For contents see:
Part 4) Method
1: Using 7MTT GUI to Migrate Our 7 to 7 SnapMirror Relationship
Log into the 7MTT GUI at: https://10.10.10.11:8443/transition/
Home > Click on ‘New
Transition Project’
Add both
7-Mode systems (NAFAS1.lab.priv &
NAFAS2.lab.priv)
Add both
Clustered ONTAP clusters (NACLU1.lab.priv
& NACLU2.lab.priv)
Click Next
New Transition Project Name:
NAFAS1toCDOT
Click Continue
With NAFAS1
selected...
Tick the ‘Transition
with SnapMirror Relationship’ boxes for volumes vol1, vol2 and vol3
Click ‘Create
Project and Continue’.
Image 1: 7MTT GUI -
Choose Origin Volumes to Transition (Transition with SnapMirror Relationship)
Subproject 1/2 NAFAS2 to NASVM2
(“Destination”)
Configuring Subproject: 1/2
IP Configuration > Precheck > Vserver Mapping > Volume Mapping > Interface
Mapping > SnapMirror Schedule > Final Precheck > Subproject Summary
Project Name =
NAFAS1toCDOT
Subproject Name =
NAFAS1toCDOT_secondary
Data Copy IP =
10.10.10.201
Click Next
Image 2: 7MTT GUI -
NAFAS1toCDOT_secondary Subproject Configuration
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping >
Volume Mapping > Interface Mapping > SnapMirror Schedule > Final
Precheck > Subproject Summary
Click the Run
Prechecks button
Image 3: 7MTT
Precheck
Review the Precheck
summary...
If there are no
Errors and the Warnings are acknowledged and understood...
Click Next
Image 4: A Precheck
Summary
Note: With the
Prechecks you can ‘Save As CSV’
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping >
Volume Mapping > Interface Mapping > SnapMirror Schedule > Final
Precheck > Subproject Summary
Select a Clustered Data ONTAP system:
Click NACLU2
(our destination cluster)
Select a Vserver:
Tick NASVM2
(our destination SVM)
Click Next
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping > Volume
Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck
> Subproject Summary
Map Original Volumes to Aggregates on Target Cluster:
Here we leave ‘Target Aggregate’ and ‘Target Volume’ as is!
Click Next
Image 5: Map
Original Volumes to Aggregates on Target Cluster (can change volume name)
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck >
Subproject Summary
Map 7-Mode IP Addresses to Cluster LIFs:
{Here I skip this
optional step - my failover method will be to update the CNAME}
Click Next
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck
> Subproject Summary
Select SnapMirror Schedule or Transition:
Tick hourly
Click Next
Image 6: 7MTT
Transition Schedule
Note: Use “job
schedule cron create” on the Cluster to configure a custom schedule!
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping >
SnapMirror Schedule > Final Precheck
> Subproject Summary
Click the Run
Prechecks button
One error, must add the intercluster LIF IP of NACLU2N1 to
NANAS1!
NAFAS1>
options snapmirror.access host=NAFAS2,10.10.10.121,10.10.10.221
Click Run
Prechecks Again
Review the Precheck
summary...
If there are no Errors
and the Warnings are acknowledged and understood...
Click Next
Image 7: Even with
the Origin Controller being NAFAS2, NACLU2N1 still needs to be added to NAFAS1!
Image 8: Final
Precheck
Configuring Subproject: 1/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping >
SnapMirror Schedule > Final Precheck
> Subproject Summary
Informational: You
have configured one of the two subprojects in this project. You can configure
the second subproject by clicking “Save & Configure Next Subproject”
button, or later from the Dashboard.
Click OK
Click Save and
Configure Next Subproject
Subproject 2/2 NAFAS1 to NASVM1
(“Source”)
Configuring Subproject: 2/2
IP Configuration > Precheck > Vserver Mapping > Volume Mapping > Interface
Mapping > SnapMirror Schedule > Final Precheck > Subproject Summary
Project Name =
NAFAS1toCDOT
Subproject Name =
NAFAS1toCDOT_primary
Data Copy IP =
10.10.10.101
Click Next
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping > Volume
Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck
> Subproject Summary
Click the Run
Prechecks button
Review the Precheck
summary...
If there are no
Errors and the Warnings are acknowledged and understood...
