, Arthur Chance wrote:

> http://en.wikipedia.org/wiki/Basic_data_partition
>
> I think you probably want to use the type code for a Windows Basic data 
> partition, which would be
>
> gpart add -t !EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 other_gpart_args
>
> [depending on your shell you may have to escape that '!']. According to the 
> second Wikipedia page
>
> "According to Microsoft, the basic data partition is the equivalent to 
> partition types 0x06, 0x07, and 0x0B (FAT16, NTFS, FAT32) in the traditional 
> MBR partition table."

I just use type 12:

# gpart add -t \!12 ...

It would be kind of nice if gpart had some keywords for those types, 
though.