Choosing Between SAN and DAS

One of the common points of contention is what storage systems to use when deploying Operations Manager. The two main contenders are a storage area network (SAN) disk subsystem and a direct attached storage (DAS) disk subsystem. The SAN is typically a switched-based fiber-channel fabric and a large array of disks that is managed by a dedicated storage team. The SAN has high reliability and high performance, but also high cost. The DAS is a RAID subsystem of disks that are directly attached to the servers. Depending on the RAID configuration, this can have high reliability and high performance, but costs less than a SAN.

Choosing between a SAN and DAS can be tough, as there are competing claims as to which subsystem ...

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