HPE 3PAR StoreServ 8000 Service And Upgrade Manual page 13

IMPORTANT:
• To avoid possible data loss, shut down (halt) and remove only one controller node at a time from
the storage system.
• To prevent overheating, do not leave the controller node bay empty for more than 30 minutes.
• Verify that host multipathing is functional.
Prerequisites
Order a replacement component by contacting your Hewlett Packard Enterprise authorized service
provider.
Procedure
Preparation
1. Unpack the component and place on an ESD safe mat.
2. Connect to the service processor in the Service Console interface:
Browse to the IP address: https://<sp_ip_address>:8443
3. Log in to the HPE 3PAR SP and enter the admin account credentials.
4. Initiate a maintenance window to stop the flow of alerts to Hewlett Packard Enterprise.
a. From the Service Console interface, select Systems.
b. Select Actions > Set maintenance mode and then follow the instructions.
TIP: When you put the storage system in maintenance mode or edit the maintenance mode,
specify the duration in hours and a reason.
To edit the maintenance window, select Actions > Set maintenance mode and then click
the Edit icon next to the maintenance window.
5. Initiate Check Health on the storage system.
a. From the Service Console interface, select Systems.
b. Select Actions > Check health.
A check of the storage system runs to ensure that there are no additional issues.
CAUTION: If health issues are identified during the Check Health, resolve these issues before
continuing. Refer to the details in the Check Health results and review the documentation.
6. Locate information about the failed controller node:
a. From the Service Console interface, select Storage Systems > Systems.
b. Review the following information:
• The alert banner at the top of the page states that the controller node has failed and is offline.
Service 13