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| | | |  | IMPORTANT: If you use Serviceguard, HP recommends the PCI
Error Handling feature only be enabled if your storage devices are
configured with multiple paths and are protected by high availability storage
software such as PVLink, SecurePath, or MirrorDisk/UX. If PCI Error
Handling is enabled, but your storage devices are configured with
only a single path, Serviceguard may not detect when connectivity
is lost and cause a failover. | | | | |
| | | |  | NOTE: With the PCI Error Handling solution installed, there
is still a remote possibility that an MCA or HPMC could occur during
a PCI OLA operation (online addition of an IO card). At the beginning
of a PCI OLA operation, the PCI bus is set to hardfail mode
until it is determined that the driver associated with the card
is softfail capable. Any PCI error that occurs
during this brief window of exposure (while the bus is in hardfail mode)
can cause an MCA or HPMC. This exposure only exists during PCI OLA
operations. This exposure does not exist during PCI OLR operations
(online replacement of an IO card) or during ordinary IO card operations. | | | | |
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