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Dell EMC VMAX 100K V8.1.10.26 Storage Quick Start Guide PDF

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Summary of Content for Dell EMC VMAX 100K V8.1.10.26 Storage Quick Start Guide PDF

EMC VMAX

eNAS Quick Start Guide Version 8.1.10.26

For: VMAX3 Family: VMAX 100K, 200K, 400K VMAX All Flash: 450F, 450FX, 850F, 850FX REVISION 01

Copyright 2015-2016 EMC Corporation. All rights reserved. Published in the USA.

Published May, 2016

EMC believes the information in this publication is accurate as of its publication date. The information is subject to change without notice.

The information in this publication is provided as is. EMC Corporation makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any EMC software described in this publication requires an applicable software license.

EMC, EMC, and the EMC logo are registered trademarks or trademarks of EMC Corporation in the United States and other countries. All other trademarks used herein are the property of their respective owners.

For the most up-to-date regulatory document for your product line, go to EMC Online Support (https://support.emc.com).

EMC Corporation Hopkinton, Massachusetts 01748-9103 1-508-435-1000 In North America 1-866-464-7381 www.EMC.com

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PREFACE 9

Getting started 13

Prerequisites.................................................................................................14 Components used in a system with eNAS ..................................................... 15 Configuration information............................................................................. 16

Begin Setup worksheet.................................................................... 16 Set Up Data Mover Network Services worksheets............................. 16 Create File System worksheet...........................................................19 Create a CIFS Share worksheet......................................................... 20 Create DM Network Interface worksheet........................................... 21 Create VDM Network Interface worksheet......................................... 22

eNAS configuration 23

Logging into EMC Unisphere (for VNX)........................................................... 24 Enabling Link and Launch............................................................................. 25 Enabling alerts.............................................................................................. 26 Setting up the storage environment...............................................................27 Setting up the control station........................................................................ 28

eNAS management 29

Unisphere for VMAX...................................................................................... 30 File Storage dashboard.................................................................... 30 Provision Storage for File wizard.......................................................31

Unisphere (for VNX).......................................................................................32 eNAS File Auto Recovery................................................................................ 33

Figures

Tables

Chapter 1

Chapter 2

Chapter 3

CONTENTS

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CONTENTS

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Unisphere for VMAX File Storage dashboard.................................................................. 30 Unisphere (for VNX) Dashboard..................................................................................... 32

1 2

FIGURES

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FIGURES

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Typographical conventions used in this content.............................................................101

TABLES

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TABLES

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PREFACE

As part of an effort to improve its product lines, EMC periodically releases revisions of its software and hardware. Therefore, some functions described in this document might not be supported by all versions of the software or hardware currently in use. The product release notes provide the most up-to-date information on product features.

Contact your EMC technical support professional if a product does not function properly or does not function as described in this document.

Note

This document was accurate at publication time. New versions of this document might be released on EMC Online Support (https://support.emc.com). Check to ensure that you are using the latest version of this document.

Purpose This document explains how to configure and manage Embedded NAS on a VMAX array.

Audience This document is intended for the storage administrators who need to configure and manage eNAS.

Related documentation The following EMC publications provide additional information:

l EMC VMAX eNAS File Auto Recovery with SRDF/S This document describes how to install and use File Auto Recovery to failover/move eNAS Virtual Data Movers from source eNAS systems to destination eNAS systems using SRDF/S.

l EMC VMAX Embedded NAS Release Notes This document describe the new features and identifies any known functionality restrictions and performance issues that may exist with the current version and your specific storage environment.

l EMC Unisphere for VMAX Installation Guide This document describes how to install EMC Unisphere for VMAX.

l EMC Unisphere for VMAX Release Notes This document describe the new features and identifies any known functionality restrictions and performance issues that may exist with the current version and your specific storage environment.

Special notice conventions used in this document EMC uses the following conventions for special notices:

DANGER

Indicates a hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

PREFACE 9

CAUTION

Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

NOTICE

Addresses practices not related to personal injury.

Note

Presents information that is important, but not hazard-related.

