Sunday, 23 June 2013

NetApp Controller Scripts Overview for a DTA2800 FC SAN Migration

Introduction

This post covers setting up the aggregates, volumes, qtrees, LUNs, igroups, post migration snapshots… all NetApp FAS controller steps involved when migrating an FC SAN to NetApp. The script outlined here is written with a specific scenario in mind, and here we are starting from a newly installed NetApp FAS2240-4 HA pair after the initial setup script has been run. This is Data ONTAP 7-Mode.

Image: DTA2800 Data Migration Topologies - SAN-Attached Data Migration
Beginnings

Firstly: if you’ve run the NetApp DataCollector from http://synergy.netapp.com/disclaimer.htm, imported the information into Synergy, and completed the design, much of this script can be obtained as an output from Synergy.

Secondly: copying and pasting commands into PuTTY doesn’t always go smoothly, a much better method is to download/copy the script to your controller, and with CIFS this is very easy:

FAS1&2> cifs shares -add tmp /etc/tmp
FAS1&2> cifs access tmp root “Full Control”
FAS1&2> wrfile -a /etc/usermap.cfg DOMAIN\USER1 => root

Then simply map a drive to tmp, copy the script over and run with:

FAS1&2> source /etc/tmp/the_script

Note: From this point, all the commands below will need to be run on both heads (with modification for controller2)

###########################
## SETTING UP AGGREGATES ##
###########################

# Here were have SAS and Flashpool (SATA + SSD) aggregates
# Creating SAS aggregate
aggr create aggr_cont1_450sas -B 64 -t raid_dp -T SAS -r 11 22

# Moving the root vol off SATA (root vol cannot be in a Flashpool!)
vol create newrootvol -s volume aggr_cont1_450sas 162g
ndmpd on
ndmpcopy /vol/vol0 /vol/newrootvol
vol options newrootvol root
reboot

## REBOOTS!!! ##

# Destroy old root vol and rename new
vol offline vol0
vol destroy vol0
vol rename newrootvol vol0

# Configure Flashpool
aggr rename aggr0 aggr_cont1_flashpool
aggr add aggr_cont1_flashpool 5@847
aggr options aggr_cont1_flashpool hybrid_enabled on
aggr add aggr_cont1_flashpool -T SSD 3

##########################
## LICENSING, FCP, TIME ##
##########################

# Repeat for to add all licenses
license add LICENSECODE

# Configure FCP ports as target (FC SAN)
fcadmin config -d 1a
fcadmin config -t target 1a
fcadmin config -d 1a
fcadmin config -t target 1a
fcp set

# Set time, data, and NTP
date 1200
options timed.servers 10.10.10.11,10.10.10.12
options timed.enable on

####################################
## CREATING VOLUMES, QTREES, LUNS ##
####################################

# REPEAT for as many LUNs as is required
# minra on for databases only
vol create          v_sql_data -s none aggr_cont1_450sas 420g
snap reserve        v_sql_data 0
vol options         v_sql_data fractional_reserve 0
snap sched          v_sql_data 0 0 0
vol options         v_sql_data convert_ucode on
vol options         v_sql_data create_ucode on
vol options         v_sql_data minra on
vol lang            v_sql_data en_US.UTF-8
qtree security /vol/v_sql_data ntfs
vol options         v_sql_data  try_first volume_grow
vol autosize        v_sql_data v_sql_data  -m 500g -i 25g on
sis on         /vol/v_sql_data
qtree create   /vol/v_sql_data /q_sql_data
lun create -t windows_2008 -s 279g /vol/v_sql_data/q_ sql_data/ sql_data.lun

#######################################
## CREATING IGROUPS AND LUN MAPPINGS ##
#######################################

# DTA igroup
igroup create -t linux -f i_temp_dta 21:00:00:c0:dd:XX:XX:02 21:00:00:c0:dd:XX:XX:04
# Note: Similar required on the legacy storage to see the DTA

# LUN mappings (LUN, igroup, LUN ID)
lun map /vol/v_sql_data/q_sql_data/sql_data.lun i_temp_dta 11
# …
# REPEAT for as many LUN mappings as required

# Host Server igroups
igroup create -t windows -f sql 50:01:43:80:90:ab:cd:01 50:01:43:80: 90:ab:cd:02
igroup set sql alua yes
# …
# REPEAT for as many host igroups are required
# Note: Hosts are mapped after the migration is complete

####################
## POST MIGRATION ##
####################

# Post Migration Snapshots
snap create -V v_sql_data postMigration
# …
# REPEAT for as many volumes as required

# Unmapping the DTA
lun unmap /vol/v_sql_data/q_sql_data/sql_data.lun i_temp_dta
# …
# REPEAT for as many LUN unmappings as required

# LUN Host mappings (LUN, igroup, LUN ID)
lun map /vol/v_sql_data/q_sql_data/sql_data.lun sql 11
# …
# REPEAT for as many LUN mappings as required

# Delete Post Migration Snapshots
snap delete -V v_sql_data postMigration
# …
# REPEAT for as many volumes as required

# Enabling autosupport (SMTP)
options autosupport.mailhost IP
options autosupport.from cont1@domain.com
options autosupport.to email1@domain.com,email2@domain.com
options autosupport.support.transport smtp
options autosupport.doit "Post DTA Migration"

# http.enable
options httpd.enable on
options httpd.admin.enable on

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