![]() These would interfere with each other and quickly corrupt the data. If multiple systems were simply to attempt to share a LUN, Operating systems maintain their own file systems on their own dedicated, non-shared LUNs, as though they were local to themselves. Essentially, a SAN consolidates such storage islands together using a high-speed network. External Chassis connected to more than one Server via a Cable.ĭata centers first created “islands” of SCSI diskĪrrays as direct-attached storage (DAS), each dedicated to anĪpplication, and visible as a number of “virtual hard drives” (i.e. External Chassis of Disks connected to a Server via a Cable (SCSI or Fiber Channel) Libraries, and optical jukeboxes, accessible to servers so that theĭevices appear like locally attached devices to the operating system. ![]() SANsĪre primarily used to make storage devices, such as disk arrays, tape SAN (Storage Area Network) is storage product of IBM which provides dedicated network to block level data storage. ![]()
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