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SMB/CIFS Configuration Power Guide

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SMB/CIFS Configuration Power Guide SMB/CIFS Configuration Power Guide ONTAP® 9 Fifth edition © Copyright Lenovo 2018, 2021. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration (GSA) contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925 Contents Chapter 1. Deciding whether to use Creating an SMB server in a workgroup . 23 the SMB/CIFS Configuration Power Creating local user accounts . 24 Guide . 1 Creating local groups . 25 Managing local group membership . 26 Chapter 2. SMB/CIFS configuration Verifying enabled SMB versions . 27 workflow . 3 Mapping the SMB server on the DNS server. 28 Assessing physical storage requirements . 4 Assessing networking requirements . 5 Chapter 4. Configuring SMB client Deciding where to provision new SMB/CIFS access to shared storage . 29 storage capacity . 6 Creating a volume or qtree storage container . 29 Worksheet for gathering SMB/CIFS configuration Creating a volume . 29 information . 6 Creating a qtree . 30 Chapter 3. Configuring SMB/CIFS Requirements and considerations for creating an access to an SVM . 13 SMB share. 31 Creating an SMB share . 32 Creating an SVM . 13 Verifying SMB client access . 32 Verifying that the SMB protocol is enabled on the SVM . 14 Creating SMB share access control lists . 33 Opening the export policy of the SVM root Configuring NTFS file permissions in a share . 34 volume . 14 Verifying user access. 36 Creating a LIF . 15 Enabling DNS for host-name resolution . 18 Chapter 5. Where to find additional Setting up an SMB server in an Active Directory information. 37 domain . 19 Configuring time services . 19 Appendix A. Contacting Support . 39 Creating an SMB server in an Active Directory domain . 20 Appendix B. Notices. 41 Setting up an SMB server in a workgroup. 23 Trademarks . 42 © Copyright Lenovo 2018, 2021 i ii SMB/CIFS Configuration Power Guide Chapter 1. Deciding whether to use the SMB/CIFS Configuration Power Guide This guide describes how to use ONTAP 9 CLI commands to configure SMB client access to files contained in a new volume or qtree in a new or existing SVM. It includes examples and advanced configuration options. Note: SMB (Server Message Block) refers to modern dialects of the Common Internet File System (CIFS) protocol. You will still see CIFS in the ONTAP command-line interface (CLI) and in OnCommand management tools. You should use this guide if you want to configure SMB access to a volume or qtree in the following way: • You want to use SMB version 2 or later. • You want to serve SMB clients only, not NFS clients (not a multiprotocol configuration). • NTFS file permissions will be used to secure the new volume. • You have cluster administrator privileges, not SVM administrator privileges. Cluster administrator privileges are required to create SVMs and LIFs. SVM administrator privileges are sufficient for other SMB configuration tasks. • You want to use the CLI, not ThinkSystem Storage Manager for DM Series or an automated scripting tool. You can use the SMB/CIFS Configuration Express Guide and other Express Guides to support configuration with Storage Manager and OnCommand Workflow Automation for automated scripting support. • You want to use best practices, not explore every available option. Details about command syntax are available from CLI help and ONTAP man pages. • You do not want to read a lot of conceptual background. Additional information about ONTAP technology and interaction with external services is available in the Lenovo ThinkSystem Storage Information Center. If this guide is not suitable for your situation, you should see the following documentation instead: • ONTAP Command man pages • SMB/CIFS and NFS multiprotocol express configuration • SMB/CIFS configuration express guide • SMB/CIFS File Access Reference Guide • Network Management Guide © Copyright Lenovo 2018, 2021 1 2 SMB/CIFS Configuration Power Guide Chapter 2. SMB/CIFS configuration workflow Configuring SMB involves assessing physical storage and networking requirements, and then choosing a workflow that is specific to your goal; configuring SMB access to a new or existing SVM, or adding a volume or qtree to an existing SVM that is already fully configured for SMB/CIFS access. © Copyright Lenovo 2018, 2021 3 Assessing physical storage requirements Before provisioning SMB storage for clients, you must ensure that there is sufficient space in an existing aggregate for the new volume. If there is not, you can add disks to an existing aggregate or create a new aggregate of the desired type. 4 SMB/CIFS Configuration Power Guide Step 1. Display available space in existing aggregates: storage aggregate show If there is an aggregate with sufficient space, record its name in the worksheet. Example cluster::> storage aggregate show Aggregate Size Available Used% State #Vols Nodes RAID Status --------- -------- --------- ----- ------- ------ ------ ----------- aggr_0 239.0GB 11.13GB 95% online 1 node1 raid_dp, normal aggr_1 239.0GB 11.13GB 95% online 1 node1 raid_dp, normal aggr_2 239.0GB 11.13GB 95% online 1 node2 raid_dp, normal aggr_3 239.0GB 11.13GB 95% online 1 node2 raid_dp, normal aggr_4 239.0GB 238.9GB 95% online 5 node3 raid_dp, normal aggr_5 239.0GB 239.0GB 95% online 4 node4 raid_dp, normal 6 entries were displayed. Step 2. If there are no aggregates with sufficient space, add disks to an existing aggregate by using the ssttoorraaggee aaggggrreeggaattee aadddd--ddiisskkss command, or create a new aggregate by using the ssttoorraaggee aaggggrreeggaattee ccrreeaattee command. Assessing networking requirements Before providing SMB storage to clients, you must verify that networking is correctly configured to meet the SMB provisioning requirements. Before you begin The following cluster networking objects must be configured: • Physical and logical ports • Broadcast domains • Subnets (if required) • IPspaces (as required, in addition to the default IPspace) • Failover groups (as required, in addition to the default failover group for each broadcast domain) • External firewalls Step 1. Display the available physical and virtual ports: network port show • When possible, you should use the port with the highest speed for the data network. • All components in the data network must have the same MTU setting for best performance. Step 2. If you are planning to use a subnet name to allocate the IP address and network mask value for a LIF, verify that the subnet exists and has sufficient addresses available: network subnet show Subnets contain a pool of IP addresses that belong to the same layer 3 subnet. Subnets are created by using the nneettwwoorrkk ssuubbnneett ccrreeaattee command. Step 3. Display available IPspaces: network ipspace show Chapter 2. SMB/CIFS configuration workflow 5 You can use the default IPspace or a custom IPspace. Step 4. If you want to use IPv6 addresses, verify that IPv6 is enabled on the cluster: network options ipv6 show If required, you can enable IPv6 by using the nneettwwoorrkk ooppttiioonnss iippvv66 mmooddiiffyy command. Deciding where to provision new SMB/CIFS storage capacity Before you create a new SMB volume or qtree, you must decide whether to place it in a new or existing SVM, and how much configuration the SVM requires. This decision determines your workflow. If you want to provision a volume or qtree on a new SVM, or on an existing SVM that has SMB enabled but not configured, complete the steps in both “Configuring SMB/CIFS access to an SVM ” and “Adding storage capacity to an SMB/CIFS-enabled SVM ”. Chapter 3 “Configuring SMB/CIFS access to an SVM ” on page 13 Chapter 4 “Configuring SMB client access to shared storage ” on page 29 You might choose to create a new SVM if one of the following is true: – You are enabling SMB on a cluster for the first time. – You have existing SVMs in a cluster in which you do not want to enable SMB support. – You have one or more SMB-enabled SVMs in a cluster, and you want one of the following connections: – To a different Active Directory forest or workgroup. – To an SMB server in an isolated namespace (multi-tenancy scenario). You should also choose this option to provision storage on an existing SVM that has SMB enabled but not configured. This might be the case if you created the SVM for SAN access or if no protocols were enabled when the SVM was created. After enabling SMB on the SVM, proceed to provision a volume or qtree. If you want to provision a volume or qtree on an existing SVM that is fully configured for SMB access, complete the steps in “Adding storage capacity to an SMB/CIFS-enabled SVM ”. Chapter 4 “Configuring SMB client access to shared storage ” on page 29 Worksheet for gathering SMB/CIFS configuration information The SMB configuration worksheet enables you to collect the required information to set up SMB access for clients. You should complete one or both sections of the worksheet, depending on the decision you made about where to provision storage: • If you are configuring SMB access to an SVM, you should complete both sections. Chapter 3 “Configuring SMB/CIFS access to an SVM” on page 13 Chapter 4 “Configuring SMB client access to shared storage” on page 29 • If you are adding storage capacity to an SMB-enabled SVM, you should complete only the second section. Chapter 4 “Configuring SMB client access to shared storage” on page 29 6 SMB/CIFS Configuration Power Guide The command man pages contain details about the parameters. Configuring SMB access to an SVM Parameters for creating an SVM You supply these values with the vvsseerrvveerr ccrreeaattee command if you are creating a new SVM. Field Description Your value -vserver A name you supply for the new SVM that is either a fully qualified domain name (FQDN) or follows another convention that enforces unique SVM names across a cluster.
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