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StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

Published: April 27, 2013

This document refers to the previous StarWind Virtual SAN version. To view the document for the current version, please follow this link

CHANGING AN HA PARTNER NODE

Take the following actions to change an HA partner node:

1. Right-click the required HA device and select Replication manager from the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

2. HA Device Replication manager appears. Click the Remove replica menu button.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Click Yes to confirm the deletion.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

4. Click the Add replica menu button.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Specify the partner node parameters.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

4. Click Next to continue.

5. Specify target and virtual disk parameters.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

6. Click Next to continue.

7. Specify synchronization and heartbeat channels.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

8. Click Next to continue.

9. Specify cache parameters (the cache type is set automatically in accordance with the partner cache type).

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

10. Click Next to continue.

11. Confirm the settings of a new HA partner target and click Next to continue.

12. Click Finish to close the wizard.

MANUAL SYNCHRONIZATION

If synchronization of HA device nodes did not start automatically after you brought the nodes online, you can manually start it.

To start an HA nodes synchronization:

1. Right-click the required HA device and select Synchronization from the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

2. Select the node you want to use as a source of synchronization.

Note: If you do not know which target has to be used as a source of synchronization, check the Server Log or Event tabs of each StarWind Server. Select the StarWind Service that went offline last.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Click Synchronize.

PREPARING AN HA DEVICE FOR PROLONGED DOWNTIME

To prepare an HA device for prolonged downtime (for ESXi):

1. Disconnect targets of an HA device from the client nodes properly.

2. Launch vSphere Client: Start->All Programs->VMware->VMware vSphere Client.

3. Shut down all VMs that store their data on the StarWind HA device by right-clicking a VM and selecting Power -> Shut Down Guest.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

4. Right-click each VM that stores its data on the StarWind HA device and click Remove from Inventory.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

5. Click the Configuration tab.

6. Choose Storage in the Hardware pane. The list of datastores appears.

7. Right-click each datastore that belongs to the HA device and click Unmount on the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

8. Choose Storage Adapters in the Hardware pane. Select a storage adapter from the iSCSI Software Adapter list.

9. In the Details section right-click each device and click Detach on the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

10. Choose Storage Adapters in the Hardware pane.

11. Select a storage adapter from the iSCSI Software Adapter list.

12. Click the Properties link in the Details section.

13. In the iSCSI Initiator window, switch to the Dynamic Discovery tab.

14. Select each StarWind Server and click the Remove button.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

15. Switch to the Static Discovery tab of the iSCSI Initiator window.

16. Select each StarWind target and click Remove.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

To prepare an HA device for prolonged downtime (for Hyper-V servers):

1.
Disconnect targets of an HA device from the client nodes properly.

2. Launch Hyper-V Manager: Start->Administrative Tools->Hyper-V Manager.

3. Right-click each VM that stores its data on the StarWind HA device and click Shut Down.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

4. Launch iSCSI Initiator: Start->Administrative Tools->iSCSI Initiator.

5. Click each StarWind target and click Disconnect.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

6. Switch to the Favorite Targets tab. Select each HA target and click the Remove button.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

7. Launch StarWind Management Console and select the Targets item. Go to the Target List tab and select the iSCSI Sessions tab. Make sure that there are no client connections.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

8. Go to Start->Administrative Tools->Services.

9. In the Services window, right-click the StarWind iSCSI SAN service and click Stop on the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

RESTORING A STARWIND SERVER AFTER DOWNTIME

1. Go to Start->Administrative Tools->Services.

2. In the Services window, right-click the StarWind iSCSI SAN service and click Start on the shortcut menu.

Note: You will need to start the service in two cases:

  • Host operating system of StarWind was online during planned downtime
  • Automatic start for StarWind service was disabled

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Launch StarWind Management Console and сonnect StarWind Servers (please refer to StarWind Help or StarWind Quick Start Guide for more detailed information).

