Addressing data storage performance with storage monitoring tools

1. Application tools that are built into applications. These include Microsoft Corp.'s Exchange Server and SQL Server and Oracle Corp.'s database servers.

2. Operating system tools. In a Windows environment, Perfmon can be used, while iostat or sar can be used in a Unix/Linux environment.

3. Element managers for the storage arrays and the switches.

4. Storage resource management (SRM) software, such as:

• EMC Corp. ControlCenter


• Hewlett-Packard (HP) Co. Storage Essentials


• IBM Corp. Tivoli Storage Productivity Center (TPC)


• Symantec Corp. Veritas CommandCentral Storage

5. SAN monitoring applications, including:

• Brocade Communications Systems Inc. Data Center Fabric Manager


• Dell Inc. EqualLogic SAN HQ


• NetApp Inc. SANscreen

6. Specialized performance-monitoring tools from vendors such as Akorri, Tek-Tools and Virtual Instruments Corp.

These tools generally work by sending commands to the element managers, talking to a storage device's APIs or command-line interfaces. They can also work by using Simple Network Management Protocol (SNMP) and the Storage Management Initiative Specification (SMI-S) put out by the Storage Networking Industry Association (SNIA).

Learn more about Troubleshooting and identifying data storage performance bottlenecks.

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