Patent ID: 8489848
Filing Date: 2013-07-16
Classification: G06F,H04L

Abstract:
1. A method of data communications through a host Fibre Channel adapter (‘HFCA’) of a computer, the computer comprising computer memory, the computer coupled for data communications through the HFCA to one or more data storage devices, the computer further comprising two or more logical partitions, the logical partitions administered by a hypervisor, each logical partition assigned a portion of the computer memory, each logical partition comprising a separate instance of a low-level, switched fabric input/output (‘I/O’) library, the method comprising: establishing, in the HFCA by instances of the I/O library in two or more logical partitions and by the hypervisor, separate logical Fibre Channel adapters (‘LFCAs’) for at least two of the logical partitions, each LFCA comprising at least one range of I/O memory addresses in the address space of the logical partition; and transferring data between the computer memory of the logical partitions and the data storage devices through the LFCAs and the HFCA.