Typographical conventions EMC uses the following type style conventions in this document:

Table 1 Typographical conventions used in this content

Bold Used for names of interface elements, such as names of windows, dialog boxes, buttons, fields, tab names, key names, and menu paths (what the user specifically selects or clicks)

Italic Used for full titles of publications referenced in text

Monospace Used for:

l System code

l System output, such as an error message or script

l Pathnames, filenames, prompts, and syntax

l Commands and options

Monospace italic Used for variables

Monospace bold Used for user input

[ ] Square brackets enclose optional values

| Vertical bar indicates alternate selections - the bar means or

{ } Braces enclose content that the user must specify, such as x or y or z

... Ellipses indicate nonessential information omitted from the example

Where to get help EMC support, product, and licensing information can be obtained as follows:

Product information

EMC technical support, documentation, release notes, software updates, or information about EMC products can be obtained on the https://support.emc.com site (registration required).

Technical support

EMC offers a variety of support options.

l Support by Product EMC offers consolidated, product-specific information on the Web at: https://support.EMC.com/products The Support by Product web pages offer quick links to Documentation, White Papers, Advisories (such as frequently used Knowledgebase articles), and Downloads, as well as more dynamic content, such as presentations,

PREFACE

10 eNAS Quick Start Guide 8.1.10.26 For: VMAX3 Family: VMAX 100K, 200K, 400K VMAX All Flash: 450F, 450FX, 850F, 850FX

discussion, relevant Customer Support Forum entries, and a link to EMC Live Chat.

l EMC Live Chat Open a Chat or instant message session with an EMC Support Engineer.

Your comments Your suggestions help us improve the accuracy, organization, and overall quality of the documentation. Send your comments and feedback to: VMAXContentFeedback@emc.com

PREFACE

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PREFACE

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CHAPTER 1

Getting started

This chapter provides information that you should know prior to configuring Embedded NAS (eNAS) on a storage array.

NOTICE

Read this document in its entirety before attempting to set up eNAS. If you need assistance with setting up eNAS, contact your Sales representative to purchase the Service Offering provided by Professional Services (PS-BAS-SYMNAS). Note that a failed attempt to configure eNAS will require custom assistance by Professional Services.

Topics include:

l Prerequisites.........................................................................................................14 l Components used in a system with eNAS ............................................................. 15 l Configuration information..................................................................................... 16

Getting started 13

Prerequisites Before starting the configuration process, do the following:

l Obtain the WWN of the lowest numbered Front End Adapter (FA) in the configuration from the EMC customer support engineer. This WWN has, by default, the ACLX device and needs to be part of the Fibre Channel (FC) zone along with the control host in order to discover the storage devices.

l Install Solutions Enabler and Unisphere for VMAX. The software and documentation for these applications is available on EMC Online Support (https:// support.emc.com).

l Verify that your EMC support representative has configured the VMAX system to call home with EMS Secure Remote Services (ESRS).

l Gather and record configuration information using the Setup worksheets, as described in Configuration information on page 16.

Getting started

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Components used in a system with eNAS The following introduces terminology referenced throughout this document:

l Management Module Control Station (MMCS): Used by EMC Customer Support to configure eNAS, if necessary.

l Network Address Translation (NAT) Gateway: Used to configure the external IP address of the Control Station.

l Control Station (CS): Provides management functions to the file-side components referred to as Data Movers.

l Data Mover (DM): Clients communicate with a Data Mover using either/both NFS and CIFS/SMB protocols. Clients are physically connected to the Data Mover through I/O modules on the storage array that are assigned to the Data Mover. The Data Mover accesses the client data by way of an internal interface to the storage array on which the Data Mover resides.

Getting started

Components used in a system with eNAS 15

Configuration information Before starting the configuration process, it is recommended that you complete the following worksheets. Because you will use this information later when you run the Setup Wizard for File, the worksheets are organized by wizard page:

l Begin Setup worksheet on page 16

l Set Up DM Network Services on page 16

l Create DM Network Interface on page 21

l Create a File System on page 19

l Create a CIFS Share on page 20

l Create DM Network Interface worksheet on page 21

l Create VDM Network Interface worksheet on page 22

Begin Setup worksheet The information collected below will be used to configure the Control Station.

Control Station Host name Pre-allocated during eNAS installation. This value should not change.

IP Address of DNS Servers Pre-allocated during eNAS installation. This value should not change.

Network Time Protocol (NTP) Servers

____________________________________

____________________________________

____________________________________

____________________________________

Control Station Time Zone ____________________________________

Optional Software License Purchased

Check those applicable

NFS Protocol

CIFS Protocol

SnapSure

ReplicatorV2

File-level Retention

Set Up Data Mover Network Services worksheets

The information collected below will be used to configure networking for DMs. Collect information for each DM in the system, except for the standby DM since it inherits network services from the primary DM when a failover is done.

