Re: Failover root devices

[Harald Hoyer]

On 17.09.2015 20:17, Richard Weinberger wrote:
> Am 17.09.2015 um 20:05 schrieb Drew DeVault:
>>> Better send a patch to dracut folks. :-)
>>> Major distros use it and if the feature is nice other initramfs implementations will adopt it too.
>>
>> dracut is the common one sure, but I'm still not confident that it's the right place to put this. How would that feature look? Would we have the root= parameter use a format that's
>> specific to dracut and no longer a sane kernel parameter? Would we use a second parameter and discard the root= parameter? I think all of these are suboptimal solutions. No, the
>> right way, I think, is to implement this in the kernel and let the init systems take it from there themselves.
> 
> I'd patch dracut to support kernel command lines like "root=/dev/diskX root=/dev/diskY". initramfs is allowed to parse/use the command line.
> So, you can do what you want.
> 
> Thanks,
> //richard


https://github.com/haraldh/dracut/blob/master/modules.d/95rootfs-block/rootfallback.sh
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