Dell VNXe2 Configuring Hosts to Access VMware NFS or VMware VMFS Datastores
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- Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 1
EMC® VNXe® Series Configuring Hosts to Access VMware NFS or VMware VMFS Datastores Version 3.1 P/N 302-000-193 REV 03 - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 2
owners. For the most up-to-date regulatory document for your product line, go to the technical documentation and advisories section on the EMC online support website. 2 EMC® VNXe® Series Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 3
the host 12 Configuring user and group access to the NFS datastore 13 Manually setting up the connection to a VNXe NFS datastore 14 Setting Up to use a VNXe VMFS datastore when host configuration fails 26 iSCSI session troubleshooting 27 Setting Up a Host to Use VNXe VMware VMFS (FC) Datastores - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 4
Contents Migrating a virtual machine to a VNXe datastore 37 4 EMC® VNXe® Series Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 5
hardware. Therefore, some functions described in this document might not be supported by all versions of the software or hardware currently in use. The Other VNXe documents include: ◆ Installation Guide ◆ Hardware Information Guide ◆ Parts Location Guide ◆ Configuring Host Access to CIFS File - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 6
set of VNXe customer documentation are located on the EMC Online Support website (http://www.emc.com/vnxesupport). Conventions used in this ) text for names of commands, daemons, options, programs, processes, services, applications, utilities, kernels, notifications, system calls, and man pages - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 7
, release notes, software updates, or information about EMC products, licensing, and service, go to the EMC online support website (registration required) at: http://www.emc.com/vnxesupport Technical support - For technical support, go to EMC online support. Under Service Center, you will see - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 8
Preface 8 EMC® VNXe® Series Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 9
to use VNXe VMware NFS datastores 10 ◆ Configuring VNXe NFS datastores for the host 12 ◆ Configuring user and group access to the NFS datastore 13 ◆ Manually setting up the connection to a VNXe NFS datastore 14 Setting Up a Host to Use VNXe VMware NFS Datastores 9 - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 10
VNXe system using the VNXe Configuration Wizard, as described in the Installation Guide for your storage system. ◆ You have used Unisphere or the VNXe Service (NIS) environment, but you cannot configure a VNXe NAS server as an NIS client. Using network high availability The VNXe system supports - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 11
forwarding mode. Do not use portfast on switch-to-switch connections. For link aggregation, network switches must have IEEE 802.3ad protocol support and guarantee that packets from a single TCP connection always go through the same link in a single direction. Configuring a link aggregation For link - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 12
datastores, all the selected hosts are configured automatically. If an ESXi host cannot see the NFS datastore after you create the datastore, go to "Manually setting up the connection to a VNXe NFS datastore" on page 14. For information on performing these tasks refer to the Unisphere online help - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 13
Setting Up a Host to Use VNXe VMware NFS Datastores Configuring user and group access to the NFS datastore Use the steps below to adjust permissions for best security in an environment where the connections from a VNXe system to the ESX hosts are not on a separate physical or virtual network. If - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 14
Setting Up a Host to Use VNXe VMware NFS Datastores Manually setting up the connection to a VNXe NFS datastore If the ESX host cannot see a VNXe NFS datastore, the VNXe system's configuration of the ESX host - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 15
the ESX iSCSI adapters 22 ◆ Configuring VNXe VMware VMFS datastores for the host 23 ◆ Configuring ESXi Server native failover 24 ◆ Manually configuring the connection to a VNXe VMFS datastore 25 ◆ iSCSI session troubleshooting 27 Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores 15 - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 16
system using the VNXe Configuration Wizard, as described in the Installation Guide for your storage system. ◆ You have used Unisphere or the VNXe subnets. IMPORTANT Directly attaching an ESX host to a VNXe system is supported. Figure 1 on page 17 shows a highly-available iSCSI network configuration - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 17
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores Figure 1 Sample highly-available iSCSI network Requirements for setting up a host to use VNXe VMware VMFS datastores 17 - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 18
.emc.com). 2. Install PowerPath/VE, as described in the appropriate PowerPath/VE installation and administration guide for the host's operating system. This guide is available on the EMC Online Support website. If the host or virtual machine is running the most recent version and a patch exists - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 19
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores Creating a VMkernel port for the software iSCSI adapter Connect the VMkernel, which runs services for iSCSI storage, to the physical network adapter: 1. Log in to the vSphere Client as an administrator. 2. From the Inventory panel, select - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 20
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores Setting up multipathing for iSCSI Use this procedure only if: ◆ You have two or more NICs that you can designate for iSCSI and ◆ You want to connect all of these iSCSI NICs to a single vSwitch. The procedure associates VMkernel ports with - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 21
