[fedora-arm] [master/rhel7-branch][PATCH] Don't allow bootloader and /boot on iSCSI on s390 (#1034222)

[Peter Robinson]

On Tue, Nov 26, 2013 at 9:39 PM, Dennis Gilmore <dennis at ausil.us> wrote:
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> El Tue, 26 Nov 2013 14:17:22 +0000
> Peter Robinson <pbrobinson at gmail.com> escribió:
>> On Tue, Nov 26, 2013 at 2:01 PM, Dan Horák <dan at danny.cz> wrote:
>> > On Tue, 26 Nov 2013 14:50:29 +0100
>> > Vratislav Podzimek <vpodzime at redhat.com> wrote:
>> >
>> >> On Tue, 2013-11-26 at 14:47 +0100, Dan Horák wrote:
>> >> > On Tue, 26 Nov 2013 14:41:15 +0100
>> >> > Vratislav Podzimek <vpodzime at redhat.com> wrote:
>> >> >
>> >> > > s390(x) cannot boot from an iSCSI disk.
>> >> >
>> >> > what about other arches eg. ARM?
>> >> Is there any bug on that? And any HW/person for testing?
>> >
>> > I think boot from iSCSI should be enabled only for positive list of
>> > arches (like x86, ppc), I guess it requires special support in
>> > device firmware
>> >
>> > the Fedora/ARM list is in on CC
>>
>> It depends, you can boot using an initrd with SW iSCSI support (either
>> off a local card or via netboot) and have the rootfs on an iSCSI LUN
>> and there's a few people have done that with the Trimslice as a PCIe
>> attached gig interface tends to be faster than usb2 attached SSD.
>>
>> If you mean via an iSCSI HW device with appropriate firmware and
>> firmware provided iSCSI LUN where the OS just sees the usual /dev/sdX
>> style devices we don't currently see that functionality but I wouldn't
>> be surprised if it was available of some Server SoCs soon.
>
> I don't know of any u-boot supoort for iscsi, but its always
> possible. I expect that aarch64 from day 1 will support iSCSI. I think
> that the 32 bit devices that have UEFI should have support also.

I wasn't referring to iSCSI via uboot, there's other means of achieving it.