I have several IBM X series (342,345,346) servers with Windows 2000 and 2003 loaded. I am experiencing an issue with the server hanging when booting. This only happens when I have the server connected to the SAN. I am using Qlogic 2340 HBA connecting to Cisco 9509 SAN switches. I can see the HBA log into the switch when the server hangs so I know that it's not the flogi. If I pull the fiber cable or disable the switch port the server will continue to boot with no issue. I have verified that the server bios and the HBA bios are on current levels as well as the HBA driver. This issue happens mainly when rebooting from the OS. If the server is completely powered down and then restarted the problem usually does not happen
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