Getting started

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Data Mover (server_2) network services

DNS Domain Name 1 _____________________________________

DNS Servers for that domain

_____________________________________

_____________________________________

_____________________________________

DNS Domain Name 2 _____________________________________

DNS Servers for that domain _____________________________________

_____________________________________

_____________________________________

DNS Domain Name 3 _____________________________________

DNS Servers for that domain _____________________________________

_____________________________________

_____________________________________

Protocol (checkbox) <___ > UDP <___ > TCP

NIS Domain Name _____________________________________

NIS Servers _____________________________________

_____________________________________

_____________________________________

Getting started

Set Up Data Mover Network Services worksheets 17

Data Mover (server_3) network services

DNS Domain Name 1 _____________________________________

DNS Servers for that domain

_____________________________________

_____________________________________

_____________________________________

DNS Domain Name 2 _____________________________________

DNS Servers for that domain _____________________________________

_____________________________________

_____________________________________

DNS Domain Name 3 _____________________________________

DNS Servers for that domain _____________________________________

_____________________________________

_____________________________________

Protocol (checkbox) <___ > UDP <___ > TCP

NIS Domain Name _____________________________________

NIS Servers _____________________________________

_____________________________________

_____________________________________

Getting started

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Software Data Mover (server_4) network services

DNS Domain Name 1 _____________________________________

DNS Servers for that domain

_____________________________________

_____________________________________

_____________________________________

DNS Domain Name 2 _____________________________________

DNS Servers for that domain _____________________________________

_____________________________________

_____________________________________

DNS Domain Name 3 _____________________________________

DNS Servers for that domain _____________________________________

_____________________________________

_____________________________________

Protocol (checkbox) <___ > UDP <___ > TCP

NIS Domain Name _____________________________________

NIS Servers _____________________________________

_____________________________________

_____________________________________

Create File System worksheet

The information collected below will be used to create a file system.

Read/Write Data Mover <___ > server_2 <___ > server_3 <___ > server_4

Volume Management <___ > Manual Volume Management <___ > Storage Pool

Storage Pool _____________________________________

Volume Type for Manual Volume Management <___ > Meta <___ > Stripe <___ > Slice

Disk Volumes for Manual Volume Management _____________________________________

File System Name _____________________________________

File System Size (megabytes) _____________________________________

Slice Volumes? <___ > Yes <___ > No

Deduplication Enabled? <___ > Yes <___ > No

File-level Retention? <___ > Off <___ > Enterprise <___ > Compliance

Auto Extend Enabled <___ >

Virtual Provisioning Enabled <___ >

Getting started

Create File System worksheet 19

High Water Mark (ranges from 50-99; defaults to 90) _____________________________________

Maximum Capacity (MB) _____________________________________

Hard limit for user storage (megabytes) _____________________________________

Soft limit for user storage (megabytes) _____________________________________

Hard limit for user files (number of files) _____________________________________

Soft limit for user files (number of files) _____________________________________

Group Storage Hard limit (megabytes) _____________________________________

Group Storage Soft limit (megabytes) _____________________________________

Group Files for Hard limit for user files (megabytes) _____________________________________

Group Files for Soft limit for user files (megabytes) _____________________________________

Enforce Hard Limits? <___ > Yes <___ > No

Grace Period for Storage (number of days) _____________________________________

Grace Period for Files (number of days) _____________________________________

Log Type <___ > Common <___ > FS (Default)

Create a CIFS Share worksheet

The information collected below will be used to create a CIFS Share. Make a copy of the worksheet for each CIFS share you create.

Note

Using VDM-based CIFS shares and servers will enable future expansion using SRDF/S.

Data Mover <___ > server _2

<___ > server _3

<___ > server _4

Interfaces Used by CIFS server

_____________________________________

_____________________________________

CIFS Server Type Windows NT4 <___ >

Windows 2000/2003/2008 <___ >

Standalone <___ >

l Windows Domain _____________________________________

l Computer Name (Windows) _____________________________________

l NetBIOS Name (Optional) _____________________________________

l Aliases (Optional)

Getting started

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_____________________________________

l Local Users (Optional) _____________________________________

l Administrator password (obtain from customer) _____________________________________

l Join the Domain?

l _____________________________________

Domain Admin Username (Windows) _____________________________________

l Domain Admin Password (Windows) _____________________________________

l Organizational Unit (Windows) _____________________________________

l NetBIOS Name (Required for Window NT4, optional for Windows) _____________________________________

CIFS Server Names (aliases)

_____________________________________

_____________________________________

CIFS Server Name _____________________________________

CIFS Share Name _____________________________________

Share path name _____________________________________

Comment (Optional description)

_____________________________________

User Limit (Optional) _____________________________________

Create DM Network Interface worksheet The information collected below will be used to configure individual network interfaces for the Data Movers. It can also be used to create virtual network devices: Link aggregation (LACP), and Ethernet Channel.

