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Instruções de Operação HP, Modelo HP FDDI 9000 Interface

Fabricante : HP
Arquivo Tamanho: 56.57 kb
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Língua de Ensino: en
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What’s New in This Version
On Line Addition and Replacement (OLAR)
B2355-90698 for detailed information.
On-Line Addition and/or Replacement (OLAR)
Critical Resources
Replacing a card that is still operating can have extensive ramifications. Since power to the
slot must be off when the old card is removed and the new card is inserted, the effects of
shutting down the card’s functions must be considered.
This is particularly important if there is no on-line failover or backup card to pick up those
functions. For example:
• Which mass storage devices will be temporarily disconnected when the card is shut down?
• Will a critical networking connection be lost?
A critical resource is one that would cause a system crash or prevent the operation from
successfully completing if the resource were temporarily suspended or disconnected. For
example, if the SCSI adapter to be replaced connects to the unmirrored root disk or swap
space, the system will crash when the card is shut down.
During an OLAR procedure, it is essential to check the targeted card for critical resources, as
well as the effects of existing disk mirrors and other situations where a card’s functions can be
taken over by another card that will not be affected.
Fortunately SAM performs a thorough critical resource analysis automatically, and presents
options to you based on it’s findings. If you determine that critical resources will be affected by
the procedure, you could replace the card when the server is off-line, or if you must take action
immediately, you can use rad to attempt an on-line addition of a backup card and deletion of
the target card.
For those wishing to use OLAR, your system may need to update its firmware. For additional
details, please refer to the Readme Before Installing or Updating to HP-UX 11i document
provided with you HP product.
Card Compatibility
On-Line Addition (OLA)
When on-line adding an interface card, the first issue that must be resolved is whether the
new card is compatible with the system. Each OLAR-capable PCI slot provides a set amount
of power. The replacement card cannot require more power than is available.
The card must also operate at the slot’s bus frequency. A PCI card must run at any frequency
lower than its maximum capability, but a card that could only operate at 33 MHz would not
work on a bus running at 66 MHz. rad provides information about the bus frequency and
power available at a slot, as well as other slot-related data.
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Este manual também é adequado para os modelos :
Equipamento de rede - HP-UX 11i v1 I/O Cards (56.57 kb)

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