Re: sparc64 network autoconfiguration

[Toomas Soome]

> On 18. märts 2016, at 11:49, Stanislav Kholmanskikh <address@hidden> wrote:
> 
> Hi!
> 
> On 03/18/2016 11:30 AM, Andrei Borzenkov wrote:
>> On Fri, Mar 18, 2016 at 11:07 AM, Vladimir 'phcoder' Serbinenko
>> <address@hidden> wrote:
>>> 
>>> 
>>> Le ven. 18 mars 2016 08:30, Andrei Borzenkov <address@hidden> a écrit :
>>>> 
>>>> Documentation says
>>>> 
>>>> On sparc64 GRUB is unable to determine which server it was booted from.
>>>> 
>>>> Could someone clarify what it means here? sparc64 is ieee1275 that
>>>> supports auto configuration for network boot - at least, it has code
>>>> to do it. So far the only platform where it is not possible seems to
>>>> be uboot (which is also missing from Platform limitations section).
>>> 
>>> AFAIR sparc 64 doesn't provide fields code for ieee1275 depends on. Moreover
>>> sparc64 doesn't support booting via dhcp and works thorough rarp instead
>> 
>> 
>> Strictly speaking they boot via bootparams protocol, RARP is used for
>> initial IP auto-configuration. Sun/Oracle servers support DHCP boot
>> for quite some time; actually it is mandatory for Solaris 11 AI
>> (automated installer). I am not sure whether they export this
>> information in OBP though.
>> 
>> Someone from Oracle listening here?
> 
> I can't say for Oracle HW in general, but on T4, T5, T7 machines booting via 
> DHCP/TFTP is supported, for example via 'boot net:dhcp'.
> 
> In our group we do load grub2 via dhcp/tftp. There were some issues, but in 
> general this scheme works fine. I hope patches for these issues will be sent 
> here soon.
> 
> Thanks.
> 
> 

basically all sun4u and sun4v support dhcp boot (assuming up to date firmware).

rgds,
toomas