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Introduction
Windows
Host
HBA 0
HBA 1
HBA 2
PHYSICALDRIVE0
PHYSICALDRIVE4
PHYSICALDRIVE8
The next figure shows the same host after the cable attached to HBA0 has been removed and the host rebooted. Since Windows was not able to do a discovery on HBA0, it assigned \\PHYSICALDRIVE0 to the first device it discovered. In this case, that first device is connected to HBA1. Due to the shift, any software application accessing \\PHYSICALDRIVE0 will not find data previously written on the original \\PHYSICALDRIVE0.
Windows
Host
HBA 0
HBA 1
HBA 2
PHYSICALDRIVE0
PHYSICALDRIVE4
The default driver behavior does not store target bindings between host reboots. The bindings are dynamically generated by the HBA when new target devices are detected.
EMC Fibre Channel with QLogic HBAs in Windows Hosts | |
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