Why san storage

Both of them have downsides if the system is underpowered for the load, and both of them are just fine if the system is properly configured and managed. However, in either case, properly sized, the system can continue working without any interruption if either controller fails at any time.

Multipathing is used to allow the servers to see the storage through both controllers. This increases the path redundancy of the storage connections. Multiple power supplies, advanced RAID configurations, larger caching, and ultimately more performance can be had by using a SAN rather than separate physical disks for every server.

It also can be used for shared storage in a number of Microsoft cluster scenarios. All of these increase availability. It should be noted that, with few exceptions for specific vendors, the vast majority of SAN outages are due to power issues and not the failure of the SAN itself.

A SAN also allows for easier adjustments of disk storage capacities and performance. Logical drives can be expanded independently of the physical storage capacity available.

These more complicated configurations would be even more costly to configure on individual servers. NetApp works closely with Brocade to deliver innovative storage networking solutions that help reduce complexity and cost while enabling maximum performance with consistent low latency to increase business agility.

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