Re: Problems adding multiple file systems (e.g., /home partition)

[Daniel Drake <silophophe@me.com>]

Hi Ludo',

Thanks!  Your suggestion is what I had initially tried, and it would not 
boot.  But now it works: I can boot without the USB drive and reach the 
login prompt.  I must have had something else messed up.

In any event, thank you very much for your help!
- Daniel

On 11/29/2016 07:57 AM, Ludovic Courtès wrote:
> Hello!
>
> Daniel Drake <silophophe@gmail.com> skribis:
>
>> I've noted the dependencies member of the file-system object:  "This
>> is a list of <file-system> objects representing file systems that must
>> be mounted before (and unmounted after) this one."
>>
>> In the preamble, I define the root file-system:
>>
>>   (define vol-root (file-system  (device "vol-root")  (title 'label)
>> (mount-point "/")  (type "ext4")))
>>
>> Then I add the root file system to the file-systems list, along with
>> the file-system for the home directory:
>>
>>   (operating-system
>>     ...
>>     (file-systems
>>       (cons*
>>         vol-root
>>         (file-system  (device "vol-home")  (title 'label)
>> (mount-point "/home")  (type "ext4")  (dependencies '(vol-root)) )
>
> This should be:
>
>   (dependencies (list vol-root))
>
>> I found a related issue in one of the IRC logs that modified the
>> dependencies argument like this:
>>   (dependencies (list vol-root))
>
> … which you already found.  :-)
>
>> within the file-system object for the home directory.
>> In that instance, the error seems almost resolvable:
>> guix system: error: `file-system-/home' requires 'file-system-/',
>> which is not provided by any service
>
> Right.
>
> In fact, the root file system is always mounted before anything else, so
> the ‘dependencies’ field here is unneeded.
>
> (That case could be handled more gracefully though.)
>
> So in short, all you need is to write things like this:
>
>   (operating-system
>     ;; …
>     (file-systems (list (file-system (device "vol-root") …)
>                         (file-system (device "vol-home") …))))
>
> without any ‘dependencies’ field.
>
> HTH!
>
> Ludo’.
>