HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure User Manual page 249

High availability scsi disk array
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Option
Update
Controller
Firmware
Disk Firmware
7-48
Property
Description
Download,
Downloads microcode to the SCSI disk array's
update PROM
database drives, burns PROM code contained in the
and restart
download file into the SP's PROMs, and restarts the
controllers
SP using the new microcode.
Download and
Downloads microcode to the SCSI disk array's
restart
database drives; restarts the SP using the new
controllers
microcode.
Download only
Downloads microcode to the SCSI disk array's
database drives, but does not take effect until the
SPs are restarted (with a Restart Controllers only
command, or by power cycling the SCSI disk array).
Restart
Restarts the SPs, using microcode residing on the
controllers only
database drives.
N/A
Supplies firmware to all compatible disk modules
within the SCSI disk array (that is, those with the
same product ID). This applies even to disk modules
owned by another SP. The firmware then resides
permanently within those disk modules until another
disk module firmware update is performed.
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