Whenever you make a change such as adding a zone or a network, Grid Manager notifies you that a service restart is required. You can enable the appliance to display the Restart Banner whenever it requires a service restart and prompt the administrator to input the user name before restarting the services. For information about how to enable the restart banner, see Changing Grid Properties. To view all pending activities that are waiting for service restart s , you can click View Changes in the restart banner at the top of Grid Manager.
The pending activities include additions, modifications, and deletions performed by all administrators. You can also view pending changes through the Restart <Grid/ Member> Services dialog box.
There are several ways to restart services on the affected Grid members. You can restart services at the Grid or member level, or you can restart services by groups, as described in:
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You can configure services restart settings such as restart timeout or delay as described in Configuring Restart Settings.
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Note: When you make configuration changes for DNS or DHCP and the service is enabled on at least one Grid member, Grid Manager suggests a restart even if the service is disabled on the member affected by the change.
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The system writes every scheduled change action to the audit log as follows:
USER logon_id action service restart schedule 'schedule' on Grid (or member) Grid name or member node id
For example:
USER jdoe insert service restart schedule '02/20/2007 01:30:00' on Grid Infoblox USER jdoe deleted service restart schedule '02/22/2007 01:30:00' on node id 3
For more information on the audit log, see Using the Audit Log.
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If you schedule the restart at a specific date and time, the system schedules the restart at the specified time on each Grid member.
To restart services at the Grid level:
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- From the Data Management tab, select the DHCP, DNS, or Grid tab, or select the Administration tab, and then click Restart Services from the Toolbar.
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- You can specify whether the member restarts services when necessary or you can force it to restart services. Select one of the following in the Restart Grid Services section:
- If needed: Select this to restart all active DNS and DHCP services if there are any changes requiring a service restart.
- Force service restart: Select this to force a service restart even if it is not needed. A forced restart may be delayed if there are pending restarts for the same service.
- Select one of the following in the Restart Method section:
- Restart All Restart Groups: Restarts the services in the affected Grid members in the order defined for restart groups. For information, see Restarting Grid Services.
- Simultaneously for all members: Restarts the services on all of the members in a Grid at the same time.
- Sequentially for all members: Restarts the services on each Grid member one after one.
Affected Members and Services: Click the Poll Members icon to display the affected members and services when the system restarts. Grid Manager displays the member names and one of the following for each service: - YES: The service is active and the system will restart the service upon execution of this task.
- NO: The service will not restart unless the Force service restart option is selected.
- DISABLED: The service is currently disabled.
View Pending Changes: You can view the list of pending changes that will take effect when you restart the services. You can use filters to look for specific objects and view the following information for each pending activity: - Timestamp: The timestamp of the operation.
- Admin: The admin user who performed the operation.
- Action: The type of operation that was performed by an administrator. This can be Created, Modified, Deleted, Called, or Message.
- Object Type: Displays the object type. For example, DNS View, Named ACL, IPv4 MAC Filter, Blacklist Rule, and so on.
- Object Name: The name of the object.
- Message: Description of the activity.
- To schedule a service restart task, click the Schedule icon at the top of the wizard. In the Schedule Change panel, complete the following:
- Now: Restarts services upon clicking Restart.
- Later: Enter the following information to schedule all Grid members to restart services at a certain date and time:
- Date: Enter a date in YYYY-MM-DD (year-month-day) format. The appliance displays today's date. You can also click the calendar icon to select a date from the calendar widget.
- Time: Enter a time in hh:mm:ss AM/PM (hours:minutes:seconds AM or PM) format. When you enter the time in a 24-hour format such as 23:00, Grid Manager displays 11:00:00 PM. You can also select a time from the drop-down list by clicking the time icon.
- Time Zone: Select a time zone for the scheduled date and time from the drop-down list. This field displays the time zone of the browser that the admin uses to log in to Grid Manager.
- Click Restart to restart services immediately or click Schedule Restart to create a scheduled restart task.
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Note: When you restart services at the Grid level, the services are restarted only on those members for which you have permissions.
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- From the Data Management tab, select the DHCP tab -> Members tab -> member check box.
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From the Grid tab, select the Grid Manager tab, and then select a member check box. - Click Restart Services from the Toolbar.
- You can specify whether the member should restart services when necessary or you can force it to restart services. Select one of the following in the Restart Member Services section:
- If needed: Select this to restart all active DNS and DHCP services, if there are any changes requiring a service restart.
- Force service restart: Select this to force a service restart even if it is not needed. A forced restart may be delayed if there are pending restarts for the same service.
Affected Services: This table displays the affected services when the system restarts. It can display one of the following for each service: - YES: The service is active and the system will restart the service upon execution of this task.
- NO: The service will not restart unless the Force service restart option is selected.
- DISABLED: The service is currently disabled.
View Pending Changes: You can view the list of pending changes that will take effect when you restart the services. You can use filters to look for specific objects and view the following information for each pending activity: - Timestamp: The timestamp of the operation.
- Admin: The admin user who performed the operation.
