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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

Chapter 14 Shadow Migration

Data Migration

Traditional Data Migration

Migration via Synchronization

Migration via External Interposition

Shadow Migration

Shadow migration behavior

Restrictions on Shadow Source

Shadow File System Semantics During Migration

Identity and ACL Migration

Shadow Migration Management

Creating a Shadow Filesystem

Managing Background Migration

Handling Migration Errors

Monitoring Migration Progress

Canceling Migration

Snapshots of Shadow File Systems

Backing Up Shadow File Systems

Replicating Shadow File Systems

Shadow Migration Analytics

Shadow Migration Requests

Shadow Migration Bytes

Shadow migration operations

Migrating Local File Systems

Shadow Migration Tasks

Testing Potential Shadow Migration

Migrating Data from an Active NFS Server

Chapter 15 CLI Scripting

Chapter 16 Maintenance Workflows

Chapter 17 Integration


Canceling Migration

Migration can be canceled, but should only be done in extreme circumstances when the source is no longer available. Once migration has been canceled, it cannot be resumed. The primary purpose is to allow migration to complete when there are uncorrectable errors on the source. If the complete filesystem has finished migrated except for a few files or directories, and there is no way to correct these errors (i.e. the source is permanently broken), then canceling the migration will allow the local filesystem to resume status as a 'normal' filesystem.

To cancel migration in the BUI, click the close icon next to the progress bar in the left column of the share in question. In the CLI, migrate to the shadow node beneath the filesystem and run the cancel command.