4. Select an HA device on the Target List tab and check its synchronization status below, in Device Properties.

5. If synchronization does not start automatically, perform start it manually (see the Manual Synchronization section). Wait until synchronization is complete.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

6. Connect HA targets to the client node.

Take the following steps on ESXi servers:

1. Launch vSphere Client: Start->All Programs->VMware->VMware vSphere Client.

2. Switch to the Configuration tab and click Storage Adapters in the Hardware pane.

3. Select a storage adapter from the iSCSI Software Adapter list and click the Properties link in the Details section.

4. Switch to the Dynamic Discovery tab of the iSCSI Initiator window.

5. Click Add.

6. Enter an IP address and port of a StarWind Server.

7. Click OK.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

8. Perform the same action for all StarWind Servers.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

9. Switch to the Configuration tab and select Storage Adapters in the Hardware pane.

10. Select a storage adapter from the iSCSI Software Adapter list.

11. Right-click each device and click Attach.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

12. Select Storage in the Hardware pane. Right-click the required datastore and select Mount.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

13. Now you can register a virtual machine. Right-click the appropriate datastore and click Browse Datastore on the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

14. Navigate to the folder named after the virtual machine. Right-click the <virtual machine>.vmx file and click Add to Inventory.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

15. The Add to Inventory wizard opens. Follow the wizard’s steps to add a virtual machine.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

16. Right-click a VM and click Power -> Power On.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

Take the following steps on Hyper-V servers:

1. Launch iSCSI Initiator: Start->Administrative Tools->iSCSI Initiator.

2. Select each target and click Connect.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Launch Server Manager: Start->Administrative Tools->Server Manager.

4. Click the Disk Management item and check whether the disk is online. If needed right-click the disk and click Online on the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

5. Virtual disks stored on the HA device will become available for the previously created VMs. Now you can start VMs in Hyper-V Manager.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

CHANGING SYNCHRONIZATION AND HEARTBEAT CHANNELS

To change synchronization or heartbeat channels or replace a NIC:

1. Launch StarWind Management Console and connect to the first StarWind HA partner.

2. Right-click the required HA device and click Replication manager on the shortcut menu.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. HA Device Replication manager appears. Click the Remove replica button on the toolbar.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

4. Click Yes to confirm the deletion.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

5. Connect to the second HA partner node.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

6. Right-click the target and click Remove Target.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

7. Click Yes to confirm the deletion.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

8. Select the first HA partner node again. Right-click the target and click Manage nodes.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

9. HA Device Replication manager appears. Click Add replica on the toolbar.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

10. Specify an IP address of the second StarWind HA partner node.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

11. Click Next to continue.

12. Specify target and virtual disk parameters.

13. Select Create HA from virtual disk radio button.

14. Specify the previously used image file as a virtual disk on the second server.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

15. Click Next to continue.

16. Specify synchronization and heartbeat channels.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

17. Click Next to continue.

18. Specify cache parameters (the cache type is set automatically in accordance with the partner cache type).

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

19. Click Next to continue.

20. Confirm the settings of a new HA partner target.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

21. Click Next to continue.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

22. Click Finish to close the wizard.

CONFIGURING CHAP FOR AN НА DEVICE

1. Launch StarWind Management Console and connect the first StarWind HA partner node.

2. Right-click the HA device on the CHAP Permissions tab and click Add permission.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Specify the values in the Target CHAP name, Target secret and Confirm secret fields.

4. Select Mutual CHAP authentication checkbox to ensure a higher level of iSCSI security.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

5. Click OK.

6. Read the notification and click OK.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

7. Connect to the second HA partner node.

8. Right-click HA device and click Change Partner Authentication Settings.

Note: If you don’t change partner authentication settings, the HA device will not be able to synchronize after the service restart.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

9. Select the partner target with installed CHAP.

10. Specify CHAP as an authentication type and enter the local name and secret specified for the first server (refer to the item 2-4 of this section).

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

11. Click Finish.
12. Perform the actions described in the item 1-11 for another HA partner node.
13. Specify a local name and secret to connect to the client node.

Take the following steps on ESXi servers:

1. Launch vSphere Client: Start->All Programs->VMware->VMware vSphere Client.

2. Switch to the Configuration tab and select Storage Adapters in the Hardware pane.

3. Select a storage adapter from the iSCSI Software Adapter list and click the Properties link in the Details section.

4. Switch to the Static Discovery tab of the iSCSI Initiator window.

5. Select the target and click Settings.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

6. Click CHAP.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

7. Clear the Inherit from parent checkbox and specify a CHAP name and secret.

Note: If you have specified mutual CHAP earlier, clear the Inherit from parent checkbox and specify a mutual CHAP name and secret.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

Click OK.

Take the following steps on Hyper-V servers:

1. Launch iSCSI Initiator: Start->Administrative Tools->iSCSI Initiator.

2. Select the required target and click Connect.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

3. Click Advanced.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

4. Select the Enable CHAP log on checkbox and specify a name and target secret.

StarWind iSCSI SAN & NAS: HA Maintenance and Configuration Changes

5. Click OK.