By enabling businesses to communicate with their customers and each other, and local and states governments to serve citizens. the MD-based public utility provides telephony, highspeed Internet and data connectivity services, website and managed server hosting, and collocation data-center services. Relying on an 4 terabit-per-second fiber backbone, the enterprise prides itself on the high-availability of its many services, achieving this goal, in part, by operating a redundant second datacenter.
Providing businesses and governments with critical voice and Internet services requires reliable, high-speed storage. This ISP runs applications and databases such as MS SQL Server, MySQL, and Postscript in virtual machines to manage customer data and billing. It also applies business intelligence for intelligent call routing, fraud detection, and cybersecurity.
“Our systems scan thousands of calls daily to detect suspicious activity,” said the CIO. “We need high-throughput storage to analyze massive data streams quickly.” Previously reliant on spindle-based SAN systems nearing end-of-life, the ISP required a robust, high-performance storage upgrade across its two data centers.
The QSAN Flash Arrays was installed into similar environments at its two datacenters. Each 2U device was initially provisioned with 12 1.9TB SSDs and then fully populated with 26 SSDs, providing 49TBs of capacity. Each QSAN array houses 22 terabytes of data.
The QSAN platforms have redundant 10Gb iSCSI links to a pair of Juniper Ex4550 switches at the data centers. The switches at each site connect to HP Proliant DL 360 servers through 10Gb connections. Additionally, the switches each site connect to a server running the DataCore SANsymphony-V storage virtualization solution.
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