On 6/8/19 5:58 AM, Peter Robinson wrote:
> On Fri, Jun 7, 2019 at 10:58 PM Steven A. Falco <[email protected]> wrote:
>>
>> On 6/7/19 2:38 PM, Steven A. Falco wrote:
>>> On 6/7/19 2:32 PM, Peter Robinson wrote:
>>>> On Fri, Jun 7, 2019 at 7:28 PM Steven A. Falco <[email protected]>
>>>> wrote:
>>>>>
>>>>> On 6/7/19 2:26 PM, Peter Robinson wrote:
>>>>>>> I have a wandboard quad, and I'd like to move the root filesystem to a
>>>>>>> sata drive. I have the drive connected and formatted, and I copied all
>>>>>>> of "/" to a partition on the sata drive.
>>>>>>
>>>>>> For the wandboard you can actually have the entire OS on SATA. The
>>>>>> only thing that needs to be on a SD card is U-Boot.
>>>>>>
>>>>>> So if you take a new image and DD it out to the sata device, then just
>>>>>> dd out the U-Boot to a mSD card it should just all boot.
>>>>>
>>>>> That is very interesting. So I think you are saying that the initramfs
>>>>> that is part of the Fedora 30 image already has the necessary drivers.
>>>>> Do I have that right?
>>>>
>>>> Sort of. The pre generated images that we ship have "generic"
>>>> initramfs which have a LOT of drivers so the images will boot on the
>>>> vast majority of Arm devices, once the first kernel update is applied
>>>> it automatically moves to a host specific initramfs so will then be a
>>>> lot smaller, and hence much quicker to boot, but will not be a generic
>>>> initramfs.
>>>
>>> Excellent! That is a good design.
>>
>> I am happy to report that it worked perfectly. My Wandboard is now running
>> entirely from a SATA drive, with the tiny exception of U-Boot.
>
> Excellent news, feel free to suggest any improvements that could be
> done to improve the process.
Is there a page where I could contribute some information, or is this already
written up? In particular, I find that on a cold boot, it usually fails,
because U-Boot is faster than the disk can spin up. :-) However, if I then hit
the reset button it boots fine. Others might want to know that.
Steve
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