The granting or withholding of a service or access to a resource to a requestor based on the identity of the principal for which the requestor is acting. Often used in file system context to denote a persistent list maintained by a file system and defining user and group permissions for file and directory access. A process by which nodes are guaranteed access to a Fibre Channel arbitrated loop independent of other nodes' activity. The means used to access a physical transmission medium in order to transmit data. The combination of host bus adapter , logical unit number , route through the host-storage interconnect, controller, and logical unit used by a computer to communicate with a storage device .
Some configurations support multiple access paths to a single device.
Acronym for automated cartridge system . The state of a Fibre Channel Sequence Initiator between the start of transmission of the first data frame of a sequence and the completion of transmission of the last data frame in the sequence. Also, the state of a Fibre Channel Sequence Recipient between the start of reception of the first data frame of a sequence and the completion of reception of the last data frame in the sequence. Synonym for dual active components or controllers. Synonym for hot standby components or controllers.