On 01/30/2012 04:33 PM, Cong Wang wrote: > On Mon, 30 Jan 2012 at 06:43 GMT, Dave Young <dyoung@xxxxxxxxxx> wrote: >> Current dracut network only will be setup when netroot is used. But there are >> some cases we need network even without netroot. For example kdump will need >> copy vmcore to remote machine via scp or nfs mount. OTOH, if we use dracut as >> a recovery system the network is helpful even root is not a network device. >> >> This implementation is based on the manually bring up method. Here add a kernel >> cmdline argument rd.neednet. If rd.neednet is set dracut will bring up network >> with ifup $INTERFACE -m. If netroot is used we still keep original behavior. >> > > I don't think we really need to introduce a new cmdline, I think we > can re-use ip= cmdline. Currently, if ip= is specified but netroot is > not, ip= will be ignored. We can change this, let dracut bring up > network as long as we have ip=, even we don't have netroot. For netroot case it is supported as well for no ip= or other network cmdline, please see the net-genrules.sh code We will also setup network when rd.neednet=1 in case no special ip= provided for convenience. > > -- > To unsubscribe from this list: send the line "unsubscribe initramfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Thanks Dave -- To unsubscribe from this list: send the line "unsubscribe initramfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
