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IBM System Storage SAN Volume Controller Best Practices and Performance Guidelines by Leandro Torolho, Otavio Rocha Filho, Jon Parkes, Paulo Neto, Ronda Hruby, Ivo Gomilsek, Katja Gebuhr, Mary Lovelace

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Troubleshooting and diagnostics
The SAN Volume Controller is be a robust and reliable virtualization engine that has demonstrated excellent availability in the field. However, today’s storage area networks (SANs), storage subsystems, and host systems are complicated, and from time to time, problems can occur.
This chapter provides an overview of common problems that can occur in your environment. It explains problems that are related to the SAN Volume Controller, the SAN environment, storage subsystems, hosts, and multipathing drivers. It also ...

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