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FusionCloud 6.3.1.1 Troubleshooting Guide 02

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elb_etcd Node Service Exception

elb_etcd Node Service Exception

Symptom

The elb_api node fails to issue configurations to elb_etcd nodes.

Possible Causes

An exception has occurred in the etcd process.

Procedure

  1. Use PuTTY to log in to the netcluster_elb_etcd_vm_1_01 node.

    The default username is elb and the default password is cnp200@HW.

  2. Run the following command to check whether the etcd process is running properly:

    ps -ef|grep etcd

    • If yes, the following information is displayed:
      [elb@localhost ~]$ ps -ef|grep etcd |grep -v grep
      elb       1288      1  0 19:02 ?        00:00:00 sh /usr/local/NSP/scripts/start_etcd.sh
      elb       1289   1288  1 19:02 ?        00:01:13 /usr/local/NSP/etcd-v2.2.4-linux-amd64/etcd --name host_51 --data-dir /usr/local/NSP --initial-advertise-peer-urls http://128.8.18.51:2380 --listen-peer-urls http://128.8.18.51:2380 --listen-client-urls https://128.8.18.51:2379,https://127.0.0.1:2379 --advertise-client-urls https://128.8.18.51:2379 --initial-cluster-token etcd-elb --initial-cluster host_51=http://128.8.18.51:2380,host_52=http://128.8.18.52:2380,host_53=http://128.8.18.53:2380 --initial-cluster-state new --cert-file=/usr/local/NSP/cert/server.crt --key-file=/usr/local/ASP/cert/server.key
    • If no, go to 3.

  3. Run the following command to start the etcd process:

    sh /usr/local/NSP/scripts/start_etcd.sh

    NOTE:

    If the etcd process fails to restart, perform 4 to 14 to switch over the ELB service to non-ETCD mode and then contact technical support for assistance.

Switch over the ELB service to non-ETCD mode.

  1. Use PuTTY to log in to the netcluster_elb_api_vm_1_01 node.

    The default username is elb and the default password is cnp200@HW.

  1. Run the following command to edit the conf.lua configuration file, set configuration.use_conf_center to false, save the file, and exit:

    vi /usr/local/NSP/etc/elb/conf/conf.lua

  2. Run the following command to reload the elb_api node:

    sh /usr/local/NSP/etc/elb/bin/elb_process.sh reload

  3. Log in to the netcluster_elb_api_vm_1_02 node and repeat 5 and 6.
  4. Use PuTTY to log in to the netcluster_elb_lvs_vm_1_01 node.

    The default username is elb and the default password is cnp200@HW.

  5. Run the following command to modify the configure.lua configuration file, set configuration.use_conf_center to false, save the file, and exit:

    vi /usr/local/NSP/etc/lua/conf/configure.lua

  6. Run the following command to reload the Nginx process on the elb_lvs node:

    sh /usr/local/NSP/etc/lua/bin/reload_lvs.sh

  7. Log in to the netcluster_elb_lvs_vm_1_02 node and repeat 9 and 10.
  8. Use PuTTY to log in to the netcluster_elb_nginx_1_01 node.

    The default username is elb and the default password is cnp200@HW.

  9. Run the following command to modify the configure.lua configuration file, set configuration.use_conf_center to false, save the file, and exit:

    vi /usr/local/NSP/etc/lua/conf/configure.lua

  10. Run the following command to reload the Nginx process on the elb_nginx node:

    sh /usr/local/NSP/etc/router/bin/reload_nginx.sh

  11. Log in to the netcluster_elb_lvs_nginx_1_02 node and repeat 13 and 14.
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Updated: 2019-06-10

Document ID: EDOC1100063248

Views: 22727

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