Managing ESX Server Systems That Use SAN Storage This chapter can help you with managing your ESX Server system, with using SAN storage effectively, and with troubleshooting. This chapter discusses the following topics: • Issues and Solutions • Guidelines for Avoiding Problems • Getting Information • Resolving Display Issues • Advanced LUN Display Configuration • N-Port ID Virtualization • Multipathing • Failover • VMkernel Configuration • Sharing Diagnostic Partitions • Avoiding and Resolving Problems • Optimizing SAN Storage Performance • Resolving Performance Issues • SAN Storage Backup Considerations • Layered Applications • VMFS Volume Resignaturing