On Sat, Feb 04, 2017 at 01:44:21PM -0700, Sean Bruno wrote: > "what I want" is to pxe/netboot and then switch over to using a lagg(4) > interface that includes the interface used in the pxe/netboot boot up. > I suspect, I have to switch to MDROOT to do this, but I thought I'd ask > if anyone is doing this type of configuration in their labs? > > What seems to happen is that I lose the nfsroot when I reconfigure the > lagg, and I no longer have access to reconfigure. > > e.g. pxeboot from em0, then reconfigure networking to use em0/em1 in lagg0: > > em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > > options=5259b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO> > ether 00:30:18:c5:0a:a9 > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect (1000baseT <full-duplex>) > status: active > em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > > options=5259b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO> > ether 00:30:18:c5:0a:a9 > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect (1000baseT <full-duplex>) > status: active > lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > > options=5259b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO> > ether 00:30:18:c5:0a:a9 > inet 192.168.100.53 netmask 0xffffff00 broadcast 192.168.100.255 > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect > status: active > groups: lagg > laggproto lacp lagghash l2,l3,l4 > laggport: em0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING> > laggport: em1 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING> >
Look at reroot support, see reboot(8) option -r. I suspect you could need two reroots: first to some tmpfs or memory backed md(4) where ifconfig is present to reconfigure interfaces, second to boot into the final root. _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