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores d. Specify the IP settings and click Next. When you enter the subnet mask, be sure that the network adapter are set to the subnet of the VNXe iSCSI interface to which it connects. e. After you review the information on the summary page, - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 22
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores Configure the ESX iSCSI adapters Follow these steps to configure software iSCSI adapters. If CHAP authentication is required, follow VMware vSphere steps to configure CHAP parameters for iSCSI adapters. 1. Log into VMware vSphere Client as - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 23
in which case you need to manually configure this connection as described in "Manually configuring the connection to a VNXe VMFS datastore" on page 25. or • Session between the host and an iSCSI target. To troubleshoot this problem, see "iSCSI session troubleshooting" on page 27. Configuring VNXe - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 24
, you must implement one of the failover policies listed below. For more information about these policies, refer to the ESX configuration guide. ◆ Round Robin (default) ◆ Fixed with failover mode ◆ Most Recently Used (MRU) Configuring the native failover policy 1. Log into VMware vSphere Client - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 25
Manually configuring the connection to a VNXe VMFS datastore If you receive a connection error when the host is trying to log in to an iSCSI target (VNXe iSCSI interface) or you cannot see the datastores on the target, you may be having problems (see "iSCSI session troubleshooting" on page 27). - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 26
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores Setting up an ESX host to use a VNXe VMFS datastore when host configuration fails 1. Log in to the VMware VI Client as an administrator. 2. Rescan for new storage devices: a. From the Inventory panel, select the server, and click the - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 27
iSCSI service on the iSCSI interface starts when the VNXe system is powered up. 3. If you are using CHAP authentication, ensure that the CHAP security settings are correct for your system. See VMware vSphere steps for configuring CHAP parameters for iSCSI adapters. iSCSI session troubleshooting 27 - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 28
Setting Up a Host to Use VNXe VMware VMFS (iSCSI) Datastores 28 EMC® VNXe® Series Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 29
setting up an ESX host to use EMC VNXe VMFS datastores, how to set up the ESX host for path management software, and how to troubleshoot the connection between the ESX host and a VNXe VMFS datastore. Note: The procedures in this document use "ESX" to refer to "VMware ESX." Topics include - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 30
It is possible to add ESX hosts manually, but letting the VNXe detect ESX hosts Configuration Wizard, as described in the Installation Guide for your storage system. ◆ You have SAN requirements Note: Path management software is not currently supported for a Windows 7 or Mac OS host connected to - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 31
.emc.com). 2. Install PowerPath/VE, as described in the appropriate PowerPath/VE installation and administration guide for the host's operating system. This guide is available on the EMC Online Support website. If the host or virtual machine is running the most recent version and a patch exists - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 32
to use a VNXe VMFS datastore when host configuration fails" on page 34. 2. The system rescans the VMFS datastores. If there is a problem, you can manually rescan for the VMFS datastores: a. From the Inventory panel, select the server, and click the Configuration tab. b. Under Hardware, click Storage - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 33
below. For more information about these policies, refer to the ESX configuration guide. ◆ Round Robin (default) ◆ Fixed with failover mode (default on the target, you may be having problems with the SAN connection between the host and the VNXe. This problem may occur because: ◆ The Fibre Channel - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 34
is made to the SAN. See to "Setting up an ESX host to use a VNXe VMFS datastore when host configuration fails" on page 34 to manually add VNXe VMFS datastore to the ESX host Setting up an ESX host to use a VNXe VMFS datastore when host configuration fails 1. Log in to - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 35
CHAPTER 4 Migrating VMware Virtual Machines to the VNXe System To migrate a VMware virtual machine to the VNXe system, relocate the VMware datastore with the configuration and disk files for the virtual machine from its current storage location to a VNXe VMware datastore. You can migrate the virtual - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 36
migration and a vMotion migration. The VMware administrator's guide for your version of ESX Server provides more information about • Access to both the source and target datastores. • Sufficient resources to support two instances of the virtual machine running concurrently for a brief time. None - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 37
a virtual machine with suspended migration Use the Migrate Virtual Machine wizard to migrate the datastore, as described in the VMware administrator's guide for your version of ESX Server. After you click Finish in the wizard, the migration operation begins. During the migration operation, you - Dell VNXe2 | Configuring Hosts to Access VMware NFS or VMware VMFS Datastores - Page 38
- Obtain IP settings automatically - Use the following IP settings, enter the IP settings, click Edit to set the VMKernel default gateway for VMkernel services, such a vMotion, and then click OK and Next. j. Proceed through the remaining pages until you reach the summary page. k. On the summary page
EMC
®
VNXe
®
Series
Configuring Hosts to Access VMware NFS or
VMware VMFS Datastores
Version 3.1
P/N 302-000-193 REV 03