SnapDrive® 7.1 for Windows® Administration Guide For SAN Environments February 2019 | 215-08797_C0 [email protected] Table of Contents | 3 Contents SnapDrive overview .................................................................................... 10 New in SnapDrive 7.1.5 for Windows ....................................................................... 10 Automated storage provisioning and data management using SnapDrive for Windows .............................................................................................................. 10 List of current SnapDrive for Windows limitations .................................................. 11 Understanding SnapDrive for Windows components ............................................... 11 Understanding the Volume Shadow Copy Service .................................................... 12 Recommendations for using SnapDrive for Windows .............................................. 12 Establishing a connection to the storage system ...................................... 14 Managing iSCSI sessions .......................................................................................... 14 iSCSI Software Initiator node naming requirements .................................... 14 Establishing an iSCSI session to a target ...................................................... 14 Disconnecting an iSCSI target from a Windows host ................................... 16 Disconnecting a session to an iSCSI target ................................................... 16 Examining details of an iSCSI session .......................................................... 17 SnapDrive for Windows support for ESX iSCSI initiators ....................................... 17 ESX limitations ............................................................................................. 17 Enabling storage system HTTP communication with SnapDrive ............................. 18 Using SnapDrive in Microsoft environments ........................................... 19 Understanding Data ONTAP DSM support for Windows MPIO ............................. 19 Support for Microsoft Cluster Shared Volumes ........................................................ 19 Verifying the cluster group owner ................................................................. 19 Changing the cluster group owner ................................................................. 20 Creating LUNs .......................................................................................................... 20 Rules for creating LUNs ............................................................................... 20 What volume mount points are ..................................................................... 21 Creating a dedicated LUN ............................................................................. 21 Creating a shared LUN .................................................................................. 23 Windows Server failover cluster support ...................................................... 24 Configuring a Windows Server failover cluster witness disk ........................ 24 Support for creating disks on a SVM operating in clustered Data ONTAP .................................................................................................... 25 GPT partition support .................................................................................... 26 Configuring SnapDrive for Windows to create LUNs with virtual Fibre Channel .................................................................................................... 26 Managing LUNs ........................................................................................................ 26 How LUNs work ........................................................................................... 26 List of guidelines for connecting LUNs ........................................................ 27 Connecting to a LUN .................................................................................... 27 Making drive letter or path modifications to a LUN ..................................... 28 Guidelines for disconnecting or deleting LUNs ............................................ 29 4 | Administration Guide for SAN Environments Disconnecting a LUN .................................................................................... 29 Deleting a LUN ............................................................................................. 30 Deleting folders within volume mount points ............................................... 31 Guidelines for resizing disks ......................................................................... 31 Resizing a disk .............................................................................................. 32 Requirements for dynamically adding and removing pass-through disks on Hyper-V virtual machines .................................................................. 32 Managing Snapshot copies ........................................................................................ 34 Reasons for creating Snapshot copies ........................................................... 34 Restrictions on Snapshot copy creation ........................................................ 34 Creating a Snapshot copy .............................................................................. 34 Scheduling Snapshot copies .......................................................................... 35 Support for FlexClone volumes .................................................................... 36 Restrictions when working with Snapshot copies ......................................... 37 Connecting to a LUN in a Snapshot copy ..................................................... 37 Data protection through archiving and restoring Snapshot backup copies ... 38 Deleting a Snapshot copy .............................................................................. 41 Managing space on storage system volumes ............................................................. 42 What SnapDrive fractional space reservation monitoring does .................... 42 Configuring space reservation monitoring .................................................... 42 Using the storage access control tool to enable thinly provisioned LUNs .... 43 What Space Reclaimer does .......................................................................... 43 Using SnapDrive in VMware environments ............................................. 47 Supported VMware guest OS platforms ................................................................... 47 VMware ESX server-related limitations ....................................................... 47 Enabling and disabling vCenter or ESX login from SnapDrive for Windows MMC ....................................................................................... 47 Minimum vCenter privileges required for SnapDrive operations ................. 48 Creating LUNs in VMware environments ................................................................ 48 Creating an RDM LUN on a guest OS .......................................................... 49 Using FC RDM LUNs in a Microsoft cluster ............................................... 51 Managing LUNs in VMware environments .............................................................. 52 Connecting to an RDM LUN on a guest OS ................................................. 52 Guideline for managing RDM LUNs not created in SnapDrive ................... 53 Managing Snapshot backups in VMware environments ........................................... 53 Support requirements for performing Snapshot copy operations in VMDKs on NFS and VMFS datastores .................................................. 54 Snapshot copy support limitations on VMDKs ............................................. 54 Troubleshooting VMDKs .............................................................................. 54 Support requirements for space reclamation in VMDK files in NFS datastores ...... 56 Performing SnapVault and SnapMirror operations ............................... 57 Using SnapVault with SnapDrive .............................................................................. 57 Requirements for using SnapVault ................................................................ 57 Initiating SnapVault backup jobs from SnapDrive for Windows .................. 57 SnapVault operations supported in clustered Data ONTAP .......................... 58 Table of Contents | 5 Using SnapMirror with SnapDrive for Windows ...................................................... 58 SnapMirror overview ..................................................................................... 58 Types of SnapMirror replication ................................................................... 59 Requirements for using SnapMirror with SnapDrive for Windows .............. 60 Initiating replication manually ...................................................................... 61 Connecting to a LUN on a mirrored destination volume .............................. 62 Restoring a volume on a SnapMirror destination .......................................... 62 SnapDrive integration with OnCommand Unified Manager Core Package data protection capabilities .......................................................................................... 63 How SnapDrive for Windows integrates with OnCommand Unified Manager Core Package data protection capabilities ...............................