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Oracle® ZFS Storage Appliance Administration Guide
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Document Information

Using This Documentation

Chapter 1 Oracle ZFS Storage Appliance Overview

Chapter 2 Status

Chapter 3 Initial Configuration

Chapter 4 Network Configuration

Chapter 5 Storage Configuration

Chapter 6 Storage Area Network Configuration

Chapter 7 User Configuration

Chapter 8 Setting ZFSSA Preferences

Chapter 9 Alert Configuration

Chapter 10 Cluster Configuration

Chapter 11 ZFSSA Services

Chapter 12 Shares, Projects, and Schema

Chapter 13 Replication

Replication Overview

Understanding Replication

Replication Terminology

Project Replication Targets

Project Replication Actions and Packages

Project Replication Storage Pools

Project-level vs. Share-level Replication

Configuring Project Replication

Creating and Editing Targets

Creating and Editing Targets in the BUI

Creating and Editing Targets in the CLI

Creating and Editing Actions

Creating and Editing Actions in the BUI

Creating and Editing Actions in the CLI

Replication Modes: Scheduled or Continuous

Replication - Including Intermediate Snapshots

Replication - Sending and Canceling Updates

Managing Replication Packages

Managing Replication Packages in the BUI

Managing Replication Packages in the CLI

Canceling Replication Updates

Disabling a Package

Cloning a Package or Individual Shares

Exporting Replicated Filesystems

Severing Replication

Reversing the Direction of Replication

Destroying a Replication Package

Replication Tasks

Reversing Replication - Establish Replication

Reverse Replication

Reversing Replication - Simulate Recovery from a Disaster

Reverse Replication

Reversing Replication - Resume Replication from Production System

Reverse Replication

Forcing Replication to use a Static Route

Force Replication to use a Static Route

Cloning a Received Replication Project

Remote Replication Details



Replication Audit Events

Replication and Clustering

Snapshots and Data Consistency

Snapshot Management

Replicating iSCSI Configuration

Replicating Clones

Observing Replication

Replication Failures

Replication Compatibility

Upgrading From 2009.Q3 and Earlier

Chapter 14 Shadow Migration

Chapter 15 CLI Scripting

Chapter 16 Maintenance Workflows

Chapter 17 Integration


Severing Replication

A replication package can be converted into a local, writable project that behaves just like other local projects (i.e. without the management restrictions applied to replication packages) by severing the replication connection. After this operation, replication updates can no longer be received into this package, so subsequent replication updates of the same project from the source will need to send a full update with a new action (into a new package). Subsequent replication updates using the same action will fail because the corresponding package no longer exists on the target.

This option is primarily useful when using replication to migrate data between ZFSSAs or in other scenarios that don't involve replicating the received data back to the source as part of a typical two-system disaster recovery plan.

Replication can be severed from the BUI by navigating to the replication package (see above), clicking the Replication tab, and clicking the image:Image button. The resulting dialog allows the administrator to specify the name of the new local project.

Replication can be severed from the CLI by navigating to the replication package (see above), and using the sever command. This command takes an optional argument specifying the name of the new local project. If no argument is specified, the original name is used.

Because all local shares are exported, all shares in a package are exported when the package is severed, whether or not they were previously exported (see above). If there are mountpoint conflicts between replicated filesystems and other filesystems on the system, the sever operation will fail. These conflicts must be resolved before severing by reconfiguring the mountpoints of the relevant shares.