If you lost the admin password for HP Eva storage P6300 and P6000 family the only way to solve is using hard reset. reset through management module.
See at the back of Eva storageworks controller unit, you can see the Reset button on the Management module.
|Reset button at Management module Eva P6000 Controller|
To Reset :
Press and hold the reset button for about 5 or 6 seconds until the green LED flashing, (release the button if the green LED is already flashing). Flashing LED means reset in process and it will take about 2 minutes. When the reset operation is completed, then the green LED indicator light will turn solid green.
The default IP address for Eva P6300 is 192.168.0.1
The default administrator is admin
The default password is blank (no/without password).
Recommended to change IP and default admin password.