Click Next
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping >
Volume Mapping > Interface Mapping > SnapMirror Schedule > Final
Precheck > Subproject Summary
Select a Clustered Data ONTAP system:
Click NACLU1
(our source cluster)
Select a Vserver:
Tick NASVM1
(our source SVM)
Click Next
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping > Volume
Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck
> Subproject Summary
Map Original Volumes to Aggregates on Target Cluster:
Here we leave ‘Target Aggregate’ and ‘Target Volume’ as is!
Click Next
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck >
Subproject Summary
Map 7-Mode IP Addresses to Cluster LIFs:
{Here I skip this
optional step - my failover method will be to update the CNAME}
Click Next
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping > SnapMirror Schedule > Final Precheck
> Subproject Summary
Select SnapMirror Schedule or Transition:
Tick hourly
Click Next
Note: Use “job
schedule cron create” on the Cluster to configure a custom schedule!
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping >
SnapMirror Schedule > Final Precheck
> Subproject Summary
Click the Run
Prechecks button
Review the Precheck
summary...
If there are no
Errors and the Warnings are acknowledged and understood...
Click Next
Configuring Subproject: 2/2
IP Configuration >
Precheck > Vserver Mapping > Volume Mapping > Interface Mapping >
SnapMirror Schedule > Final Precheck
> Subproject Summary
Click Save and Go
to Dashboard
Image 9: Subproject
2/2 Summary
Note: If you reboot
the server with 7MTT installed on, you will need to re-enter credentials (best
done from Home > Storage Systems)
7MTT Dashboard: Subproject NAFAS1toCDOT_secondary
For NAFAS1toCDOT_secondary click Start
Image 10:
NAFAS1toCDOT_secondary in the 7MTT Dashboard
If you’ve acknowledged and understood all the Precheck
Warnings click Yes to the:
“Warning! It is
recommended that you address all warnings in precheck results before starting
the transition. Do you want to continue?”
Informational: Transition started successfully.
Click View Result
or Close
Image 11: NAFAS1toCDOT_secondary
- Baseline Completed & Transfers In Progress
For interest, here
are the SnapMirror shows/statuses and Snapshots on vol1 across NAFAS1, NAFAS2
and NACLU2:
NAFAS1>
snapmirror status
Source Destination
NAFAS1:vol1 NAFAS2:vol1
NAFAS1:vol2 NAFAS2:vol2
NAFAS1:vol3 NAFAS2:vol3
NAFAS1>
snap list vol1
date name
------------ --------
May
03 23:15 NAFAS2(4221225673)_vol1.31 (snapmirror)
May
03 23:00 hourly.0
May
03 22:00 hourly.1
May
03 21:01 hourly.2
May
03 20:00 hourly.3
May
03 16:12 hourly.4
NAFAS2>
snapmirror status
Source Destination State
NAFAS1:vol1 NAFAS2:vol1
Snapmirrored
NAFAS1:vol2 NAFAS2:vol2
Snapmirrored
NAFAS1:vol3 NAFAS2:vol3
Snapmirrored
NAFAS2:vol1 NASVM2:vol1
Source
NAFAS2:vol2 NASVM2:vol2
Source
NAFAS2:vol3 NASVM2:vol3
Source
NAFAS2>
snap list vol1
date name
------------ --------
May
03 23:15 NAFAS2(4221225673)_vol1.31 (snapmirror)
May
03 23:00 hourly.0
May
03 23:00 NAFAS2(4221225673)_vol1.30
May
03 22:00 hourly.1
May
03 21:01 hourly.2
May
03 20:00 hourly.3
May
03 16:12 hourly.4
NACLU2::>
snapmirror show
Source Destination Mirror
Relationship
Path Type
Path State Status
-----------
---- ------------ ------- -------------
10.10.10.201:vol1
TDP
NASVM2:vol1 Snapmirrored
Idle
10.10.10.201:vol2
TDP
NASVM2:vol2 Snapmirrored
Idle
10.10.10.201:vol3
TDP
NASVM2:vol3 Snapmirrored
Idle
NACLU2::>
snapshot show -volume vol1
Vserver Volume
Snapshot
--------
------- --------------------------
NASVM2 vol1
hourly.4
hourly.3
hourly.2
hourly.1
NAFAS2(4221225673)_vol1.30
hourly.0
NAFAS2(4221225673)_vol1.31
7MTT Dashboard: Subproject NAFAS1toCDOT_primary
For NAFAS1toCDOT_primary click Start
Image 12:
NAFAS1toCDOT_primary in the 7MTT Dashboard
Precheck Warnings ... click Yes
Informational: Transition started successfully.
