[Gluster-users] [Q] Successful Gluster Peer Probe via GRE tunnel, but State returns Accepted peer request (Connected/Disconnected)

Tohru Kao jacoder at yahoo.com
Wed Sep 9 19:49:59 UTC 2015


Hi Humble,

Could you share your work around?

Thanks,
-Tohru


> On Sep 7, 2015, at 9:43 PM, Atin Mukherjee <amukherj at redhat.com> wrote:
> 
> + Humble
> 
> Considering you had recently faced a similar problem, you could share
> the work around.
> 
> On 09/08/2015 09:15 AM, Tohru_Kao wrote:
>> Hi all,
>> 
>> This is regarding using Gluster 3.7.4 with GRE tunnel between 2 Ubuntu
>> (14.04.3) VMs.
>> 
>> ### Observation
>> 
>> After Gluster Peer Probe success, Status returns few thing strange:
>> 
>> #1: the State as "Accepted peer request (Connected/Disconnected)”.
>> #2: IP address return is the Tunnel IP, not probed host IP.
>> 
>> * Environments and GRE commands I applied are listed below.
>> * GRE tunnel settings are done by
>> referring http://ask.xmodulo.com/create-gre-tunnel-linux.html
>> 
>> ### Questions
>> 
>> Q1:
>>  Do I need to add/set additional parameters in glusterd.vol  because of
>> GRE ?
>> 
>> Q2:
>>  Are my GRE tunnel command settings wrong ? or missing some commands?
>> 
>> Any idea?
>> 
>> Appreciate any comments or pointers.
>> 
>> ### Note:
>> * Peer Probe via external IPs works properly.
>> 
>> Thank in Advance.
>> -JaCoder
>> 
>> ##############  Environment and Commands ############## 
>> Environment:
>>  U1: external ip address:  172.16.213.128   internal network:
>> 169.254.0.0/24
>>  U2: external ip address:  172.16.213.129   internal network:
>> 169.254.1.0/24
>> 
>> ### Output of ‘gluster peer probe’ and status
>> 
>> On U1
>> # gluster peer probe 169.254.1.1
>> peer probe: success. 
>> 
>> # gluster peer status
>> Number of Peers: 1
>> 
>> Hostname: 169.254.1.1
>> Uuid: b6519618-e3aa-4307-afce-8f3d0dae39fc
>> State: Accepted peer request (Connected)
>> ---
>> On U2
>> 
>> # gluster peer status
>> Number of Peers: 1
>> 
>> Hostname: 10.10.10.1
>> Uuid: 2306591b-25d6-41cf-ba50-db30ef0687bb
>> State: Accepted peer request (Disconnected)
>> 
>> 
>> ### glusterd.vol Files
>> On U1
>> 
>> # cat /etc/glusterfs/glusterd.vol 
>> volume management
>>    type mgmt/glusterd
>>    option working-directory /var/lib/glusterd
>>    option transport.socket.bind-address 169.254.0.1
>>    option transport-type socket,rdma
>>    option transport.socket.keepalive-time 10
>>    option transport.socket.keepalive-interval 2
>>    option transport.socket.read-fail-log off
>>    option ping-timeout 30
>> #   option base-port 49152
>> end-volume
>> 
>> ---
>> On U2
>> 
>> # cat /etc/glusterfs/glusterd.vol 
>> volume management
>>    type mgmt/glusterd
>>    option working-directory /var/lib/glusterd
>>    option transport.socket.bind-address 169.254.1.1
>>    option transport-type socket,rdma
>>    option transport.socket.keepalive-time 10
>>    option transport.socket.keepalive-interval 2
>>    option transport.socket.read-fail-log off
>>    option ping-timeout 30
>> #   option base-port 49152
>> end-volume
>> 
>> ### Output of ‘ifconfig | inet'
>> 
>> On U1
>> # ifconfig | grep inet
>>          inet addr:172.16.213.128  Bcast:172.16.213.255  Mask:255.255.255.0
>>          inet addr:169.254.0.1  Bcast:169.254.0.255  Mask:255.255.255.0
>>          inet addr:127.0.0.1  Mask:255.0.0.0
>>          inet addr:10.10.10.1  P-t-P:10.10.10.1  Mask:255.255.255.0
>> 
>> On U2
>> # ifconfig | grep inet
>>          inet addr:172.16.213.129  Bcast:172.16.213.255  Mask:255.255.255.0
>>          inet addr:169.254.1.1  Bcast:169.254.1.255  Mask:255.255.255.0
>>          inet addr:127.0.0.1  Mask:255.0.0.0
>>          inet addr:10.10.10.2  P-t-P:10.10.10.2  Mask:255.255.255.0
>> 
>> 
>> ### Applied GRE Tunnel Commands
>> On U1
>> 
>> modprobe ip_gre
>> ip tunnel add test-gre mode gre remote 172.16.213.129
>> local 172.16.213.128 ttl 255
>> ip link set test-gre up
>> ip addr add 10.10.10.1/24 dev test-gre
>> ip route add 169.254.1.0/24 dev test-gre
>> 
>> On U2
>> 
>> modprobe ip_gre
>> ip tunnel add test-gre mode gre remote 172.16.213.128
>> local 172.16.213.129 ttl 255
>> ip link set test-gre up
>> ip addr add 10.10.10.2/24 dev test-gre
>> ip route add 169.254.0.0/24 dev test-gre
>> 
>> ### Output of 'ip route show'
>> On U1
>> 
>> # ip route show
>> default via 172.16.213.2 dev eth0 
>> 10.10.10.0/24 dev test-gre  proto kernel  scope link  src 10.10.10.1 
>> 169.254.0.0/24 dev ux-br0  proto kernel  scope link  src 169.254.0.1 
>> 169.254.1.0/24 dev test-gre  scope link 
>> 172.16.213.0/24 dev eth0  proto kernel  scope link  src 172.16.213.128 
>> 
>> # ping 169.254.1.1
>> PING 169.254.1.1 (169.254.1.1) 56(84) bytes of data.
>> 64 bytes from 169.254.1.1: icmp_seq=1 ttl=64 time=0.340 ms
>> 64 bytes from 169.254.1.1: icmp_seq=2 ttl=64 time=0.305 ms
>> 
>> ---
>> On U2
>> 
>> # ip route show
>> default via 172.16.213.2 dev eth0 
>> 10.10.10.0/24 dev test-gre  proto kernel  scope link  src 10.10.10.2 
>> 169.254.0.0/24 dev test-gre  scope link 
>> 169.254.1.0/24 dev ux-br0  proto kernel  scope link  src 169.254.1.1 
>> 172.16.213.0/24 dev eth0  proto kernel  scope link  src 172.16.213.100
>> 
>> # ping 169.254.0.1
>> PING 169.254.0.1 (169.254.0.1) 56(84) bytes of data.
>> 64 bytes from 169.254.0.1: icmp_seq=1 ttl=64 time=0.720 ms
>> 64 bytes from 169.254.0.1: icmp_seq=2 ttl=64 time=0.298 ms
>> 
>> 
>> === End ===
>> 
>> 
>> 
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>> 



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