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Dell EMC Metro node 7.1 CLI Guide

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cluster status

Displays a cluster's operational status and health state.

Contexts

All contexts.

Syntax

cluster status

Description

The following table shows the fields displayed in the cluster status command:

Table 1. cluster status field descriptions
Field Description
operational status Operational status of the cluster. During transition periods cluster moves from one operational state to another.
  • cluster departure - One or more of the clusters cannot be contacted. Commands affecting distributed storage are refused.
  • degraded - The location is not functioning at an optimal level. This may indicate non-functioning remote virtual volume, unhealthy devices or storage volumes, suspended devices, conflicting director count configuration values, out-of-date devices, and so forth.
  • device initializing - If clusters cannot communicate with each other, then the distributed-device will be unable to initialize.
  • device out of date - Child devices are being marked fully out of date. Sometimes this occurs after a link outage.
  • expelled - The cluster has been isolated from the island either manually (by an administrator) or automatically (by a system configuration setting).
  • ok - The cluster is operating normally.
  • shutdown - The cluster’s directors are shutting down.
  • suspended exports - Some I/O is suspended. This could be result of a link failure or loss of a director. Other states might indicate the true problem. It may not be a problem, and the metro node might be waiting for you to confirm the resumption of I/O.
  • transitioning - Components of the software are recovering from a previous incident (for example, the loss of a director or the loss of an inter-cluster link).
transitioning -indications Additional information if the transitioning-progress is anything other than blank.
transitioning-progress Indicates progress for supported transitions.
health-state critical failure - The cluster is not functioning and may have failed completely. This may indicate a complete loss of back-end connectivity.
  • degraded - The cluster is not functioning at an optimal level. This may indicate non-functioning remote virtual volume, unhealthy devices or storage volumes, suspended devices, conflicting director count configuration values, or out-of-date devices.
  • ok - The cluster is functioning normally.
  • unknown - Metro node cannot determine the cluster's health state, or the state is invalid.
  • major failure - The cluster is failing and some functionality may be degraded or unavailable. This may indicate complete loss of back-end connectivity.
  • minor failure - The cluster is functioning, but some functionality may be degraded. This may indicate one or more unreachable storage volumes.
health-indications Additional information if the health-state field is anything other than ok.
local-com ok - All wan-com links have the expected connectivity: this port-group is operating correctly.
  • warning - Some links have unexpected connectivity. This port-group is operational but not properly configured. Performance may not be optimal.
  • error - Some connectivity is missing from this port-group. It is not operating correctly.
  • fail - All connectivity is missing from this port-group. wan-com is not operational.
virtual-ha ok - The cluster is Highly Available.
  • major failure - The cluster is not Highly Available and some functionality may be degraded or unavailable.
  • minor failure - The cluster is functioning, but some functionality may be degraded.
  • failed to validate virtual-ha - Indicates that evaluation of the virtual-ha status failed, and provides some details why the virtual-ha status could not be validated.
Certificates
  • ok - The system has a valid certificate.
  • warning - The certificate will expire in 30 days. Expired certificates can impact inter-cluster connectivity, which can lead to data unavailability. Renew the certificates using the vplex_system_config -i --show-ssl-certificates command before their expiry.
  • error - The certificate has expired, or a certificate is not found on the cluster. Expired certificates can impact inter-cluster connectivity and it can lead to data unavailability. If a certificate is expired, renew it using the vplex_system_config -i --show-ssl-certificates command. If a certificate is not found on the system, create new certificates using the vplex_system_config -i --update-ssl-certificates command.
wan-com

full - All port-groups have a status of either ok or warning. wan-com connectivity is complete through minor configuration errors may still exist. See individual port-group statuses.

  • partial - Some port-groups have a status of error or fail, but at least one port-group has a status of ok or warning. WAN COM is operating (possibly minimally) through at least one channel. Performance is degraded.
  • none - All port-groups have a status of either error or fail. wan-com is not operational.
  • not-applicable - The system is a single-cluster (i.e. Local) system. Validating wan-com connectivity is not applicable.
license Whether the license is installed or not.

See also

  • cluster summary
  • ds summary

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