Dell EMC Data Domain® Operating System Administration …

1 Dell EMC data Domain Operating SystemVersion Guide302-005-407 REV. 04 March 2020 Copyright 2010-2020 Dell Inc. or its subsidiaries All rights believes the information in this publication is accurate as of its publication date. The information is subject to change without INFORMATION IN THIS PUBLICATION IS PROVIDED AS-IS. DELL MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KINDWITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OFMERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. USE, COPYING, AND DISTRIBUTION OF ANY DELL SOFTWARE DESCRIBEDIN THIS PUBLICATION REQUIRES AN APPLICABLE SOFTWARE Technologies, Dell, EMC, Dell EMC and other trademarks are trademarks of Dell Inc.

2 Or its subsidiaries. Other trademarks may be the propertyof their respective owners. Published in the EMCH opkinton, Massachusetts 01748-91031-508-435-1000 In North America EMC data Domain Operating System Administration GuidePreface15 data Domain System Features and Integration19 Revision 20 data Domain System 20 data Domain System 21 data 22 Restore Domain and load I/O 24 System administrator 24 Licensed environment 26 Getting Started29 Dell EMC data Domain System Manager 30 Logging in and out of DD System 30 Logging in using a 32 Logging in using single sign-on (SSO).

3 32 The DD System Manager 33 Page 33 Navigation 34 Help 35 End User License 35 Configuring the System with the configuration 35 License 36 File 38 System Boost VTL 46 data Domain Command Line 48 Logging into the online help 49 Managing data Domain Systems51 System management 52HA System management 52HA System planned 52 Rebooting a 53 Chapter 1 Chapter 2 Chapter 3 CONTENTSDell EMC data Domain Operating System Administration Guide3 Powering a System on or off .. 53 Power a System upgrade 55 Pre-upgrade checklists and upgrade packages on the 60 Obtaining and verifying upgrade 60 Upgrading a data Domain 61 Removing an upgrade electronic 63HA System license storage System storage 64 Physically locating an 69 Physically locating a 69DD3300 capacity 70 Fail and unfail 71 Network connection System network connection 72 Network interface 72 General network settings 86 Network route 89 System passphrase 92 Setting the System 92 Changing the System 93 System access access 94 Access management for IP user account

4 101 Directory user and group 108 Diagnosing authentication 124 Change System authentication mail server 125 Managing time and date 126 Managing System 127 SNMP SNMP status and and disabling 129 Downloading the SNMP 129 Configuring SNMP V3 user V2C community trap host 134 Autosupport report System autosupport and support bundle 135 Enabling and disabling autosupport reporting to data 136 Reviewing generated autosupport 136 Configuring the autosupport mailing 136 Verifying the data Domain is able to send ASUP and alert emails toexternal 137 Support bundle 138 Generating a support the support bundles 139 Coredump 139 Alert notification 140HA System alert notification 140 Contents4 Dell EMC data Domain Operating System Administration GuideViewing the notification group 141 Creating a notification 142 Managing the subscriber list for a 143 Modifying a notification 143 Deleting a notification 144 Resetting the notification group the daily summary schedule and distribution 145 Enabling and disabling alert notification to data 146 Testing the alerts email 146 Support delivery 147 Selecting standard email delivery to data and

5 Configuring Secure Remote Services ConnectEMC file 149 Viewing log files in DD System 150 Displaying a log file in the 150 Learning more about log a copy of log 152 Log message transmission to remote 152 Remote System power management with and SOL 154 Adding and deleting IPMI users with DD System an IPMI user an IPMI 155 Preparing for remote power management and console monitoring withthe 157 Managing power with DD System 158 Managing power with the 158 Monitoring data Domain Systems161 Viewing individual System status and identity 162 Dashboard Alerts File System Services 163 Dashboard HA Readiness 164 Dashboard Hardware 164 Maintenance System 164 Health Alerts 165 Viewing and clearing current Alerts the alerts 166 Alerts History hardware component 167 Fan 168 Management panel status (DD6300 only).

