Front cover IBM FlashSystem A9000, IBM FlashSystem A9000R, and IBM XIV Storage System Host Attachment and Interoperability Markus Oscheka Bert Dufrasne Roger Eriksson Detlef Helmbrecht Petar Kalachev Stephen Solewin Bruce Spell Redbooks International Technical Support Organization IBM FlashSystem A9000, A9000R, and IBM XIV Storage System: Host Attachment and Interoperability July 2019 SG24-8368-01 Note: Before using this information and the product it supports, read the information in “Notices” on page vii. Second Edition (July 2019) This edition applies to Version 12.2.1 of the IBM FlashSystem A9000 and IBM FlashSystem A9000R software, and Version 11.6.2 of the XIV Storage System software. This document was created or updated on July 25, 2019. © Copyright International Business Machines Corporation 2019. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . vii Trademarks . viii Preface . ix Authors. ix Now you can become a published author, too! . .x Comments welcome. xi Stay connected to IBM Redbooks . xi Chapter 1. XIV host connectivity . 1 1.1 Overview . 2 1.1.1 Module, patch panel, and host connectivity . 3 1.1.2 Host operating system support . 5 1.1.3 Host Attachment Kit . 5 1.1.4 Fibre Channel versus iSCSI access . 8 1.2 Fibre Channel connectivity . 9 1.2.1 Preparation steps . 9 1.2.2 Fibre Channel configurations . 9 1.2.3 Zoning . 13 1.2.4 Identification of FC ports (initiator/target) . 15 1.2.5 Boot from SAN on x86 or x64 based architecture. 17 1.3 iSCSI connectivity . 22 1.3.1 Preparation steps . 22 1.3.2 iSCSI configurations . 23 1.3.3 Network configuration . 25 1.3.4 IBM XIV Storage System iSCSI setup . 25 1.3.5 Identifying iSCSI ports . 29 1.3.6 iSCSI and CHAP authentication . 30 1.3.7 iSCSI boot from XIV LUN . 31 1.4 Logical configuration for host connectivity . 31 1.4.1 Host configuration preparation . 32 1.4.2 Assigning LUNs to a host by using the GUI . 35 1.4.3 Assigning LUNs to a host by using the XCLI . 37 1.5 Performance tuning. 39 1.6 Troubleshooting . 40 Chapter 2. IBM FlashSystem A9000 and A9000R host connectivity . 41 2.1 Overview . 42 2.1.1 Grid controller interface ports and host connectivity . 45 2.1.2 Host operating system support . 46 2.1.3 Host Attachment Kits . 47 2.1.4 Fibre Channel versus iSCSI access . 49 2.2 Fibre Channel connectivity . 51 2.2.1 Preparation steps . 51 2.2.2 Fibre Channel configurations . 51 2.2.3 Zoning . 56 2.2.4 Identification of FC ports (initiator/target) . 56 2.2.5 Start from SAN . 58 2.3 iSCSI connectivity . 59 © Copyright IBM Corp. 2019. All rights reserved. iii 2.3.1 IP configuration . 59 2.3.2 Preparation steps . 60 2.3.3 Network configuration for iSCSI host connectivity . 61 2.3.4 iSCSI start from LUN. 62 2.3.5 iSCSI setup . 62 2.3.6 iSCSI and CHAP authentication . 66 2.4 VLAN tagging . 67 2.4.1 What is a VLAN?. 67 2.4.2 Tagging and trunking . 68 2.4.3 VLAN tagging and port trunking support in FlashSystem A9000/R . 69 2.4.4 FlashSystem A9000/R port trunking reference model . 70 2.4.5 Managing ports and interfaces with VLANs definitions. 72 2.5 VLAN usage scenario . 83 2.6 Logical configuration for host connectivity . 86 2.6.1 Host configuration preparation . 86 2.6.2 Assigning LUNs to a host by using the GUI . 86 2.6.3 Assigning LUNs to a host by using the XCLI . 89 2.7 Performance tuning. 90 2.8 Troubleshooting . 91 Chapter 3. Windows connectivity . 93 3.1 Prerequisites . 94 3.1.1 Supported versions of Windows . 94 3.1.2 Supported FC HBAs . 95 3.1.3 Multipath support and Clustering Options. 95 3.1.4 Required software on the host . 96 3.1.5 Boot from SAN support.