[Linux-cluster] Re: kernel noise, "Neighbour table overflow." ?

[aberoham at gmail.com]

Now, the same nodes that give the Neighbour table overflow messages are
unable to ping?! Chcek this out --

[root at gfs02 ~]# ping 192.168.60.188
connect: No buffer space available
[root at gfs02 ~]# printk: 4 messages suppressed.
Neighbour table overflow.
printk: 6 messages suppressed.
Neighbour table overflow.
printk: 5 messages suppressed.
Neighbour table overflow.
printk: 1 messages suppressed.

[root at gfs02 ~]# uptime
 19:32:32 up 4 days,  2:00,  4 users,  load average: 0.03, 0.07, 0.08
[root at gfs02 ~]#

[root at gfs02 ~]# clustat
Member Status: Quorate

  Member Name                              Status
  ------ ----                              ------
  gfs03                                    Online, rgmanager
  gfs02                                    Online, Local, rgmanager
  gfs01                                    Online, rgmanager

  Service Name         Owner (Last)                   State
  ------- ----         ----- ------                   -----
  nfshome              gfs03                          started
  ip-test              gfs03                          started
  jukebox              gfs02                          started


[root at gfs02 ~]# cman_tool status
Protocol version: 5.0.1
Config version: 93
Cluster name: gfscluster
Cluster ID: 41396
Cluster Member: Yes
Membership state: Cluster-Member
Nodes: 3
Expected_votes: 3
Total_votes: 3
Quorum: 2
Active subsystems: 8
Node name: gfs02
Node addresses: 10.0.19.11




On 4/17/06, aberoham at gmail.com <aberoham at gmail.com> wrote:
>
>
> I'm running a test three-node CS/GFS cluster. At random intervals I get
> the following kernel messages streaming out to /dev/console on all three
> nodes.
>
> ---
> Neighbour table overflow.
> printk: 166 messages suppressed.
> Neighbour table overflow.
> printk: 1 messages suppressed.
> Neighbour table overflow.
> printk: 1 messages suppressed.
> Neighbour table overflow.
> printk: 6 messages suppressed.
> Neighbour table overflow.
> printk: 5 messages suppressed.
> Neighbour table overflow.
> printk: 15 messages suppressed.
> Neighbour table overflow.
> printk: 7 messages suppressed.
> Neighbour table overflow.
> printk: 11 messages suppressed.
> ---
>
> Are these messages related to CS/GFS? What triggers 'em? And should I
> worry about it?
>
> I'm running Linux 2.6.9-34.ELsmp, GFS-kernel-smp-2.6.9-45, GFS-6.1.5-0 and
> dlm-kernel-smp-2.6.9-41.7.
>
> [root at gfs02 ~]# service cman status
> Protocol version: 5.0.1
> Config version: 73
> Cluster name: gfscluster
> Cluster ID: 41396
> Cluster Member: Yes
> Membership state: Cluster-Member
> Nodes: 3
> Expected_votes: 3
> Total_votes: 3
> Quorum: 2
> Active subsystems: 8
> Node name: gfs02
> Node addresses: 10.0.19.11
>
> [root at gfs02 ~]# cat /proc/cluster/services
> Service          Name                              GID LID State     Code
> Fence Domain:    "default"                           1   2 run       -
> [1 2 3]
>
> DLM Lock Space:  "clvmd"                             2   3 run       -
> [1 2 3]
>
> DLM Lock Space:  "Magma"                             4   5 run       -
> [1 2 3]
>
> DLM Lock Space:  "gfstest"                           5   6 run       -
> [1 2]
>
> GFS Mount Group: "gfstest"                           6   7 run       -
> [1 2]
>
> User:            "usrm::manager"                     3   4 run       -
> [1 2 3]
>
>
> Thanks.
>
>
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