Click View Result
or Close
Image 13: NAFAS1toCDOT_primary
- Baseline Completed & Transfers In Progress
Note: Notice the
informational ‘You cannot cutover a primary subproject before the associated
secondary subproject is completed.’
7MTT Dashboard: Cutover
NAFAS1toCDOT_secondary
For NAFAS1toCDOT_secondary click Cutover (Refresh the
view first)
Image 14:
NAFAS1toCDOT_secondary, time to click Cutover!
Precheck Warnings ... click Yes
Transition Cutover ...
Leave Ticked -
The origin volumes will be made offline
Click Continue
Image 15: 7MTT
Transition Cutover Warning
Informational: Transition completed successfully.
Click View Result
or Close
Image 16:
Transition complete successfully
7MTT Dashboard: Cutover
NAFAS1toCDOT_primary
On MSADM1, disconnect CIFS shares U, V and W:
net use U: /delete
net use V: /delete
net use W: /delete
On NAFAS1, run these commands:
priv
set advanced
cifs
terminate -v vol1
cifs
terminate -v vol2
cifs
terminate -v vol3
For NAFAS1toCDOT_primary click Cutover (Refresh the
view first)
Image 17:
NAFAS1toCDOT_primary, time to click Cutover!
Precheck Warnings ... click Yes
Transition Cutover ...
Leave Ticked -
The origin volumes will be made offline
Select Yes to
‘Is SnapMirror applied on this system (NACLU1)’
Click Continue
Image 18: 7MTT
Transition Cutover Warning
Informational: Transition completed successfully.
Click View Result
or Close
Image 19:
Transition complete successfully
MSDMC01: Update the CNAME for FS1 to point
to NASVM1
Image 20: Updating
CNAME to point to the SVM
MSADM01: Remount the shares and test data
access
ipconfig /flushdns
net use U: \\FS1\share1 /persistent:yes
net use V: \\FS1\share2 /persistent:yes
net use W: \\FS1\share3 /persistent:yes
NACLU2: Verify SnapMirrors as created by 7MTT:
NACLU2::>
snapmirror show
Source Destination Mirror
Path Type
Path State
-----------
---- ------------ -------
NASVM1:vol1
DP NASVM2:vol1 Snapmirrored
NASVM1:vol2
DP NASVM2:vol2 Snapmirrored
NASVM1:vol3
DP NASVM2:vol3 Snapmirrored
NACLU2::>
snapmirror show -fields schedule
schedule
show -name sched_vol1_vol1_0
schedule
show -name sched_vol2_vol2_0
schedule
show -name sched_vol2_vol2_0
NACLU2::>
volume show -type DP
NACLU1&2: Verify Volumes and CIFS Shares:
volume
show
vserver
cifs share show
vol
show -fields junction-path
vserver
cifs share show -fields path
NAFAS2: Tidy up SnapMirrors on the 7-Mode
Destination
Note: We clear
/etc/snapmirror.conf since we only had our 3 volumes being replicated
NAFAS2>
wrfile
/etc/snapmirror.conf
{PRESS
CTRL+C to EXIT}
vol
online vol1
vol
online vol2
vol
online vol3
snapmirror
break NAFAS2:vol1
snapmirror
break NAFAS2:vol2
snapmirror
break NAFAS2:vol3
snap
delete vol1 NAFAS2(4221225673)_vol1.33
snap
delete vol2 NAFAS2(4221225673)_vol2.33
snap
delete vol3 NAFAS2(4221225673)_vol3.33
vol
offline vol1
vol
offline vol2
vol
offline vol3
NAFAS1: Tidy up SnapMirrors on the 7-Mode
Source
NAFAS1>
vol
online vol1
vol
online vol2
vol
online vol3
snapmirror
release vol1 NAFAS2:vol1
snapmirror
release vol2 NAFAS2:vol2
snapmirror
release vol3 NAFAS2:vol3
vol
offline vol1
vol
offline vol2
vol
offline vol3
Comments
Post a Comment