Note

If your network uses variable-length subnets, ensure that you are using the correct subnet mask. Your network should not use the 172.16.172.17 and 172.18 subnets as they are used for internal networking by the array.

Data Mover Number

Device name or virtual device name

IP address Netmask Maximum Transmission Unit (MTU) (optional)

Virtual LAN (VLAN) identifier (optional)

Devices (otpional)

Getting started

Create DM Network Interface worksheet 21

Create VDM Network Interface worksheet

The information collected below will be used to configure individual network interfaces for the Virtual Data Movers. It can also be used to create virtual network devices: Link aggregation (LACP), Fail Safe Network (FSN), and Ethernet Channel.

Virtual Data Mover Number

Device name or virtual device name

IP address Netmask Maximum Transmission Unit (MTU) (optional)

Virtual LAN (VLAN) identifier (optional)

Devices (optional)

Getting started

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CHAPTER 2

eNAS configuration

This chapter explains how to configure eNAS online operations.

Topics include:

l Logging into EMC Unisphere (for VNX)................................................................... 24 l Enabling Link and Launch......................................................................................25 l Enabling alerts...................................................................................................... 26 l Setting up the storage environment.......................................................................27 l Setting up the control station................................................................................ 28

eNAS configuration 23

Logging into EMC Unisphere (for VNX) Procedure

1. Use the following URL to open EMC Unisphere (for VNX) https://

where is the hostname or IP address of the Control Station.

2. If a security alert appears about the arrays security certificate, click Yes to continue.

If EMC Unisphere (for VNX) is unable to validate the certificate, the software displays a certificate warning for that array. You can choose to accept the certificate for this session only or always, or you can reject the certificate. If you reject the certificate, you will not be able to log in to the array and the session ends. You will not be able to manage the array. Browser certificate acceptance dialog boxes vary from browser to browser. Later in the installation, an SSL certificate is created for the Control Station. This dialog box will not occur again.

3. At the login dialog box, type your username and password.

The default username and password is nasadmin. For security purposes, use unique credentials. You can change the password in EMC Unisphere (for VNX) (Settings > Security > User Management).

4. In the login dialog box, select Scope to specify the scope of the arrays to be managed

l Global (default) indicates that all arrays in the storage domain and any remote domains can be managed. Global scope also indicates that the specified username is interpreted as a global user and is checked against the storage domain global user database

l Local indicates that only the targeted array can be managed.

l Local scope also indicates that the specified username is interpreted as a local user and is checked against the targeted arrays local user database

5. Click Login.

When your user credentials are successfully authenticated, you can use EMC Unisphere (for VNX) to manage eNAS. EMC Unisphere (for VNX) uses these same credentials to log into each array in the domain.

If these credentials cannot be authenticated for a particular array, EMC Unisphere (for VNX) adds the array to the system list as not logged in. You can then log in by selecting the array and clicking Login on All Systems > System List or All Systems > Domains or selecting Login from the right-click menu in the Select System dialog box.

eNAS configuration

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Enabling Link and Launch Link and Launch is a feature that establishes session-based credentials that enable you to link to and launch Unisphere for VMAX windows from within EMC Unisphere (for VNX).

Procedure

1. Ensure that the Unisphere for VMAX host is configured and accessible through Solution Enabler. The /nas/symcli/bin/symcfg list -applications command lists the Unisphere for VMAX host (if configured and accessible).

