Step Action
1 System Login:
(If you are not already logged in to your “Student Desktop”) Connect to your
“Student Desktop” via your VDC connection.
From your Student Desktop, open a browser and login to Unisphere on your assigned VNX using the VNX Address (Control Station) and the user
credentials: sysadmin/sysadmin with Scope Global selected.
2 Verify that Clone Private LUNs are configured on your VNX system:
From the navigation bar drop-down list, select your VNX.
Navigate to Data Protection > Clones.
From the Protection menu on the right side of the screen, select Configure Clone Settings.
The Clone Private LUNs CPL_LUN_2042 and CLP_LUN_2043 have already been configured and are located here in the Clone Private LUNs section.
Verify that the Protected Restore checkbox is enabled. If not, check it.
Click Cancel once you have answered the question below.
What is the capacity of the CPLs? ___________________________________
End of Lab Exercise Part 1
Step Action 1 Create Thin LUNs on the Block Pool:
Navigate to Storage > LUNs and Click Create. Create three (3) LUNs in the General tab with the following settings:
Storage Pool Type: Pool
RAID Type: Mixed: Multi-tiered with mixed RAID types Storage Pool for new LUN: Block Pool
Thin: CHECKED User Capacity: 10 GB LUN ID: Thin LUN ID Number of LUNS: 3
Select the Name radio button.
In the Name field enter your Thin LUN Name Starting ID: Thin LUN ID
Select the Advanced tab and configure the following settings:
Set Default Owner: Auto
Tiering Policy: Start High then Auto-Tier (Recommended) Snapshot Auto-delete Policy: unchecked
Click Apply, Yes and OK to complete the operation. Three Thin LUNs are created having ascending IDs starting with the Thin LUN ID.
2 Create a Clone Group:
Navigate to Data Protection > Clones.
From the Protection menu on the right side of the screen, select Create Clone Group.
Name the Clone Group Clone Group 1.
Step Action 3 Add a Clone LUN to your Clone Group:
Select the Source LUN 1 and select Add Clone.
Expand the SP and Thin LUN containers to view a list of available LUNs (remember only LUNS of the same size are eligible).
Select the Clone LUN 1 and apply the following parameters:
Check the Initial Sync Required checkbox (should be checked by default) Check the Use Protected Restore checkbox.
Recovery Policy: Automatic Synchronization Rate: High
Click Apply, Yes, Yes, OK, Cancel.
4 Clone Properties:
Click the Clone LUNs tab.
Select the Clone LUN 1 and click Properties.
Note the Clone ID ________________________
Click Cancel.
5 Identify Source LUN Drive letter:
Navigate to Storage > LUNs.
Locate your Source LUN 1. Note: Enter your Student number into the Filter field to help locate the LUN.
In the Host Information column your Windows host Drive letter for the LUN will be displayed.
Record the Source LUN 1 Drive letter:
____________________________________
6 Create a text file on the source LUN:
From your Student Desktop system, launch the RDP Plus application that is available from the Desktop view or its taskbar.
Connect to your Windows host according to the following information:
Computer(s): Enter your Windows host User: Administrator
Password: emc2Local!
On your Windows host, launch File Explorer and open the Drive letter recorded from the previous step.
Right click the empty space and select New > Folder.
Name the folder Clone_1.
Open the folder Clone_1.
Right click the empty space and select New > Text Document.
Name the file Clone_1.txt
Open Clone_1.txt and add some text into the file, such as your student number, date and time and save it. Close the file and close File Explorer.
Step Action 7 Flush the host buffers:
Open a Command Prompt on your on your Windows host.
Change directories to Admsnap to by typing the following:
cd \Program Files<x86>\EMC\Unisphere Server Utility\
Flush the Source LUN host buffers by typing the following command:
admsnap_win2k12 flush –o <drive letter>:
The command should look similar to the following command.
admsnap_win2k12.exe flush –o H:
8 Fracture Clone:
From your Student Desktop system Unisphere session, navigate to Data Protection > Clones and select the Clone LUNs tab.
o Select the Clone LUN 1 and click Fracture, Yes, OK. The Clone state will change to Consistent.
Select the Clone LUN 1 and click Properties.
What is displayed after “Is Fractured”? _____________________
Click Cancel
9 Add the Clone to your peer host:
Navigate to Hosts > Storage Groups.
Select your Peer host Storage Group and click Connect LUNs.
Expand the SPA and SPB containers and select the Clone LUN 1 and click Add.
Then click OK, Yes, OK.
10 Make the Clone visible to the secondary host, and add a text file:
Launch the RDP Plus application and establish an RDP session to your Peer Windows host according to the following information:
Computer(s): Enter your Peer Windows host User: Administrator
Password: emc2Local!
On your Peer Windows host, click on the Server Manager icon.
From the Server Manager window, select File and Storage Services >
Volumes > Disks.
Click on Tasks and select Rescan Storage.
Disks that were previously allocated to the host may still be present.
Your disk should appear as “Offline”. Right click on the drive and select
“Bring Online”.
A message will appear asking if you are sure you want to bring this disk online on the server. Click Yes.
Verify that the drive is “Online”.
Server Manager will assign a non-conflicting drive letter to the new volume.
Record the Drive letter assigned.
____________________________________________
Launch File Explorer and open the drive for the new volume.
Create a new folder named Fractured, and then a new file named
Fractured.txt. Add some text into the file, such as your student number, date and time.
Step Action
11 Deactivate the Clone from your peer Windows host:
Open the Command Prompt on your peer Windows.
Change to the directory where admsnap is found by typing the following:
cd c:\Program Files <x86>\EMC\Unisphere Server Utility\
Flush the Source LUN host buffers by typing the following command:
admsnap_win2k12 flush –o <drive letter>:
Deactivate the Clone with admsnap:
admsnap_win2k12 clone_deactivate –o <drive letter>:
The drive letter is the drive letter recorded in step 10.
12 Deactivate the source LUN from Windows host:
Access the existing RDP session to your Windows host.
Open the Command Prompt on your Windows host.
Change to the directory where admsnap is found by typing the following:
cd c:\Program Files <x86>\EMC\Unisphere Server Utility\
Flush the Source LUN host buffers by typing the following command:
admsnap_win2k12 flush –o <drive letter>:
The drive letter is the drive letter of the source recorded in step 5.
Deactivate the source LUN with admsnap:
admsnap_win2k12 clone_deactivate –o <drive letter>:
The drive letter is the drive letter of the source LUN recorded in step 5.
13 Reverse Synchronize the Clone:
14 Activate the Volume:
From the existing RDP session to your Windows host, open a Command Prompt.
Change to the directory that contains admsnap
Type the following command:
admsnap_win2k12.exe clone_activate
The command should look something like this when finished:
C:\Program Files <x86>\EMC\Unisphere Server Utility\admsnap_win2k12.exe clone_activate
15 Rescan disks on your Windows host:
From your existing RDP session to your Windows host, access Server Manager.
From the Server Manager window, select File and Storage Services >
Volumes > Disks.
Click on Tasks and select Rescan Storage.
Disks that were previously allocated to the host may still be present.
If your disk appears “Offline”, then right click on the drive and select “Bring Online”.
A message will appear asking if you are sure you want to bring this disk online on the server. Click Yes.
Verify that the drive is “Online”.
16 Verify Data on the source LUN:
On your Windows host, open the File Explorer open the Source LUN 1 drive.
Verify that the data on the Source LUN is identical to that on the Clone.
End of Lab Exercise Part 2