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Oracle Solaris Cluster Geographic Edition Remote Replication Guide for Sun ZFS Storage Appliance     Oracle Solaris Cluster 4.1
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Document Information

Preface

1.  Configuring and Administering Sun ZFS Storage Appliance Protection Groups

2.  Migrating Services That Use Sun ZFS Storage Appliance Remote Replication

Detecting Cluster Failure on a System That Uses Sun ZFS Storage Appliance Remote Replication

Detecting Primary Cluster Failure

Detecting Secondary Cluster Failure

Migrating Services That Use Sun ZFS Storage Appliance Remote Replication With a Switchover

How to Switch Over Sun ZFS Storage Appliance Remote Replication From the Primary Cluster to the Secondary Cluster

Actions Performed by the Geographic Edition Software During a Switchover

Forcing a Takeover on a System That Uses Sun ZFS Storage Appliance Remote Replication

How to Force Immediate Takeover of Sun ZFS Storage Appliance Services by a Secondary Cluster

Recovering Services to a Cluster on a System That Uses Sun ZFS Storage Appliance Replication

Overview of Recovering Services

How to Resynchronize and Revalidate the Protection Group Configuration

How to Perform a Failback-Switchover on a System That Uses Sun ZFS Storage Appliance Replication

How to Perform a Failback-Takeover on a System That Uses Sun ZFS Storage Appliance Replication

Recovering From a Sun ZFS Storage Appliance Remote Replication Error

How to Detect Remote Replication Errors

How to Recover From a Sun ZFS Storage Appliance Remote Replication Error

Index

Migrating Services That Use Sun ZFS Storage Appliance Remote Replication With a Switchover

Perform a switchover of a Sun ZFS Storage protection group when you want to migrate services to the partner cluster in an orderly fashion.

A switchover consists of the following actions:

How to Switch Over Sun ZFS Storage Appliance Remote Replication From the Primary Cluster to the Secondary Cluster

Before You Begin

Before you switch over a protection group from the primary cluster to the secondary cluster, ensure that the following conditions are met:

  1. Assume the root role or assume a role that is assigned the Geo Management RBAC rights profile.

    For more information about RBAC, see Geographic Edition Software and RBAC in Oracle Solaris Cluster Geographic Edition System Administration Guide.


    Note - If you use a role with Geo Management RBAC rights, ensure that the /var/cluster/geo ACLs are correct on each node of both partner clusters. If necessary, assume the root role on the cluster node and set the correct ACLs.

    # chmod A+user:username:rwx:allow /var/cluster/geo

    The /var/cluster/geo directory must have the correct access control lists (ACL) applied for compatibility between the Geo Management RBAC rights profile and Sun ZFS Storage Appliance software.


  2. Initiate the switchover.

    The application resource groups that are a part of the protection group are stopped and started during the switchover.

    phys-paris-1# geopg switchover [-f] -m new-primary-cluster pg-name
    -f

    Forces the command to perform the operation without asking you for confirmation.

    -m new-primary-cluster

    Specifies the name of the cluster that is to be the new primary cluster for the protection group.

    pg-name

    Specifies the name of the protection group.

Example 2-1 Forcing a Switchover From the Primary Cluster to the Secondary Cluster

The following example performs a switchover to the secondary cluster.

phys-paris-1# geopg switchover -f -m cluster-newyork zfssa-pg