2. Point the browser to the Unisphere for VMAX host and log in as administrative user.

3. Hover the cursor over Home and select Administration > Link and Launch to open the Link and Launch client list view.

4. Click Create to open the Register Launch Client dialog box.

5. Type a unique Client ID. Client IDs can be up to 75 alphanumeric characters.

6. Type a Password to associate with the client ID. Passwords can be up to 75 alphanumeric characters.

7. Retype the password to confirm it, and click OK.

8. Point the browser to the EMC Unisphere (for VNX) host (CS 0 IP address) and log in as root with Scope set to Local.

9. Navigate to Storage, and in the Configure Unisphere for VMAX task list, click Register Unisphere for VMAX.

10. In Configure Unisphere VMAX Credentials specify the following information:

a. ID - Select the system ID.

b. Unisphere for VMAX - Select the IP address of the Unisphere for VMAX host.

c. Username - Type the name of the administrative account on the Unisphere for VMAX host (for example, C:\MyHost\SMC)

d. Client ID - Type the ID that was previously created on the Unisphere for VMAX host.

e. Client Password - Type the password that was previously created on the Unisphere for VMAX host.

When you have registered the EMC Unisphere (for VNX) session on the Unisphere for VMAX, you can click the Properties, Dashboard, Alerts, Performance, or Provision Storage buttons to access the corresponding Unisphere for VMAX windows.

Note

Log out of Unisphere for VMAX windows by using the logout button; otherwise, you must wait a minute between launches from EMC Unisphere (for VNX) and Unisphere for VMAX windows.

eNAS configuration

Enabling Link and Launch 25

Enabling alerts To view file storage alerts in the Unisphere for VMAX File Dashboard, you must first enable them:

Procedure

1. Open Unisphere for VMAX.

2. From the system selector, select All Symmetrix, and then select Home > Administration > Alert Polices.

The Alert Polices list view displays.

3. Select one or more policies and click Enable. File-related policies display File as the type.

eNAS configuration

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Setting up the storage environment Before the eNAS-enabled arrays can be used by client systems to store data, you must first create file systems, shares, and exports. Depending on the environment, you also may have to create users and groups. The Setup Wizard for File in EMC Unisphere (for VNX) will guide you through the process.

Before you begin

To facilitate the process, it is recommended that you complete the Setup worksheets on page 16 before launching the wizard.

To setup the storage environment:

Procedure

1. Log into Unisphere (for VNX).

2. On the Systems view, under Wizards, click Setup Wizard for File.

The Setup Wizard for File displays. It contains the following pages:

l Begin Setup configures the Control Station, with the Control Station host name, Control Station DNS settings, Control Station NTP and time zone, system licenses. You must be logged in as the root user to complete this step. The information for the Control Station host name and DNS Servers were pre-allocated during eNAS installation. These should not change.

l Set Up Data Mover (Skip this page; a default primary and secondary default configuration is provided by eNAS).

l Set Up DM Networks Services involves configuring the Domain Name System (DNS) settings and Network Information Service (NIS) settings for the Data Movers. You must set up the network services for each Data Mover in the system, except for the standby Data Mover since it inherits network services from the primary DM when a failover is done.

l Set Up DM Network Interface requires the IP address, Maximum Transmission Unit (MTU) value, and Virtual LAN Identifier (VLAN ID) for the network interface. The device list is automatically populated with all the physical interfaces available to the Data Mover. Repeat this step as necessary to create multiple interfaces.

l Create a File System involves entering the file system name and the file system size. The storage pool used to allocate storage for the file system are the pools which have been created in Unisphere for VMAX and assigned to eNAS. Only the storage pools with available space appear in the table. Repeat this step as necessary to create multiple file systems.

l Create a CIFS Share involves entering the share name and share properties.

l Overview/Results allows you to review the proposed changes and submit them to the system.

Note

For more information on using the wizard, refer to its online help.

eNAS configuration

Setting up the storage environment 27

Setting up the control station To setup the control station:

Procedure

1. Log into the control station with the following credentials:

l Username: nasadmin

l Password: nasadmin

Note

EMC recommends that you change these credentials once you have finished setting up the control station. You can change the credentials in Unisphere (for VNX) (Settings > Security > User Management).

The Begin Setup wizard displays. The Control Station Hostname should be pre- populated with the hostname that was provided during eNAS installation

2. Complete the wizard steps. For field descriptions, refer to the wizard online help.

eNAS configuration

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CHAPTER 3

eNAS management

This chapter introduces the software components used to manage and replicate an eNAS environment.

