Hitachi CB 520H B1 Service Manual page 346

17 Select to be set LUN line, and then press Enter when the LUN to be
.
registered is indicated in line #01.
18 Select Boot this device via WWPN when WWPN was registered in boot
.
entry before the replacement, or select Boot this device via DID when
DID was registered in boot entry before the replacement, and then press
Enter.
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Configuring Emulex mezzanine card
Hitachi Compute Blade 500 Series System Service Manual