HP HP Integrated Lights-Out, User Manual

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64 User Guide Integrated Lights-Out
CAUTION: It is possible using the Manual Override for BL p-
Class option to power on servers that exceed the power available from
the power supplies. Exceeding the available power can cause loss of all
servers in the rack, server failures, and loss or corruption of data. HP
recommends correcting configuration or communication problems to
ensure reliable operation.
Virtual Media
Virtual Media is enabled by licensing the optional iLO Advanced Pack. If not
licensed, the message
iLO feature not licensed
is displayed.
The iLO Virtual Media option provides the administrator with a Virtual Floppy
disk drive and a Virtual CD drive which can direct a remote host server to boot
and use standard media from anywhere on the network. Virtual Media devices
are available when the host system is booting. The iLO Virtual Media devices
connect to the host server using USB technology. Using USB also enables new
capabilities for the iLO Virtual Media devices when connected to USB-supported
operating systems. Different operating systems provide varying levels of USB
support. The iLO Virtual Media is configurable to address these varying levels of
support ("Operating System USB Support" on page
65 ).
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•
If the Virtual Floppy capability is enabled, the floppy drive normally cannot
be accessed from the client operating system.
If the Virtual CD-ROM capability is enabled, the CD-ROM drive cannot be
accessed from the client operating system.
Under certain conditions, it is possible to access the Virtual Floppy drive from
the client operating system while it is connected. However, it is important that
access to the Virtual Floppy from the client operating system not be attempted
while it is connected as a virtual media device. Doing so could cause data loss on
the floppy drive. Always disconnect Virtual Media before trying to access it from
the client operating system.