Installing Windows Server 2019 from a remotely mounted ISO

[i.kononenko]

Troy,

On 04.08.2021 06:17, Troy Lee wrote:
> Hi Igor,
> 
>> -----Original Message-----
>> From: i.kononenko <i.kononenko at yadro.com>
>> Sent: Wednesday, August 4, 2021 10:11 AM
>> To: Troy Lee <troy_lee at aspeedtech.com>; Konstantin Klubnichkin
>> <kitsok at yandex-team.ru>
>> Cc: openbmc at lists.ozlabs.org
>> Subject: Re: Installing Windows Server 2019 from a remotely mounted ISO
>>
>> Hello Troy,
>>
>> On 04.08.2021 04:50, Troy Lee wrote:
>>> Hi Igor,
>>>
>>> Currently, the remote virtual media emulate the gadget driver as usb
>> thumb drive instead of cd-rom.
>>> Please have a look on my patch:
>>> https://gerrit.openbmc-project.xyz/c/openbmc/openbmc/+/42986
>> Please note, the phosphor-misc:usb-ctrl have a way to specify mode
>> usb|usb-ro|hdd|dvd which is useful to pick between both usb or cd-rom
>> devices. Please, refer to the changes [1].
>>
> This looks very useful, good information to know. 
> Do frontend (web-vue/phosphor-webui) and backend (bmcweb) support it already?

AFAIK, the bmcweb and WebUI don't support to specify Virtual Media type, 
but I have a number of patches that bring such features but there are not 
published yet.

In the past, I have published a bmcweb patch for supports VM mode for the nbd-proxy,
but the change was not framed properly and has been abandoned [1].

> 
>> The implementation of usb-gadget:mass-storage has a many limitations
>> about cd-rom:
>>  * Image size should not be significant then 2.1Gb,
>>  * Supports only CD-ROM profile
>> That does following to failure of installing Windows-like OS, because without
>> a number of DVD-ROM profile's features and correct SCSI-command
>> handling(TOC/ATIP/PMA) a Windows OS can't load appropriate
>> UDF-driver(iso-13346) and will stucks.
>>
>> Summary the mentioned in the current subject patchset should solve the
>> described issue.
>>
> I'll give it a try, this might also solve our virtual media stress issues.
> 
>>>
>>> Thanks,
>>> Troy Lee
>>
>> Links:
>> * https://gerrit.openbmc-project.xyz/c/openbmc/phosphor-misc/+/36499
>>
>>
>> --
>> Best regards,
>>
>> Igor Kononenko
> 
> Thanks,
> Troy Lee
> 

Links:
1 - https://gerrit.openbmc-project.xyz/c/openbmc/bmcweb/+/36475
-- 
Best regards,

Igor Kononenko