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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9154) rVPC doesn't recover from cleaning up of network garbage collector
Date Sat, 09 Jan 2016 07:06:39 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15090473#comment-15090473
] 

ASF GitHub Bot commented on CLOUDSTACK-9154:
--------------------------------------------

Github user koushik-das commented on the pull request:

    https://github.com/apache/cloudstack/pull/1277#issuecomment-170202865
  
    On latest master (without any fixes) I see that the config values (network.gc.interval
and network.gc.wait) are read correctly. Did the following:
    - Started MS
    - Changed the config values to 10 secs.
    - Restarted MS
    - Values read correctly and GC thread was running every 10 secs. Inside the GC thread
correct value was shown for gc.wait
    
    @wilderrodrigues On which branch did you notice this issue? Or is it possible that the
issue is something else?
    -1 for commit a0a230a/CLOUDSTACK-9188 based on the test on master.
    
    Regarding these network gc configs, the only cleanup that can be done on the code is to
remove the entries from Config.java as they are already defined in NetworkOrchestrator.java.
This can go as a separate PR as well.


> rVPC doesn't recover from cleaning up of network garbage collector
> ------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9154
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9154
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Virtual Router
>    Affects Versions: 4.6.0, 4.7.0, 4.6.1, 4.6.2
>         Environment: ACS 4.7
>            Reporter: Remi Bergsma
>            Assignee: Wilder Rodrigues
>            Priority: Critical
>             Fix For: 4.7.1
>
>
> - deploy a rVPC
> - deploy VM in it
> - make port forwarding (2nd ip, firewall and such)
> - confirm it works
> - stop the vm
> - after some time the network garbage collector will come and tear down the network since
there are no more VMs
> - keepalived will enter FAULT state because of missing eth2 nic (which was first network
tier)
> - all is left is ethic (link local) and lo0
> - then start the vm again
> - the nics get plugged again and keepalived will decide on a new master
> - the nics are screwed up after this:
> ```
> root@r-1021-VM:~# ip a
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 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
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 0e:00:a9:fe:02:92 brd ff:ff:ff:ff:ff:ff
>     inet 169.254.2.146/16 brd 169.254.255.255 scope global eth0
> 5: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 02:00:18:34:00:05 brd ff:ff:ff:ff:ff:ff
>     inet x.y.238.24/24 brd x.y.238.255 scope global eth1
>     inet 10.0.0.51/24 brd 10.0.0.255 scope global eth1
>     inet 10.0.0.1/24 brd 10.0.0.255 scope global secondary eth1
> 6: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 06:d5:4e:00:00:1d brd ff:ff:ff:ff:ff:ff
>     inet x.y.238.25/24 brd x.y.238.255 scope global eth2
>     inet 10.0.0.1/24 brd 10.0.0.255 scope global eth2
> root@r-1021-VM:~#
> ```
> Public and tier ip addresses are mixed up.
> /etc/cloudstack/ips.json has the wrong info:
> ```
> {                                                                                   
                                                                                         
                  [44/959]
>     "eth0": [
>         {
>             "add": true,
>             "broadcast": "169.254.255.255",
>             "cidr": "169.254.2.146/16",
>             "device": "eth0",
>             "gateway": "None",
>             "netmask": "255.255.0.0",
>             "network": "169.254.0.0/16",
>             "nic_dev_id": "0",
>             "nw_type": "control",
>             "one_to_one_nat": false,
>             "public_ip": "169.254.2.146",
>             "size": "16",
>             "source_nat": false
>         }
>     ],
>     "eth1": [
>         {
>             "add": true,
>             "broadcast": "x.y.238.255",
>             "cidr": "x.y.238.24/24",
>             "device": "eth1",
>             "first_i_p": true,
>             "gateway": "x.y.238.1",
>             "netmask": "255.255.255.0",
>             "network": "x.y.238.0/24",
>             "new_nic": false,
>             "nic_dev_id": 1,
>             "nw_type": "public",
>             "one_to_one_nat": false,
>             "public_ip": "x.y.238.24",
>             "size": "24",
>             "source_nat": true,
>             "vif_mac_address": "06:fc:da:00:00:1c"
>         },
>         {
>             "add": true,
>             "broadcast": "10.0.0.255",
>             "cidr": "10.0.0.51/24",
>             "device": "eth1",
>             "gateway": "10.0.0.1",
>             "netmask": "255.255.255.0",
>             "network": "10.0.0.0/24",
>             "nic_dev_id": "1",
>             "nw_type": "guest",
>             "one_to_one_nat": false,
>             "public_ip": "10.0.0.51",
>             "size": "24",
>             "source_nat": false
>         }
>     ],
>     "eth2": [
>         {
>             "add": false,
>             "broadcast": "10.0.0.255",
>             "cidr": "10.0.0.173/24",
>             "device": "eth2",
>             "gateway": "10.0.0.1",
>             "netmask": "255.255.255.0",
>             "network": "10.0.0.0/24",
>             "nic_dev_id": "2",
>             "nw_type": "guest",
>             "one_to_one_nat": false,
>             "public_ip": "10.0.0.173",
>             "size": "24",
>             "source_nat": false
>         },
>         {
>             "add": true,
>             "broadcast": "x.y.238.255",
>             "cidr": "x.y.238.25/24",
>             "device": "eth2",
>             "first_i_p": true,
>             "gateway": "x.y.238.1",
>             "netmask": "255.255.255.0",
>             "network": "x.y.238.0/24",
>             "new_nic": false,
>             "nic_dev_id": 2,
>             "nw_type": "public",
>             "one_to_one_nat": false,
>             "public_ip": "x.y.238.25",
>             "size": "24",
>             "source_nat": true,
>             "vif_mac_address": "06:d5:4e:00:00:1d"
>         }
>     ],
>     "id": "ips"
> ```
> Pinging [~wilder.rodrigues]



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