[ovirt-devel] OVS-based cluster adding vdsm report 'RTNETLINK answers: File exists' error in supervdsm.log in release 4.0.2
Edward Haas
ehaas at redhat.com
Wed Aug 10 11:08:12 UTC 2016
Hi Mark,
This and some other problems have been fixed on the master branch.
I would suggest using the master branch for your tests, at least until the
fixes are back-ported to the 4.0 branch.
Thanks,
Edy.
On Wed, Aug 10, 2016 at 8:34 AM, lifuqiong <lifuqiong at cncloudsec.com> wrote:
> Hi,
> I want to test ovs in vdsm of release 4.0.2. And according Petr's
> helpful advice, created an ovs-based cluster and install vdsm to ovirt
> engine. But report a 'RTNETLINK answers: File exists' error as bellows.
>
> It seems that vdsm want to add a default gw through ' ip -4 route add
> default via 192.168.0.1' ; but of course this gateway already exists, why
> the vdsm will still add the default gateway?
>
>
> Error log:
> ------------------------------------------------------------
> ------------------------------------------------------------
> ---------------------------------
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,203::commands::68::root::(execCmd) /usr/bin/taskset --cpu-list
> 0-3 /sbin/ip link set dev ovirtmgmt up (cwd None)
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,205::commands::86::root::(execCmd) SUCCESS: <err> = ''; <rc> = 0
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,205::commands::68::root::(execCmd) /usr/bin/taskset --cpu-list
> 0-3 /sbin/ip link set dev p3p1 up (cwd None)
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,207::commands::86::root::(execCmd) SUCCESS: <err> = ''; <rc> = 0
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,207::commands::68::root::(execCmd) /usr/bin/taskset --cpu-list
> 0-3 /sbin/ip addr flush dev ovirtmgmt scope global (cwd None)
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,209::commands::86::root::(execCmd) SUCCESS: <err> = ''; <rc> = 0
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,209::commands::68::root::(execCmd) /usr/bin/taskset --cpu-list
> 0-3 /sbin/ip -4 addr add dev ovirtmgmt 192.168.0.117/255.255.255.0 (cwd
> None)
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,211::commands::86::root::(execCmd) SUCCESS: <err> = ''; <rc> = 0
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,211::commands::68::root::(execCmd) /usr/bin/taskset --cpu-list
> 0-3 /sbin/ip -4 route add default via 192.168.0.1 (cwd None)
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,213::commands::86::root::(execCmd) FAILED: <err> = 'RTNETLINK
> answers: File exists\n'; <rc> = 2
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,213::api::246::root::(setupNetworks) Setting up network
> according to configuration: networks:{u'ovirtmgmt': {'remove': True}},
> bondings:{}, options:{'connectivityCheck': 0, 'inRollback': True}
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,213::api::267::root::(_setup_networks) Validating configuration
> MainProcess|jsonrpc.Executor/4::DEBUG::2016-08-02
> 22:35:03,216::routes::75::root::(get_gateway) The gateway 192.168.0.1 is
> duplicated for the device p3p1
>
> MainProcess|jsonrpc.Executor/4::ERROR::2016-08-02
> 22:35:03,310::supervdsmServer::96::SuperVdsm.ServerCallback::(wrapper)
> Error in setupNetworks
> Traceback (most recent call last):
> File "/usr/share/vdsm/supervdsmServer", line 94, in wrapper
> res = func(*args, **kwargs)
> File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 248,
> in setupNetworks
> _setup_networks(networks, bondings, options)
> File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 275,
> in _setup_networks
> netswitch.setup(networks, bondings, options, in_rollback)
> File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
> self.gen.throw(type, value, traceback)
> File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 199,
> in _rollback
> six.reraise(excType, value, tb)
> File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 182,
> in _rollback
> yield
> File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 275,
> in _setup_networks
> netswitch.setup(networks, bondings, options, in_rollback)
> File "/usr/lib/python2.7/site-packages/vdsm/network/netswitch.py", line
> 119, in setup
> _setup_ovs(ovs_nets, ovs_bonds, options, in_rollback)
> File "/usr/lib/python2.7/site-packages/vdsm/network/netswitch.py", line
> 165, in _setup_ovs
> connectivity.check(options)
> File "/usr/lib/python2.7/site-packages/vdsm/network/netconfpersistence.py",
> line 243, in __exit__
> raise ne.RollbackIncomplete(config_diff, ex_type, ex_value)
> IPRoute2Error: ['RTNETLINK answers: File exists']
>
> ip addr show
> ------------------------------------------------------------
> ------------------------------------------------------------
> --------------------------------------------
> [root at server117 ~]# ip addr show
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> inet 127.0.0.1/8 scope host lo
> valid_lft forever preferred_lft forever
> inet6 ::1/128 scope host
> valid_lft forever preferred_lft forever
> 2: p3p1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> master ovirtmgmt state UP qlen 1000
> link/ether 64:00:6a:23:b8:c0 brd ff:ff:ff:ff:ff:ff
> 3: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master
> ovs-system state UP qlen 1000
> link/ether a0:36:9f:09:36:c0 brd ff:ff:ff:ff:ff:ff
> inet6 fe80::a236:9fff:fe09:36c0/64 scope link
> valid_lft forever preferred_lft forever
> 4: em2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
> link/ether a0:36:9f:09:36:c1 brd ff:ff:ff:ff:ff:ff
> 5: wlp4s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
> link/ether 60:6d:c7:29:d7:55 brd ff:ff:ff:ff:ff:ff
> 6: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
> link/ether 42:ab:a1:1b:24:94 brd ff:ff:ff:ff:ff:ff
> 7: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
> UNKNOWN
> link/ether a0:36:9f:09:36:c0 brd ff:ff:ff:ff:ff:ff
> inet6 fe80::a236:9fff:fe09:36c0/64 scope link
> valid_lft forever preferred_lft forever
> 8: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> state UP
> link/ether 64:00:6a:23:b8:c0 brd ff:ff:ff:ff:ff:ff
> inet 192.168.0.117/24 brd 192.168.0.255 scope global ovirtmgmt
> valid_lft forever preferred_lft forever
> 9: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
> link/ether 4e:ce:20:14:aa:24 brd ff:ff:ff:ff:ff:ff
>
>
>
> How to solve it? Thank you.
> Mark
> Hope hear from you asap.
>
>
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