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3 Dell EMC SC Series: Best Practices with VMware vSphere | 2060-M-BP-V
Table of contents
Revisions............................................................................................................................................................................. 2
Acknowledgments ............................................................................................................................................................... 2
Table of contents ................................................................................................................................................................ 3
1 Introduction ................................................................................................................................................................... 6
1.1 Audience ............................................................................................................................................................. 6
1.2 Prerequisites ....................................................................................................................................................... 6
2 Fibre Channel switch zoning ........................................................................................................................................ 7
2.1 Single initiator multiple target zoning .................................................................................................................. 7
2.2 WWN zoning ....................................................................................................................................................... 7
2.3 Port zoning .......................................................................................................................................................... 7
2.4 Virtual ports ......................................................................................................................................................... 8
3 Host initiator settings .................................................................................................................................................... 9
4 Modifying queue depth and timeouts ......................................................................................................................... 10
4.1 Host bus adapter queue depth ......................................................................................................................... 10
4.2 Storage driver queue depth and timeouts ........................................................................................................ 10
4.3 Adjusting settings for permanent device loss conditions .................................................................................. 13
4.4 Modifying the VMFS queue depth for virtual machines (DSNRO) ................................................................... 13
4.5 Adaptive queue depth ....................................................................................................................................... 16
4.6 Modifying the guest operating system queue depth ......................................................................................... 16
4.7 Setting operating system disk timeouts ............................................................................................................ 17
5 Guest virtual SCSI adapter selection ......................................................................................................................... 19
5.1 BusLogic Parallel .............................................................................................................................................. 19
5.2 LSI Logic Parallel .............................................................................................................................................. 19
5.3 LSI Logic SAS ................................................................................................................................................... 19
5.4 VMware Paravirtual .......................................................................................................................................... 19
6 Mapping volumes to an ESXi server .......................................................................................................................... 20
6.1 Basic volume mapping concepts ...................................................................................................................... 20
6.2 Basic SC Series volume mappings .................................................................................................................. 20
6.3 Multipathed volume concepts ........................................................................................................................... 21
6.4 Multipathed SC Series volumes ....................................................................................................................... 22
6.5 Configuring the VMware iSCSI software initiator for a single path ................................................................... 24
6.6 Configuring the VMware iSCSI software initiator for multipathing .................................................................... 25
6.7 iSCSI port multi-VLAN configuration recommendations................................................................................... 27
6.8 Configuring the FCoE software initiator for multipathing .................................................................................. 28