Use the following procedure to configure server switchover settings:
When using local disks as system disks, and iSCSI storage as data disks, refer to the advisory notes described in "Table 3.1 Supported Storage Device Configurations" of "3.3.1 Storage Configuration".
In the RC console server resource tree, right-click a server (or a physical OS or VM host on the server) and select [Modify]-[Spare Server Settings] from the pop up menu.
The [Spare Server Settings] dialog is displayed.
In the [Spare Server Settings] dialog, set the following parameters:
From the spare server list, select the checkbox in the "Select" column of the server that is to be used as the spare server.
One or more spare servers can be specified, including spare servers from different chassis.
If more than one is specified, an unused spare server will be selected from the list of available candidates when a server switchover occurs.
Information
With the storage affinity switchover method, a server for which WWN settings have been performed can only be used as a spare server for a primary server with WWN settings. When using the storage affinity switchover method, it is necessary to configure the target CA so that it matches the WWPN value in the access path settings of the actual server. Hyphens ("-") must be specified for target CAs of spare servers using the storage affinity switchover method.
Applying the patch T005054WP-05 [Windows] and T005069LP-05 [Linux] for the manager, enables a server on which an agent is registered to be used as a spare server. When using a server on which an agent is registered as a spare server, the server must meet one of the following conditions: ETERNUS SF Storage Cruiser cannot perform event monitoring of spare servers. For details on event monitoring, refer to the "ETERNUS SF Storage Cruiser Event Guide".
When the WWPN of the target CA is the same value as that of the primary server
When the AffinityGroup value is different from the value of the primary server
When agents are not registered on ETERNUS SF Storage Cruiser
In server configurations using I/O virtualization, servers on which server OS's are operating can be used for spare servers.
Register the agent
I/O virtualization
Server switchover settings
To change a server with the above settings, which does not use I/O virtualization, to a spare server, delete the server and then re-register it. Note that if the server is registered while it is running, an agent will be registered automatically. For this reason it should be registered while it is stopped. For details on server registration, refer to "6.1.3 Registering Managed Servers".
To delete a spare server that has been added, refer to "9.8 Cancelling Server Switchover Settings".
This checkbox is available only if the WWN of the servers selected from the server resource tree are being virtualized using HBA address rename or VIOM.
The checkbox is unavailable if the WWN is not being virtualized or boot configuration is set for a VIOM server profile.
Select this option for servers that boot from a local disk while using SAN storage to store data. If selected, spare server(s) will also be able to boot locally and access the same SAN storage data space after a switchover.
Do not select this option for servers that boot from a SAN disk.
Select this option to enable automatic adjustment of VLAN ID or port group settings during a server switchover. If selected, the internal LAN switch ports connected to the spare server will be set with the same VLAN settings as those of the ports connected to the primary server.
This option is selected by default.
This feature is available only for PRIMERGY BX blade servers.
When VIOM is used, it is available only when a LAN switch is in switch mode.
Note
Do not select this option if VLAN settings are to be manually adjusted from the LAN switch's management interface (either graphical or command-line interface).
Select this option to enable Auto-Recovery.
Server failures are detected when the server's status changes to "error" or "fatal" and its operating system stops functioning.
Do not select this option if primary servers are to be manually switched over.
This option is selected by default.
Check this checkbox if the spare server is to be turned off forcibly when the spare server in started before switchover takes place.
When shutting down the spare server, clear this checkbox.
This option is not selected by default.
When a spare server is a VM host, check this checkbox if switching to a spare server in which the VM host contains a VM guest.
When not switching to a VM host which contains a VM guest, clear this checkbox.
This option is not selected by default.
Click <OK>.
The server switchover settings are configured.
Point
The conditions specified in "9.3 Server Switchover Conditions" must be satisfied for a server switchover to execute correctly.
Once settings are complete, perform switchover and failback on each spare server that has been set up to verify that these operations can be executed correctly.
For details on switchover and failback methods, refer to "Chapter 10 Server Switchover" in the "ServerView Resource Coordinator VE Operation Guide".
Note
For servers other than those using I/O virtualization and those with WWN settings registered, the following checks will not be enabled.
For servers with WWN settings registered, applying the patch T005054WP-05 [Windows] and T005069LP-05 [Linux] for the manager, enables the following checks:
"Power off forced when the server is switched over" checkbox
"Switchover to server where VM guest exists" checkbox
[VM host]
The automatic startup of VM guests after the switchover of their VM host depends on their virtual machines' startup configuration within the server virtualization software used.
Refer to the manual of each server virtualization product for details.
According to the server virtualization product used, a newly created VM guest may require some re-configuration before running a server switchover.
Refer to "A.2 Configuration Requirements" for details on such settings.
