HP 3PAR 3.1.3 Downgrade Instructions

5 Performing an Offline Downgrade

The following procedure guides you through an offline downgrade of the storage system.

1. Make sure that you have access to the console for a node.

2. Login to the SP as spvar.

3. From the SPmaint main menu, enter: =4.7.3 and then press Enter.

4. Select the desired storage system and press Enter.

5. Select the offline update, enter: y and then press Enter.

6. Select the number corresponding to 3.1.2.484, and then press Enter.

7. To proceed with the downgrade, enter: y.

8. To confirm the downgrade, enter the number displayed and then press Enter.

9. Verify that the IDE disks are updated successfully.

NOTE: All the nodes will be rebooted. Monitor the node console for the BIOS to be flashed

with the previous level.

NOTE: The reboot process takes approximately 15-20 minutes.

NOTE: When the storage system completes rebooting, the cage and PD firmware might be

in an unknown state.

10. Enter: showpd -showcols

Id,CagePos,Node_WWN,Manuf,FW_Rev,Serial,FW_Status and verify that the

FW_status column indicates that the firmware is shown as current.

NOTE: Sample output is for example only. In this example the showpd -showcols

Id,CagePos,Node_WWN,Manuf,FW_Rev,Serial,FW_Status command indicates

current in the FW_status column for PDs.

The output of PDs at the current firmware version on after the downgrade to 3.1.2 MU3:

cli% showpd -showcols Id,CagePos,Node_WWN,Manuf,FW_Rev,Serial,FW_Status

Id CagePos Node_WWN Manuf FW_Rev Serial FW_Status

0 0:0:0 5000CCA0165D04CF HITACHI 3P00 KMHN4VXF current

1 0:1:0 5000CCA0165CD48B HITACHI 3P00 KMHN1N8F current

2 1:0:0 5000CCA016579EC3 HITACHI 3P00 KMHK5UNF current

3 1:1:0 5000CCA0165A6023 HITACHI 3P00 KMHLPTXF current

4 3:0:0 5000CCA0165856F3 HITACHI 3P00 KMHKL2XF current

5 3:1:0 5000CCA02231D803 HITACHI 3P00 KMVWDT7F current

6 4:0:0 5000CCA0165D60A3 HITACHI 3P00 KMHNAZHF current

7 4:1:0 5000CCA02231CFBF HITACHI 3P00 KMVWD75F current

8 5:0:0 5000CCA0165D31DB HITACHI 3P00 KMHN7VXF current

9 5:1:0 5000CCA0165B329B HITACHI 3P00 KMHM4UEF current

10 6:0:0 5000CCA0165D79B7 HITACHI 3P00 KMHNDN8F current

11 6:1:0 5000CCA0165D63A3 HITACHI 3P00 KMHNB5PF current

12 7:0:0 5000CCA0165D606B HITACHI 3P00 KMHNAZ1F current

13 7:1:0 5000CCA0165D609F HITACHI 3P00 KMHNAZGF current

14 2:0:0 5000CCA02231D0C3 HITACHI 3P00 KMVWD98F current

15 2:1:0 5000CCA0165D3A7F HITACHI 3P00 KMHN8ESF current

11. To examine the firmware status, enter: showcage -d.

NOTE: The showld command can be issued to identify the Preserved Data LDs.