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MetroCluster® Management
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Perform switchover, healing, and switchback
You can perform MetroCluster switchover and switchback operations, both in planned maintenance operations or in the event of a disaster.
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PDF of this doc site
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Install a fabric-attached MetroCluster
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Install a stretch MetroCluster configuration
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Transition from MetroCluster FC to MetroCluster IP
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Collection of separate PDF docs
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- MetroCluster
- Release Notes
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Install a fabric-attached MetroCluster
- Overview
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Prepare for the MetroCluster installation
- Differences among the ONTAP MetroCluster configurations
- Cluster peering
- Considerations for MetroCluster configurations with native disk shelves or array LUNs
- Considerations when transitioning from 7-Mode to ONTAP
- Considerations for ISLs
- Considerations for using TDM/WDM equipment with fabric-attached MetroCluster configurations
- Requirements for using a Brocade DCX 8510-8 switch
- Considerations when using unmirrored aggregates
- Firewall usage at MetroCluster sites
- Choose the correct installation procedure for your configuration
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Cable a fabric-attached MetroCluster configuration
- Overview
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Parts of a fabric MetroCluster configuration
- Required MetroCluster FC components and naming conventions
- Configuration worksheet for FC switches and FC-to-SAS bridges
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Install and cable MetroCluster components
- Rack the hardware components
- Cable the new controller module’s FC-VI and HBA ports to the FC switches
- Cable the ISLs between MetroCluster sites
- Port assignments for systems using two initiator ports
- Port assignments for FC switches when using ONTAP 9.0
- Port assignments for FC switches when using ONTAP 9.1 and later
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Port assignments for FC switches when using AFF A900 systems
- Cabling the cluster interconnect in eight- or four-node configurations
- Cable the cluster peering connections
- Cable the HA interconnect, if necessary
- Cable the management and data connections
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Configure the FC switches
- Install FC-to-SAS bridges and SAS disk shelves
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Configure hardware for sharing a Brocade 6510 FC fabric during transition
- Configure the MetroCluster software in ONTAP
- Considerations for using virtual IP and Border Gateway Protocol with a MetroCluster configuration
- Test the MetroCluster configuration
- Considerations when removing MetroCluster configurations
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Plan and install a MetroCluster configuration with array LUNs
- Plan for a MetroCluster configuration with array LUNs
- Supported MetroCluster configuration with array LUNs
- Requirements for a MetroCluster configuration with array LUNs
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Install and cable the MetroCluster components in a configuration with array LUNs
- Rack the hardware components in a MetroCluster configuration with array LUNs
- Prepare a storage array for use with ONTAP systems
- Switch ports required for a MetroCluster configuration with array LUNs
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Cable the FC-VI and HBA ports in a MetroCluster configuration with array LUNs
- Cable the FC-VI and HBA ports in a two-node fabric-attached MetroCluster configuration with array LUNs
- Cable the FC-VI and HBA ports in a four-node fabric-attached MetroCluster configuration with array LUNs
- Cable the FC-VI and HBA ports in an eight-node fabric-attached MetroCluster configuration with array LUNs
- Cable the ISLs in a MetroCluster configuration with array LUNs
- Cable the cluster interconnect in eight- or four-node configurations
- Cable the cluster peering connections
- Cable the HA interconnect, if necessary
- Cable the management and data connections
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Cable storage arrays to FC switches in a MetroCluster configuration
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Switch zoning in a MetroCluster configuration with array LUNs
- Requirements for switch zoning in a MetroCluster configuration with array LUNs
- Example of switch zoning in a two-node MetroCluster configuration with array LUNs
- Example of switch zoning in a four-node MetroCluster configuration with array LUNs
- Example of switch zoning in an eight-node MetroCluster configuration with array LUNs
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Set up ONTAP in a MetroCluster configuration with array LUNs
- Verifying and configuring the HA state of components in Maintenance mode
- Configuring ONTAP on a system that uses only array LUNs
- Set up the cluster
- Install the license for using array LUNs in a MetroCluster configuration
- Configuring FC-VI ports on a X1132A-R6 quad-port card on FAS8020 systems
- Assign ownership of array LUNs
- Peer the clusters
- Mirror the root aggregates
- Create data aggregates on, implementing, and verifying the MetroCluster configuration
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Implement a MetroCluster configuration with both disks and array LUNs
