[LEDE-DEV] 17.01.4 on Mikrotik RB951Ui-2HnD

[Alberto Bursi]

On 03/11/2017 11:22, Nishant Sharma wrote:
> Hi Alberto,
>
> On Friday 03 November 2017 01:44 PM, Alberto Bursi wrote:
>>
>>
>> On 03/11/2017 08:04, Nishant Sharma wrote:
>>>
>>> I am not able to find the documentation to install Lede 17.01.x on 
>>> RB951Ui-2HnD.
>>>
>
>>> The device has since then gone into a boot loop. I searched on the 
>>> forum as well, but couldn't find a solution.
>>
>> I've seen a thread in the forum too, (with no answer) so if you 
>> confirm it works either post there or report back here and I'll post 
>> the same instructions there too.
>> https://forum.lede-project.org/t/installing-on-mikrotik-rb951ui-2hnd/3751 
>>
>
> Thanks for your reply. I will put them on the forum as well.
>
> Here are the steps:
>
> 1. Download vmlinux-initramfs.elf 
> (lede-17.01.4-ar71xx-mikrotik-vmlinux-initramfs.elf) and use it as 
> boot file.
> 2. DHCP didn't give IP Address. Had to ssh using IPv6 address. Or 
> statically assigning an IP of 192.168.1.x to my machine.
> 3. scp lede-17.01.4-ar71xx-mikrotik-nand-large-squashfs-sysupgrade.bin 
> to the router.
> 4. sysupgrade -n 
> lede-17.01.4-ar71xx-mikrotik-nand-large-squashfs-sysupgrade.bin
> 5. Router reboots after upgrade
>
> Where did my 20 MB of flash space go?
>
> df -h with old firmware:
> Filesystem                Size      Used Available Use% Mounted on
> rootfs                  124.0M     35.4M     88.6M  29% /
> /dev/root               124.0M     35.4M     88.6M  29% /
> tmpfs                    61.8M     61.8M         0 100% /tmp
> tmpfs                   512.0K         0    512.0K   0% /dev
>
> df -h with new firmware:
> Filesystem                Size      Used Available Use% Mounted on
> /dev/root                 2.5M      2.5M         0 100% /rom
> tmpfs                    61.2M     52.0K     61.1M   0% /tmp
> /dev/ubi0_2             103.0M     36.0K     98.3M   0% /overlay
> overlayfs:/overlay      103.0M     36.0K     98.3M   0% /
> tmpfs                   512.0K         0    512.0K   0% /dev
>
> Regards,
> Nishant
>

They adjusted partitions (which is why you couldn't just sysupgrade from 
OpenWRT).
Actually, with the new firmware you have 10 MB more usable space, even 
if partition is smaller.
Look at the "Available" column. Old fw was 88MB, new fw is 98MB.

-Alberto