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cluster ring show

Display cluster node member's replication rings

Availability: This command is available to cluster administrators at the advanced privilege level.

Description

The cluster ring show command displays a cluster's ring-replication status. Support personnel might ask you to run this command to assist with troubleshooting.

Parameters

{ [-fields <fieldname>, ...]
If you specify the -fields <fieldname>, ... parameter, the command output also includes the specified field or fields. You can use '-fields ?' to display the fields to specify.
| [-instance ]}
If you specify the -instance parameter, the command displays detailed information about all fields.
[-node {<nodename>|local}] - Node
Selects the rings that match this parameter value.
[-unitname {mgmt|vldb|vifmgr|bcomd|crs|availd}] - Unit Name
Selects the rings that match this parameter value. Possible values are:
  • mgmt - The management application

  • vldb - The volume location database

  • vifmgr - The virtual-interface manager

  • bcomd - The SAN management daemon

  • crs - The configuration replication service

[-online {master|secondary|offline}] - Status
Selects the rings that match this parameter value.
[-epoch <integer>] - Epoch
Selects the rings that match this parameter value.
[-master <nodename>] - Master Node
Selects the rings that match this parameter value.
[-local <nodename>] - Local Node
Selects the rings that match this parameter value.
[-db-epoch <integer>] - DB Epoch
Selects the rings that match this parameter value.
[-db-trnxs <integer>] - DB Transaction
Selects the rings that match this parameter value.
[-num-online <integer>] - Number Online
Selects the rings that match this parameter value.
[-rdb-uuid <UUID>] - RDB UUID
Selects the rings that match this parameter value.

Examples

The following example displays information about all replication rings in a two-node cluster:

cluster1::*> cluster ring show
Node UnitName Epoch DB Epoch DB Trnxs Master Online
--------- -------- -------- -------- -------- --------- ---------
node0 mgmt 1 1 1068 node0 master
node0 vldb 1 1 98 node0 master
node0 vifmgr 1 1 350 node0 master
node0 bcomd 1 1 56 node0 master
node0 crs 1 1 88 node0 master
node1 mgmt 1 1 1068 node0 secondary
node1 vldb 1 1 98 node0 secondary
node1 vifmgr 1 1 350 node0 secondary
node1 bcomd 1 1 56 node0 secondary
node1 crs 1 1 88 node0 secondary
10 entries were displayed.