Chapter 3. Verifying successful CephFS through NFS deployment

Procedure

1. Log in to one of the controllers in the overcloud.

2. Enter the following command to check the connected networks and verify the existence of the VLAN as set in network_data_ganesha.yaml:

   $ ip a
   15: vlan310: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
       link/ether 32:80:cf:0e:11:ca brd ff:ff:ff:ff:ff:ff
       inet 172.16.4.4/24 brd 172.16.4.255 scope global vlan310
          valid_lft forever preferred_lft forever
       inet 172.16.4.7/32 brd 172.16.4.255 scope global vlan310
          valid_lft forever preferred_lft forever
       inet6 fe80::3080:cfff:fe0e:11ca/64 scope link
          valid_lft forever preferred_lft forever

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Procedure

1. Enter the following command on all Controller nodes to check the status of the MDS container:

   $ systemctl status ceph-mds@<CONTROLLER-HOST>

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   ceph-mds@controller-0.service - Ceph MDS
      Loaded: loaded (/etc/systemd/system/ceph-mds@.service; enabled; vendor preset: disabled)
      Active: active (running) since Tue 2018-09-18 20:11:53 UTC; 6 days ago
    Main PID: 65066 (conmon)

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Procedure

1. Log in to the active Controller node.

2. Enter the following command:

   $ sudo ceph -s
   
   cluster:
       id: 3369e280-7578-11e8-8ef3-801844eeec7c
       health: HEALTH_OK
   
     services:
       mon: 3 daemons, quorum overcloud-controller-1,overcloud-controller-2,overcloud-controller-0
       mgr: overcloud-controller-1(active), standbys: overcloud-controller-2, overcloud-controller-0
       mds: cephfs-1/1/1 up  {0=overcloud-controller-0=up:active}, 2 up:standby
       osd: 6 osds: 6 up, 6 in

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   Result

   Notice there is one active MDS and two MDSs on standby.

3. To check the status of the Ceph file system in more detail, enter the following command and replace <cephfs> with the name of the Ceph file system:

   $ sudo ceph fs ls
   
   name: cephfs, metadata pool: manila_metadata, data pools: [manila_data]

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Procedure

1. Log in to the undercloud.

2. Enter the following command:

   $ source /home/stack/overcloudrc

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3. Enter the following command to confirm manila-scheduler and manila-share are enabled:

   $ manila service-list
   
   | Id | Binary          | Host             | Zone | Status | State | Updated_at |
   
   | 2 | manila-scheduler | hostgroup        | nova | enabled | up | 2018-08-08T04:15:03.000000 |
   | 5 | manila-share | hostgroup@cephfs | nova | enabled | up | 2018-08-08T04:15:03.000000 |

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