NetApp Snapmirror Tutorial

Step by Step Snapmirror configuration in NetApp Filers.

Snapmirror is an licensed utility in Netapp to do data transfer across filers. Snapmirror works at Volume level or Qtree level. Snapmirror is mainly used for disaster recovery and replication.

Snapmirrror needs a source and destination filer.






A) Enable Snapmirror on source and destination filer

FASSENTHIL> options snapmirror.enable 
snapmirror.enable            on 
FAS5051> options snapmirror.access 
snapmirror.access            on

B) Access the NetApp oncommand System manager and login to the source ans destination filers.

 Click the Snapmirror in source Filer and click create.

NetApp snapmirror creation wizard.

Select the filer as Source or Destination.

Select the Volume or Qtree. Source and Destination we need same size of volume.
And also restrict the volume in the destination filer.

Destination Filer information.

Select the volume or qtree.

Setting up a snapmirror schedule. This will update in the /etc/snapmirror.conf file.
This is also in the destination Filer.

 Setting up a schedule and initialize the base line sync.

 Network bandwidth Allocation for this snapmirror.

NetApp snapmirror creation summary

Now, the base line mirror started. The status is in the Transfer mode.

Snapmirror configured successfully.

FAS5051 ---- Source

FASSENTHIL --- Destination

Checking in the CLI.

FAS5051> snapmirror status

FASSENTHIL> snapmirror status

This is CLI tutorial.

Update the host information in the DNS server or edit /etc/hosts file.

Setting up options.

Destination filer restrict the volume.

FAS5051> vol restrict vol123
FAS5051> vol status vol123

In the destination filer, edit the snapmirror.conf file.

FAS5051> wrfile -a /etc/snapmirror.conf

FASSENTHIL:vol123  FAS5051:vol123  -0-55/5 * * *

FAS5051(Destination)> snapmirror on


FASSENTHIL(Source)> snapmirror on


In the destination filer,

FAS5051> snapmirror initialize -S FASSENTHIL:vol123  FAS5051:vol123

FAS5051> snapmirror status -l

snapmirror status -l

All the best...............................................

Senthilkumar Muthusamy