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System z kernel features – FCP
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FCP automated port discovery (kernel 2.6.25)
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Scan the connected fiber channel SAN and automatically activate all available
and accessible target ports. This requires a proper SAN setup with zoning.
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FCP LUN discovery tool (user space)
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A command line tool to display the available LUNs for a specified remote-port.
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A replacement for the functionality provided by the san-discovery tool based on
the zFCP HBA-API.
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FCP enhanced trace facility (kernel 2.6.21)
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The new zfcp error recovery trace code allows to understand all operations
related to zfcp error recovery.
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The trace output can be found in the debug feature /sys/kernel/debug/s390dbf
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