- Action: The type of operation that was performed by an administrator. This can be Created, Modified, Deleted, Called, or Message.
- Object Type: Displays the object type. For example, DNS View, Named ACL, IPv4 MAC Filter, Blacklist Rule, and so on.
- Object Name: The name of the object.
- Message: Description of the activity.
- To schedule a service restart task, click the Schedule icon at the top of the editor. In the Schedule Change panel, complete the following:
- Now: Restarts services immediately.
- Later: Enter the following information to schedule the member to restart services at a certain date and time:
- Date: Enter a date in YYYY-MM-DD (year-month-day) format. The appliance displays today's date. You can also click the calendar icon to select a date from the calendar widget.
- Time: Enter a time in hh:mm:ss AM/PM (hours:minutes:seconds AM or PM) format. You can also select a time from the drop-down list by clicking the time icon.
- Time Zone: Select a time zone for the scheduled date and time from the drop-down list. This field displays the time zone of the browser that the admin uses to log in to Grid Manager.
- Click Restart to restart services immediately or click Schedule Restart to create a scheduled restart task.
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You can arrange group restart order for each service independently. Members in a group can restart simultaneously or sequentially, depending on your choice. When members are started sequentially, they are started in alphabetical order. When you have several restart groups, they all restart sequentially in the order that you define. For information, see Ordering Restart Groups.
For each service, there exists the Default restart group in Grid Manager: Default DHCP group and Default DNS group. All Grid members belong to the Default group until you add them to another custom restart group. By default, the members of the Default group are restarted sequentially. The Default group is always restarted in the last place in the restart sequence for a service.
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Note: You can manage restart groups only if you are a superuser. If you are a limited-access user, you can see the restart groups and their restart status only if these groups include members for which you have permissions. When you restart services by groups, the services are restarted only on those members for which you have permissions.
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For more information on how to create and manage restart groups, see the following sections. For how to restart services by groups, see Restarting Groups.
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- Click Grid –> Grid Manager –> DHCP or DNS.
- On the Services tab, click Toggle Restart Groups View.
- Click the Add icon.
- Specify the general information for the group:
- Name
- Comment
- Restart order for group members: simultaneously or sequentially
Note: For how to delay service restarts, see Configuring Restart Settings. - Click Next.
- Add members by clicking the Add icon for each new member.
- Click Next.
- If you want to create a restart schedule for this group, select Enable Restart Schedule and specify the required parameters.
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- Note: The restart schedule can run either once or on a recurring basis. It does not create scheduled tasks. If a schedule is configured for a restart group, you can still perform one-time restarts independently for Grid members or restart groups and create scheduled tasks for these restarts.
- Select the restart type for the services on the affected members:
- If needed: Select this to restart services only if there are changes requiring a service restart.
- Force service restart: Select this to force a service restart even if it is not needed. A forced restart may be delayed if there are pending restarts for the same service.
- Click Next.
- If necessary, specify the extensible attributes.
- Click Save & Close.
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Note: Normally, you cannot restart or schedule a restart of services when a scheduled full Grid upgrade is in progress. However, you can do so for the Default DNS or DHCP restart group. In this case, only the Grid Master is restarted. The other members of the group remain in the Timed Out status and are restarted after Grid Manager gets a response from them. For more information about the full Grid upgrades, see Guidelines for Scheduling Full Upgrades0.
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- Click Grid–>Grid Manager–>DHCP or DNS tab.
- In the toolbar, click Edit–>Grid DHCP Properties or Grid DNS Properties.
- Click Toggle Advanced Mode–>Restart.
- If necessary, modify the service restart settings:
- Delay between Restart Groups. This is the delay between the restarts of separate restart groups. The default is 10 seconds.
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Note: If the delay time from the previous group restart has not elapsed yet, the new restart requests are displayed with the Pending restart status. To speed up the new restarts, you change the delay between restart groups to a smaller value at any time.
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- Member Restart Timeout. This is the amount of time that the appliance waits for a response from a member. The default is 1 minute.
5. Optionally, select the check box Apply restart requests to offline members when they connect.
6. Click Save & Close.
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Limited-access users can only cancel a scheduled task that they created. Superusers can cancel a scheduled task that any user created. You can cancel scheduled restart tasks from Task Manager. For information, see Viewing Tasks on page 81.
When you delete a scheduled restart task, the system cancels the scheduled task to restart services on the member or Grid and does not restart services. To cancel a scheduled restart, see Canceling Scheduled Tasks.
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You can also turn off the automatic service restart feature for other scheduled tasks. For example, if you set a recurring automatic restart for a restart group, you may not need the automatic service restart which should normally happen after a scheduled change of an object. You can do so from the Infoblox CLI using the set scheduled command. For information, see the section set scheduled in the Infoblox CLI Guide.
Alternatively, administrator users with the approver role can cancel the automatic service restart for individual tasks when approving them. If you are an approver, you can do so by deselecting the Enable automatic service restart option for a task in the Task Manager. For information, see Viewing Tasks.
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