Topics include:

l Unisphere for VMAX.............................................................................................. 30 l Unisphere (for VNX)...............................................................................................32 l eNAS File Auto Recovery........................................................................................ 33

eNAS management 29

Unisphere for VMAX Unisphere for VMAX is a web-based application for configuring and managing VMAX storage systems. Unisphere for VMAX V8.0.1 and higher includes the following features to support integrated file services (eNAS):

l File Dashboard Provides a central location from which to monitor and manage eNAS storage.

l Provision Storage for File Wizard Allows Storage Administrators to provision VMAX storage to eNAS data movers.

File Storage dashboard

The File Storage dashboard provides a central place from which to monitor and manage eNAS. It provides access to the following file-related tasks:

l View Capacity details

l View and manage block and file assets

l Display the mapping of file systems to storage groups

l Provision storage for file systems

l View Data Mover health status

l View File Storage alerts

l Link and Launch to EMC Unisphere for VNX

Figure 1 Unisphere for VMAX File Storage dashboard

The information and features of the File Storage dashboard are organized into the following panels:

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l Summary Displays the file systems associated with the file storage groups, the file storage groups associated with the file systems, and the masking views associated with the file storage groups.

l Capacity Displays information on the free versus total capacity of the file storage groups, and the free versus total capacity for the file systems associated with the file storage groups.

l Most Consumed Capacity Displays the file storage pools with the most consumed capacity.

l Common Tasks Links to common file-related storage tasks.

l Control Stations Displays the name and status of the control stations.

l Data Movers Displays the name and status of the control station's data movers.

l File Storage Alerts Details all alerts associated with the eNAS instance (file systems, storage groups, masking views).

Note

For more information on the File Storage dashboard, refer to its online help.

Provision Storage for File wizard

The Provision Storage for File wizard in Unisphere for VMAX guides you through the process of provisioning VMAX storage to eNAS datamovers. This process involves setting FAST, Service Level Objectives, and Dynamic Host I/O Limits on the storage groups. Volumes added to file-based storage groups will be discovered during normal storage discovery (Diskmark) and mapped to their corresponding storage pools on the VNX:

l FAST managed devices to system mapped pools

l Non-FAST managed devices to the system defined pool called symm_dsl

Diskmark also updates the properties for pools and file systems with changes that occur after the storage group is created. For example, when a Service Level Objective changes.

To access the wizard:

1. Select the storage system from the system selector.

2. Select System > System Dashboard to open the System dashboard.

3. In the Summary panel, click File Dashboard to open the File Dashboard.

4. If prompted, type the username and password you use to access the eNAS control station, and click OK.

5. In the Common Tasks panel, click Provision Storage for File to open the Provision Storage for File wizard.

Note

For more information on the Provision Storage for File wizard, refer to its online help.

eNAS management

Provision Storage for File wizard 31

Unisphere (for VNX) Unisphere (for VNX) is the primary interface for managing eNAS. It provides access to all NAS active management tasks, such as share management, replication, and quotas.

Unisphere (for VNX) and Unisphere for VMAX are linked using a context-sensitive link and launch feature, described in Enabling Link and Launch on page 25.

This is the same interface used for VNX OE File V8.1. For more information, refer to the VNX OE for File 8.1 documentation available on EMC Online Support (https:// support.emc.com).

Figure 2 Unisphere (for VNX) Dashboard

Note

For more information on Unisphere (for VNX), refer to its online help.

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32 eNAS Quick Start Guide 8.1.10.26 For: VMAX3 Family: VMAX 100K, 200K, 400K VMAX All Flash: 450F, 450FX, 850F, 850FX

eNAS File Auto Recovery Introduced in the HYPERMAX OS 5977.691.684, File Auto Recovery (FAR) allows you to manually failover or move a virtual Data Mover (VDM) from a source eNAS system to a destination eNAS system. The failover or move leverages block-level Symmetrix Remote Data Facility (SRDF) synchronous replication, so it invokes zero data loss in the event of an unplanned operation. This feature consolidates VDMs, file systems, file system checkpoint schedules, CIFS servers, networking, and VDM configurations into their own separate pools. This feature works for a recovery where the source is unavailable. For recovery support in the event of an unplanned failover, an option is provided to recover and clean up the source system and make it ready as a future destination.

The manually initiated failover and reverse operations can be performed using EMC File Auto Recovery Manager (FARM). FARM allows you to automatically failover a selected sync-replicated VDM on a source eNAS system to a destination eNAS system. FARM also allows you to monitor sync-replicated VDMs and to trigger automatic failover based on Data Mover, File System, Control Station, or IP network unavailability that would cause the NAS client to lose access to data.

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