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Chapter 4
Removing and Replacing Components
Removing and Replacing Hot-Plug PCI-X Cards
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To easily locate the PCI-X slot at which you wish to perform a hot-plug operation, you can command the
attention LEDs, on the OLX divider and the I/O baseboard, to blink and act as visual cues to the active slot
location. This operation is always initiated through a software or web interface and is optional to the
operating system on your HP server.
Operating System Support for Hot-Plug PCI-X Operations
The capability of each operating system to support hot-plug PCI-X operations is different. The following
explanation details the capabilities of each operating system.
NOTE Open VMS does not support hot-plug PCI-X operations.
• HP-UX 11i v2
HP-UX 11i v2 supports only OL-A, OL-R, and Locate hot-plug PCI-X operations.
In OL-R, it is a requirement that the card to be inserted (replaced) be exactly the same as the card being
removed. During this OL-R operation, HP-UX 11i v2 suspends the device driver and re-enables it upon
completion of the OL-R operation.
In HP-UX 11i v2, the Locate function is only available through the command line or web interface.
• Windows Server 2003 Enterprise Edition
Windows Server 2003 Enterprise Edition supports only OL-A and OL-D hot-plug PCI-X operations.
In OL-D, Windows Server 2003 Enterprise Edition will delete the device object, after the card’s successful
removal from the slot. You do not have to re-install drivers for the deleted device on subsequent insertions
or reboots
To perform a card replacement hot-plug PCI-X operation in Windows Server 2003, you must first perform
an OL-D operation followed by an OL-A operation.
• Linux Red Hat Advanced Server 2.1
At this time Linux RHEL4 U3 does not support hot-plug PCI-X technology.
Table 4-6 shows hot-plug operations that are available in HP-UX 11i v2, Windows Server 2003 Enterprise
Edition, and Linux Red Hat Advanced Server 2.1 operating systems.
Table 4-6 Hot-Plug Operation and OS Compatibility
Hot-Plug
Operation
HP-UX 11i v2
Windows Server 2003
Enterprise Edition
Linux Red Hat
Enterprise
Advanced Server
4 Update 3
OL-A Yes Yes No
OL-R Yes. HP-UX 11i v2 demands
like-for-like replacement. A like-for-like
card means that the new card is exactly
the same as the card being replaced.
No. But, you can perform a
combination of OL-D and
OL-A to replace a card.
No
OL-D Not supported by HP-UX 11i v2. Yes No