Are you sure you are interpreting the requirement correctly?   'Everything
gets quiesced during hyperswap' ...   how does this relate to z/VM and
VSWITCH?

Scott Rohling

On Tue, Mar 7, 2017 at 12:23 PM, Bill Head <[email protected]> wrote:

> One requirement with building proxy guests for GDPS/xDR is that you do not
> use virtual switches (since everything gets quiesed during a hyperswap).
>  So in order to setup DEDICATED OSA adapters I think I'm forced to use VLAN
> tagging in LINUX.  They also recommend using bonding.   Which goes back to
> my original question.   When I clone a guest I'm coming up on a VSWITCH
> connected via eth0, on VLAN 14.
>
> So I putty in at that point and try to configure  ifcfg-eth1 and
> ifcfg-eth2, then ifcfg-bond0, then ifcfg-vlan10.   The free IP addresses I
> have are on VLAN10.
>
> I found  something on the net about loading a module (8021q) so I did that
> and rebooted, when it comes up I'm getting the following
>
> Mar  7 14:44:29 lxqmq001 kernel: 8021q: adding VLAN 0 to HW filter on
> device eth0
> Mar  7 14:44:29 lxqmq001 kernel: eth0: no IPv6 routers present
> Mar  7 14:44:29 lxqmq001 kernel: bonding: Ethernet Channel Bonding Driver:
> v3.7.1 (April 27, 2011)
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0 is being created...
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0: setting mode to
> active-backup (1).
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0: Setting fail_over_mac to
> active (1).
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0: Setting MII monitoring
> interval to 100.
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0: Adding slave eth1.
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0: Adding slave eth2.
> Mar  7 14:44:29 lxqmq001 kernel: ADDRCONF(NETDEV_UP): bond0: link is not
> ready
> Mar  7 14:44:29 lxqmq001 kernel: 8021q: adding VLAN 0 to HW filter on
> device bond0
> Mar  7 14:44:29 lxqmq001 kernel: bonding: bond0 is being deleted..
>
> I am unable to ping the 193.91.10.113 address from another server.
>
> I tried changing /etc/sysconfig/network/routes from this:
>
> default 205.145.91.254 - -
>
> to this:
>
> default 193.91.10.254 - -
>
> But I lose my connection on eth0 as well as the new vlan10 bonded address.
>
>
> -----Original Message-----
> From: Linux on 390 Port [mailto:[email protected]] On Behalf Of
> Alan Altmark
> Sent: Tuesday, March 07, 2017 1:37 PM
> To: [email protected]
> Subject: Re: DEDICATED OSA, LINUX VLAN tagging and bonding
>
> On Tuesday, 03/07/2017 at 06:18 GMT, "Vitale, Joseph"
> <[email protected]> wrote:
> > Hello,
> >
> > Interested to know if  VLAN Tagging can be done via zLinux if  zVM
> currently adding VLAN Tag.  OSA
> > set up for Port access. Using Red Hat 7.  Please see below:
> >
> > CP SET VSWITCH VSWITCH2 GRANT R00022N1 VLAN 2419 2439 HCPSWS2847E
> > PORTTYPE ACCESS is not allowed when the user is authorized HCPSWS2847E
> > for more than one VLAN
>
> That's because you didn't include PORTTYPE TRUNK on the GRANT.  If you do
> that, you can use vconfig on Linux to let it do the tagging (eeewwww!)
>
> Alternatively, you can use a PORTBASED VSWITCH and assign a VLAN to a
> virtual NIC, so that Linux can remain VLAN unaware.  In this mode, you:
> a) Add the PORTBASED option to DEFINE  VSWITCH
> b) Use the SET VSWITCH PORTNUMBER command to assign guests to a port
> number.
> c) Use the SET VSWITCH VLANID command to assign a port number to a VLAN
> d) Remove the VSWITCH name from the NICDEF in the directory
> e) Add COMMAND COUPLE to the directory to connect a vdev to a port.
>
> Folks at SHARE in San Jose this week can see my presentation on this
> Wednesday, along with a preview of the PORTBASED/USERBASED VSWITCH
> unification and simplification that will be coming soon to a z/VM system
> near you.
>
> Alan Altmark
>
> Senior Managing z/VM and Linux Consultant Lab Services System z Delivery
> Practice IBM Systems & Technology Group ibm.com/systems/services/
> labservices
> office: 607.429.3323
> mobile; 607.321.7556
> [email protected]
> IBM Endicott
>
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