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High Availability Software for the Intel
®
NetStructure
TM
ZT 4901 Technical Product Specification 123
RH Device Driver Interface for
Linux* 2.4 D
The High-Availability RH architecture leverages both the capabilities of the native hot-pluggable
Linux driver model and the Hot-Swap Kit drivers to offer ultra-quick takeovers while maintaining
maximum device serviceability. The Linux hot-pluggable driver model not only provides hot
extraction of backplane devices, but also dynamic device insertion. The Linux hot-pluggable driver
model is a stated driver architecture that is used by RH drivers to survive system switchovers with
a minimum of service interruptions. For further details on this driver model please refer to the
Linux Device Drivers Book version 2 published by O’Reilly and Associates. Specifically the Hot-
Pluggable driver extension is documented in the PCI Interface chapter.