mounting root from NFS via ROOTDEVNAME
Eggert, Lars
lars at netapp.com
Wed Jan 30 11:18:22 UTC 2013
Hi,
On Jan 30, 2013, at 10:32, "Eggert, Lars" <lars at netapp.com> wrote:
> On Jan 29, 2013, at 20:22, Craig Rodrigues <rodrigc at crodrigues.org> wrote:
>> In src/sys/boot/common/boot.c which is part of the loader (not the kernel),
>> if you look in the getrootmount() function,
>> you will see that the loader will try to figure out where the root file
>> system
>> is by parsing /etc/fstab, and looking for the "/" mount.
>>
>> So, if your kernel is located in:
>>
>> /usr/home/elars/dst/boot/kernel/kernel
>>
>> Then create a file /usr/home/elars/dst/etc/fstab file with something like:
>>
>> # Device Mountpoint FSType
>> Options Dump Pass
>> 10.11.12.13:/usr/home/elars/dst/ / nfs ro 0 0
>
> Thanks, will try that!
doesn't work.
The kernel never leaves the "DHCP/BOOTP timeout for server"-loop unless I hand out a root-path option via DHCP.
I tried your tip above, I tried setting ROOTDEVNAME in the kernel, I created a /boot.config with "-r" in it on the NFS root - all to no avail.
>> Alternatively, if you don't want to create an /etc/fstab file, then
>> you could put something like this in your loader.conf file:
>>
>> vfs.root.mountfrom=nfs:10.11.12.13:/usr/home/elars/dst
>
> Will try that too, but not sure if this works with our custom loader.
Doesn't seem to work either.
Lars
More information about the freebsd-current
mailing list