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Published: 29 Oct 2012

Five years ago, the first Fibre Channel (FC) storage area networks (SANs) began to be deployed in production environments. At that time, the connectivity options were few, consisting primarily of eight- or 16-port departmental switches and 32-port director-class switches. Because these early SANs served primarily as SCSI-interconnect replacements in environments connecting a relatively small number of servers and devices, this limited expandability wasn't a major problem. How big is too big? Is there a point where the benefits of networked storage begin to diminish because of the liability of having all devices interconnected? As SAN node counts continue to grow, some companies have decided not to connect all devices to a single fabric. Unfortunately, they often arrive at this conclusion after experiencing a SAN event that has caused a major interruption. Even with redundant fabrics, certain component failures have the ability to disrupt I/O, causing applications to crash. The benefits of a large interconnected SAN include: Greater manageability The ability ... Access >>>

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