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How to use the Active IQ Unified Manager and ONTAP System Manager for further configuration and monitoring
- Considerations when using ONTAP in a MetroCluster configuration
- Where to find additional information
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Install a MetroCluster IP configuration
- Overview
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Prepare for the MetroCluster installation
- Differences among the ONTAP MetroCluster configurations
- Deciding between ONTAP Mediator and MetroCluster Tiebreaker
- Considerations for MetroCluster IP configurations
- Automatic drive assignment and ADP systems in ONTAP 9.4 and later
- Cluster peering
- ISL requirements
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How to use layer 3 wide-area networks
- Sharing private layer 2 networks
- How to use MetroCluster-compliant switches
- How to use TDM/xWDM and encryption equipment with MetroCluster IP configurations
- Unmirrored aggregates in a MetroCluster IP configuration
- Firewall usage at MetroCluster sites
- Considerations for using virtual IP and Border Gateway Protocol with a MetroCluster configuration
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Configure the MetroCluster hardware components
- Parts of a MetroCluster IP configuration
- Required MetroCluster IP components and naming conventions
- Rack the hardware components
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Cable the MetroCluster IP switches
- How to use the port tables with the RcfFileGenerator tool or multiple MetroCluster configurations
- Platform port assignments for Cisco 3132Q-V switches
- Platform port assignments for Cisco 3232C or Cisco 9336C switches
- Platform port assignments for Broadcom supported BES-53248 IP switches
- Platform port assignments for NVIDIA supported SN2100 IP switches
- Cable the controller data and management ports
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Configure the MetroCluster IP switches
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Configure the MetroCluster software in ONTAP
- Overview
- How to configure eight-node Configurations
- Gather required information
- Similarities and differences between standard cluster and MetroCluster configurations
- Verify the ha-config state of components
- Restoring system defaults on a controller module
- Manually assigning drives to pool 0
- Setting up ONTAP
- Configure the clusters into a MetroCluster configuration
- Verify switchover, healing, and switchback
- Configure the MetroCluster Tiebreaker or ONTAP Mediator software
- Protect configuration backup files
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Configure the ONTAP Mediator service for unplanned automatic switchover
- Prepare to install the ONTAP Mediator service
- Configuring the ONTAP Mediator service from a MetroCluster IP configuration
- Unconfigure the ONTAP Mediator service from the MetroCluster IP configuration
- Connect a MetroCluster configuration to a different ONTAP Mediator instance
- Risks and limitations of using MetroCluster automatic forced switchover
- Testing the MetroCluster configuration
- Considerations when removing MetroCluster configurations
- Considerations when using ONTAP in a MetroCluster configuration
- Where to find additional information
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Install a stretch MetroCluster configuration
- Overview
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Prepare for the MetroCluster installation
- Choose the correct installation procedure for your configuration
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Cable a two-node SAS-attached stretch MetroCluster configuration
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Cable a two-node bridge-attached stretch MetroCluster configuration
- Overview
- Parts of a two-node bridge-attached stretch MetroCluster configuration
- Required MetroCluster hardware components and naming conventions for two-node bridge-attached stretch configurations
- Information gathering worksheet for FC-to-SAS bridges
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Install and cable MetroCluster components
- Install FC-to-SAS bridges and SAS disk shelves
- Configure the MetroCluster software in ONTAP
- Considerations for using virtual IP and Border Gateway Protocol with a MetroCluster configuration
- Test the MetroCluster configuration
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Connections in a stretch MetroCluster configurations with array LUNs
- Considerations when removing MetroCluster configurations
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How to use the Active IQ Unified Manager and ONTAP System Manager for further configuration and monitoring
- Considerations when using ONTAP in a MetroCluster configuration
- Transitioning from a stretch to a fabric-attached MetroCluster configuration
- Where to find additional information
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Install and Configure MetroCluster Tiebreaker
- Overview of the Tiebreaker software
- Install the Tiebreaker software
- Configure the Tiebreaker software
- Configure SNMP settings for Tiebreaker software
- Monitor the MetroCluster configuration
- Risks and limitations of using MetroCluster Tiebreaker in active mode
- Firewall requirements for MetroCluster Tiebreaker
- MetroCluster Tiebreaker event log files
- Where to find additional information
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Understand MetroCluster data protection and disaster recovery
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Perform switchover, healing, and switchback
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Perform switchover for tests or maintenance
- Commands for switchover, healing, and switchback
