Strange parted behaviour

[Robert Moskowitz]

On 08/08/2014 12:38 PM, Rick Stevens wrote:
> On 08/08/2014 06:21 AM, Robert Moskowitz issued this missive:
>> So I am making progress but saw a strange bit.
>>
>> #parted /dev/sdb mkpart uboot ext3 4 516
>>
>> # parted /dev/sdb print
>> Model: Generic- Multi-Card (scsi)
>> Disk /dev/sdb: 7969MB
>> Sector size (logical/physical): 512B/512B
>> Partition Table: gpt
>> Disk Flags:
>>
>> Number  Start   End     Size    File system  Name    Flags
>>   1      4194kB  516MB   512MB   fat32        uboot
>>
>> I formated it with:
>>
>> #mkfs -t ext3 /dev/sdb1
>>
>> # parted /dev/sdb print
>> Model: Generic- Multi-Card (scsi)
>> Disk /dev/sdb: 7969MB
>> Sector size (logical/physical): 512B/512B
>> Partition Table: gpt
>> Disk Flags:
>>
>> Number  Start   End     Size    File system     Name    Flags
>>   1      4194kB  516MB   512MB   ext3            uboot
>>
>> So why did parted mislabel the partition?
>
> I don't think "uboot" is a valid partition type--it should be
> "primary", "logical" or "extended". Thus the format of the command
> should have been:
>
>     # parted /dev/sdb mkpart primary ext3 4 516
>     # parted /dev/sdb name 1 uboot
>
> I've noticed that parted sometimes makes some weird decisions if
> parameters it expects are missing or mis-specified.

Somewhere in my reading and testing I got that mkpart format was

mkpart part-type label fs-type start end

and then part-type became dropped if the partition type is gpt.

Seems on further reading you are probably right.  There is a separate 
labels command.

> ----------------------------------------------------------------------
> - Rick Stevens, Systems Engineer, AllDigital ricks at alldigital.com -
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