Chapter 4

Data Protection Using SnapMirror

About this chapter

This chapter discusses how to use the optional SnapMirror feature of Data ONTAP to copy data from specified volumes or qtrees to other volumes or qtrees and how to access and use the online copied data.

Note
You must have a SnapMirror license to use SnapMirror.

Topics in this chapter

This chapter discusses the following topics:

SnapMirror overview
SnapMirror commands and configuration files
Considerations when planning and running SnapMirror
Setting up a basic SnapMirror operation
Specifying destination filers on the source filer
Defining source and destination through snapmirror.conf
Enabling SnapMirror
Initializing a SnapMirror destination
Updating a destination manually
Listing SnapMirror snapshots
Checking SnapMirror data transfer status
Checking SnapMirror data transfer logs
Aborting a SnapMirror transfer
Stabilizing (quiescing) destinations before taking a snapshot
Turning off or changing scheduled updates for volumes or qtrees
Turning off SnapMirror updates for the filer
Converting a destination to a writable volume or qtree
Releasing partners from a SnapMirror relationship
Resynchronizing SnapMirror
Copying from one destination to another in a series (cascading)
Using SnapMirror to copy a volume to local tape
How SnapMirror works with the dump command
Fixing changes to SnapMirror elements
Creating SnapLock destination volumes
Synchronous SnapMirror