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Configuring Hosts and Storage Arrays
62
Continuous Access Storage Appliance Installation and Maintenance Guide
Replacing host HBAs
The following procedure applies to all hosts connected to the appliance.
To replace a host HBA:
1. From the console window, click sanos admin > launch.
The
sanosadmin
window opens.
2. Log in to
sanosadmin
.
3. To identify the host that requires an HBA replacement, enter:
get host
4. To identify the LUNs mapped to the host, enter:
get map
5. Record the LUNs and the node target ports used to map the LUNs to the host.
6. To unmap the LUNs mapped to the host, enter:
del map -lun LUN -host HOSTNAME -hostlun HOSTLUN# -hba HBAID
-node NODEID
7. Repeat step 6 for each LUN mapped to the host.
8. Disconnect the host from the appliance.
9. Replace the host HBA.
10. Connect the host to the appliance.
11. From the host, log in to the appliance’s user interface.
12. Click hosts > view hosts.
The view hosts window opens.
13. Record the worldwide name of the replaced HBA. (The HBA appears as a host.)
14. Open
sanosadmin
and enter the following command:
mod host -hostname HOSTNAME -wwn NEWNODEWWN
15. Using the information gathered in step 5, remap each LUN to the host.
16. Perform the procedures that enable the host to detect the LUNs. Refer to your host
operating system documentation for more information.
17. Perform a backup of each appliance node.