6 169 Power supply 169 PCI slot 170 NVRAM 170 Viewing System 171 Performance statistics 171 Viewing active 172 History report 172 Types of 173 Chapter 4 ContentsDell EMC data Domain Operating System Administration Guide5 Viewing the Task the System High Availability 177 High Availability 178 File System181 File System 182 How the file System stores the file System reports space the file System uses compression .. 182 How the file System implements data 183 How the file System reclaims storage space with file System interfaces .. 185 Supported backup streams sent to a data Domain System .

7 185 File System file System 189 Accessing the file System 189 Managing file System 196 Performing basic 197 Performing basic 202 Fast copy a fast copy 204 MTrees207 MTrees 208 MTree 208 About the MTree 209 About the summary the space usage view (MTrees)..214 About the daily written view (MTrees).. 215 Monitoring MTree 215 Understanding physical capacity 216 Managing MTree 219 Creating an and enable/disable MTree 220 Deleting an 221 Undeleting an 221 Renaming an 224 Monitoring snapshots and their 224 About the snapshots 224 Managing 226 Creating a 226 Modifying a snapshot expiration a 227 Expiring a 227 Managing snapshot a snapshot 228 Chapter 5 Chapter 6 Chapter 7 Contents6 Dell EMC data Domain Operating System Administration GuideModifying a snapshot 229 Deleting a snapshot 229 Recover data from a 229 CIFS231 CIFS SMB CIFS systems and 233

8 Preparing clients for access to data Domain 233 Enabling CIFS 233 Naming the CIFS 234 Setting authentication 234 Disabling CIFS 235 Working with 235 Creating shares on the data Domain 235 Modifying a share on a data Domain 237 Creating a share from an existing 238 Disabling a share on a data Domain a share on a data Domain 238 Deleting a share on a data Domain 238 Performing MMC 239 Connecting to a data Domain System from a CIFS 239 Displaying CIFS information .. 241 Managing access 241 Accessing shares from a Windows 241 Providing domain users administrative 241 Allowing administrative access to a data Domain System for 242 Restricting administrative access from 242 File CIFS 245 Displaying CIFS 245 Display CIFS 246 Displaying CIFS 248 Performing CIFS clients current the maximum open files on a 249 data Domain System 250 Synchronizing from a Windows domain from an NTP 250 NFS251 NFS 252HA systems and 252 Managing NFS client access to the data Domain NFS NFS 253 Creating an 253 Modifying an 254 Creating an export

9 From an existing 255 Deleting an NFS NFS 8 Chapter 9 ContentsDell EMC data Domain Operating System Administration Guide7 Viewing NFS active NFS 257 Integrating a DDR into a Kerberos and delete KDC servers after initial 258 NFSv4261 Introduction to 262 NFSv4 compared to NFSv3 on data Domain 262 NFSv4 Mapping 263 External 263 Standard identifier 263 ACE extended 264 Internal Identifier ID mapping 264 Input 265 Output 265 Credential 265 NFSv4 and CIFS/SMB 266 CIFS/SMB Active Directory DACL for 266 System Default 266 Common identifiers in NFSv4 ACLs and 267 NFS 267 Referral 267 Referral location and Scaleout and High 268 NFSv4 Global 268 NFSv4 global namespaces and NFSv3 269 NFSv4 269 Enabling the NFSv4 270 Setting the default server to include existing and 271 Configuring Kerberos with a Linux-Based 271 Configuring the data Domain System to Use Kerberos Active 273 Configuring Active 274 Configuring clients on Active 274 Storage Migration275 Storage migration 276 Migration planning 276DS60 shelf 277 Viewing migration 278 Evaluating migration 278 Migrating storage using DD System 279 Storage migration

10 Dialog 279 Select a Task 280 Select Existing Enclosures 280 Chapter 10 Chapter 11 Contents8 Dell EMC data Domain Operating System Administration GuideSelect New Enclosures 280 Review Migration Plan 280 Verify Migration Preconditions 280 Migration progress storage using the 282 CLI storage migration 283 Metadata on Flash289 Overview of Metadata on Flash (MDoF) .. 290 MDoF licensing and 290 SSD cache SSD cache tier - System management .. 291 Managing the SSD cache Target297 SCSI Target 298 Fibre Channel 299 Disabling 301 Resources 302 Access Groups 308 Differences in FC link monitoring among DD OS 308 Working with DD Boost311 About data Domain DD Boost with DD System 312 Specifying DD