- Monitor the MetroCluster configuration
- Monitor and protecting the file system consistency using NVFAIL
- Where to find additional information
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Maintain the MetroCluster components
- Where to find procedures for MetroCluster maintenance tasks
- MetroCluster failure and recovery scenarios
- Remove ONTAP Mediator or Tiebreaker monitoring before performing maintenance tasks
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FC-to-SAS bridge maintenance
- Support for FibreBridge 7600N bridges in MetroCluster configurations
- Support for FibreBridge 7500N bridges in MetroCluster configurations
- Enable IP port access on the FibreBridge 7600N bridge if necessary
- Update firmware on a FibreBridge bridge
- Replace a single FC-to-SAS bridge
- Replace a pair of FibreBridge 6500N bridges with 7600N or 7500N bridges
- Requirements for using other interfaces to configure and manage FibreBridge bridges
- Hot-replace a failed power supply module
- In-band management of the FC-to-SAS bridges
- Secure or unsecure the FibreBridge bridge
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FC switch maintenance and replacement
- Upgrade or downgrade the firmware on a Brocade FC switch
- Upgrade or downgrade the firmware on a Cisco FC switch
- Upgrade to new Brocade FC switches
- Replace a Brocade FC switch
- Rename a Brocade FC switch
- Disabling encryption on Brocade FC switches
- Changing ISL properties, ISL ports, or the IOD/OOD configuration on a Brocade switch
- Replace a Cisco FC switch
- Changing speed of ISL ports on a Cisco FC switch
- Adding lSLs to a Cisco switch
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IP switch maintenance and replacement
- Add, remove, or change ISL ports nondisruptively
- How to identify storage in a MetroCluster IP configuration
- Add shelves to a MetroCluster using shared Storage/MetroCluster switches
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Hot add storage to a MetroCluster FC configuration
- Hot add a SAS disk shelf in a direct-attached MetroCluster FC configuration using SAS optical cables
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Hot add SAS storage to a bridge-attached MetroCluster FC configuration
- Hot add a stack of SAS disk shelves to an existing pair of FibreBridge 7500N bridges
- Hot add a stack of SAS disk shelves and bridges to a MetroCluster system
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Hot add a SAS disk shelf to a stack of SAS disk shelves
- Hot add an IOM12 disk shelf to a stack of IOM6 disk shelves in a bridge-attached MetroCluster configuration
- Hot-remove storage from a MetroCluster FC configuration
- Replace a shelf nondisruptively in a stretch MetroCluster configuration
- Replace a shelf nondisruptively in a fabric-attached MetroCluster configuration
- When to migrate root volumes to a new destination
- Move a metadata volume in MetroCluster configurations
- Rename a cluster in MetroCluster configurations
- Power off and power on a data center
- Power off an entire MetroCluster IP configuration
- Power off an entire MetroCluster FC configuration
- Reconfigure an FC switch layout configured before ONTAP 9.x
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Port assignments for FC switches
- How to use the Interoperability Matrix Tool to find MetroCluster information
- Where to find additional information
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Transition from MetroCluster FC to MetroCluster IP
- Choose your transition procedure
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Transition nondisruptively from a MetroCluster FC to a MetroCluster IP configuration (ONTAP 9.8 and later)
- Overview
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Prepare for transition from a MetroCluster FC to a MetroCluster IP configuration
- Requirements for nondisruptive FC-to-IP transition
- How transition impacts the MetroCluster hardware components
- Workflow for nondisruptive MetroCluster transition
- Considerations for IP switches
- Switchover, healing, and switchback operations during nondisruptive transition
- Alert messages and tool support during transition
- Example naming in this procedure
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Transition from MetroCluster FC to MetroCluster IP configurations
- Verify the health of the MetroCluster configuration
- Remove the existing configuration from the Tiebreaker or other monitoring software
- Generating and applying RCFs to the new IP switches
- Move the local cluster connections
- Prepare the MetroCluster IP controllers
- Configure the MetroCluster for transition
- Move the data to the new drive shelves
- Remove the MetroCluster FC controllers
- Complete the transition
- Send a custom AutoSupport message after maintenance
- Restore Tiebreaker or Mediator monitoring
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Disruptively transition from a two-node MetroCluster FC to a four-node MetroCluster IP configuration (ONTAP 9.8 and later)
- Disruptively transition from MetroCluster FC to MetroCluster IP when retiring storage shelves (ONTAP 9.8 and later)
- Disruptively transition when existing shelves are not supported on new controllers (ONTAP 9.8 and later)
- Move an FC SAN workload from MetroCluster FC to MetroCluster IP nodes
- Move Linux iSCSI hosts from MetroCluster FC to MetroCluster IP nodes
- Where to find additional information
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Upgrade, refresh, or expand the MetroCluster configuration
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Start here - Choose your procedure
- Upgrade controllers in MetroCluster FC using switchover and switchback
- Upgrade controllers (AFF A700/FAS9000 to AFF A900/FAS9500) in MetroCluster FC in a MetroCluster FC using switchover and switchback (ONTAP 9.10.1 or later)
- Upgrade controllers in four-node MetroCluster FC using switchover and switchback with "system controller replace" commands (ONTAP 9.10.1 and later)
- Upgrade controllers in MetroCluster IP using switchover and switchback (ONTAP 9.8 and later)
- Upgrade controllers (AFF A700/FAS9000 to AFF A900/FAS9500) in MetroCluster IP using switchover and switchback (ONTAP 9.10.1 or later)
- Refresh a four-node MetroCluster FC configuration
- Refresh a four-node MetroCluster IP configuration (ONTAP 9.8 and later)
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Expand a two-node MetroCluster FC configuration to a four-node configuration
- Overview
- Verify the state of the MetroCluster configuration
- Send a custom AutoSupport message before adding noxdes to the MetroCluster configuration
- Zone for the new controller ports when adding a controller module in a fabric-attached MetroCluster configuration
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Add a new controller module to each cluster
- Overview
- Prepare for the upgrade
- Clear the configuration on a controller module
- Prepare cluster ports on an existing controller module
- Prepare the netboot server to download the image
- Set the HA mode on the existing controller module
- Shut down the existing controller module
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Install and cable the new controller module
- Power up both controller modules and displaying the LOADER prompt
- Change the ha-config setting on the existing and new controller modules
- Set the partner system ID for both controller modules
- Boot the existing controller module
- Assign disks to the new controller module
- Netboot and set up ONTAP on the new controller module
- Mirror the root aggregate on the new controller
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Configure intercluster LIFs
- Create a mirrored data aggregate on each node
- Install licenses for the new controller module
- Create unmirrored data aggregates
- Install the firmware after adding a controller module
- Refresh the MetroCluster configuration with new controllers
- Enable storage failover on both controller modules and enabl cluster HA
- Restart the SVMs
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Expand a four-node MetroCluster FC configuration to an eight-node configuration
- Overview
- Determining the new cable layout
- Rack the new equipment
- Verify the health of the MetroCluster configuration
- Check for MetroCluster configuration errors with Config Advisor
- Send a custom AutoSupport message prior to add nodes to the MetroCluster configuration
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Recable and zone a switch fabric for the new nodes
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Configure ONTAP on the new controllers
- Clear the configuration on a controller module
- Assign disk ownership in AFF systems
- Assign disk ownership in non-AFF systems
- Verify the ha-config state of components
- Boot the new controllers and join them to the cluster
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Configure the clusters into a MetroCluster configuration
- Check for MetroCluster configuration errors with Config Advisor
- Send a custom AutoSupport message after to add nodes to the MetroCluster configuration
- Verify switchover, healing, and switchback
- Expand a four-node MetroCluster IP configuration to an eight-node configuration
- Remove a Disaster Recovery group
- Where to find additional information
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Recover from a disaster
- Workflow for disaster recovery
- Perform a forced switchover after a disaster
- Choosing the correct recovery procedure
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Recover from a multi-controller or storage failure
- Before you begin
- Replace hardware and boot new controllers
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Prepare for switchback in a MetroCluster IP configuration
- Overview
- Set required environmental variables in MetroCluster IP configurations
- Power on the equipment at the disaster site (MetroCluster IP configurations)
- Configure the IP switches (MetroCluster IP configurations)
- Verify storage connectivity to the remote site (MetroCluster IP configurations)
- Reassign disk ownership for pool 1 disks on the disaster site (MetroCluster IP configurations)
- Boot to ONTAP on replacement controller modules in MetroCluster IP configurations
- Restore connectivity from the surviving nodes to the disaster site (MetroCluster IP configurations)
- Verify automatic assignment or manually assign pool 0 drives
- Assign pool 1 drives on the surviving site (MetroCluster IP configurations)
- Delete failed plexes owned by the surviving site (MetroCluster IP configurations)
- Perform aggregate heal and restore mirrors (MetroCluster IP configurations)
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Prepare for switchback in a MetroCluster FC configuration
- Verify port configuration (MetroCluster FC configurations only)
- Configure the FC-to-SAS bridges (MetroCluster FC configurations only)
- Configure the FC switches (MetroCluster FC configurations only)
- Verify the storage configuration
- Power on the equipment at the disaster site
- Assign ownership for replaced drives
- Perform aggregate healing and restore mirrors (MetroCluster FC configurations)
- Reassign disk ownership for root aggregates to replacement controller modules (MetroCluster FC configurations)
- Boot the new controller modules (MetroCluster FC configurations)
- Prepare the nodes for switchback in a mixed configuration (recovery during transition)
- Complete recovery
- Recover from a non-controller failure
- Legal notices