Dell EMC Data Domain Operating System

1 Dell EMC Data Domain Operating SystemVersion Guide302-003-761 REV. 05 Copyright 2010-2019 Dell Inc. or its subsidiaries All rights February 2019 Dell 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 , EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be the property of their respective in the EMCH opkinton, Massachusetts 01748-91031-508-435-1000 In North America Domain Operating System Administration GuidePreface15 Data Domain System Features and Integration19 Revision 20 Data Domain System 21 Data Domain System 22 Data 23 Restore 23 Data Domain 23 Multipath and load 23 High 24 Random I/O administrator 26 Licensed 26 Storage environment 28 Getting Started31DD System Manager in and out of DD System in using a 33 The DD System Manager 34 Page 34 Navigation 35 Information 36 End User License the System with the configuration 39 System 43DD Boost 45 CIFS 46 NFS 47DD VTL 47 Data Domain Command Line into the 49 CLI online help 50 Managing Data Domain Systems53 System management 54HA System management 54HA System planned 55 Rebooting a 55 Powering a System on or off.

2 55 Chapter 1 Chapter 2 Chapter 3 CONTENTSData Domain Operating System Administration Guide3 Power a System 56 System upgrade 57 Viewing upgrade packages on the 58 Obtaining and verifying upgrade 58 Upgrade considerations for HA 59 Upgrading a Data Domain 59 Removing an upgrade 61 Managing electronic 61HA System license 61 System storage System storage 62 Physically locating an 66 Physically locating a 67 Configuring 67DD3300 capacity 68 Fail and unfail 69 Network connection 69HA System network connection 69 Network interface 70 General network settings 85 Network route 88 System passphrase 91 Setting the System 92 Changing the System 92 System access 93 Role-based access 93 Access management for IP 95 Local user account 102 Directory user and group 109 Change System authentication 116 Configuring mail server time and date 117 Managing System 118 SNMP SNMP status and 119 Enabling and disabling the SNMP SNMP

3 121 SNMP V3 user 122 SNMP V2C community 123 SNMP trap host 126 Autosupport report 127HA System autosupport and support bundle 128 Enabling and disabling autosupport reporting to Data 128 Reviewing generated autosupport the autosupport mailing 129 Support bundle 130 Generating a support 130 Viewing the support bundles 130 Coredump notification 131HA System alert notification 132 Viewing the notification group 132 Creating a notification 134 Managing the subscriber list for a 134 Modifying a notification Domain Operating System Administration GuideDeleting a notification 136 Resetting the notification group 136 Configuring the daily summary schedule and distribution and disabling alert notification to Data 138 Testing the alerts email 138 Support delivery standard email delivery to Data 139 Selecting and configuring Secure Remote Services 139 Testing ConnectEMC 140 Log file 140 Viewing log files in DD System 141 Displaying a log file in the 142 Learning more about log a copy of log 143 Log message transmission to remote System power management with 145 IPMI and SOL 146 Adding and deleting IPMI users with DD System 146 Changing an IPMI user an IPMI 147 Preparing for remote power management and console monitoringwith the power with DD System power with the 151 Monitoring Data Domain Systems153 Viewing individual System status and identity 154 Dashboard Alerts 154 Dashboard File System 155 Dashboard Services 155 Dashboard HA Readiness Hardware 156 Maintenance System 156 Health Alerts 157 Viewing and clearing current 157 Current Alerts 158 Viewing the alerts History 159 Viewing hardware component 159 Fan 160 Temperature panel 161 SSD status (DD6300 only).

4 161 Power supply 162 PCI slot 162 Viewing System 163 Performance statistics active report 164 Types of the Task 169 Viewing the System High Availability Availability 170 Chapter 4 CONTENTSData Domain Operating System Administration Guide5 File System173 File System 174 How the file System stores 174 How the file System reports space 174 How the file System uses compression .. 174 How the file System implements data 176 How the file System reclaims storage space with file 176 Supported interfaces .. 177 Supported backup streams sent to a Data Domain System ..177 File System 180 Monitoring file System 181 Accessing the file System file System 189 Performing basic 191 Performing 192 Modifying basic copy a fast copy 196 MTrees199 MTrees 200 MTree 201 About the MTree the summary 202 About the space usage view (MTrees).. 206 About the daily written view (MTrees).. 206 Monitoring MTree physical capacity 207 Managing MTree 210 Creating an 210 Configure and enable/disable MTree 212 Deleting an 213 Undeleting an 213 Renaming an 213 Snapshots215 Snapshots 216 Monitoring snapshots and their the snapshots 218 Creating a 218 Modifying a snapshot expiration 219 Renaming a 219 Expiring a 219 Managing snapshot 220 Creating a snapshot 220 Modifying a snapshot 221 Deleting a snapshot data from a 222 Chapter 5 Chapter 6 Chapter 7 CONTENTS6 Data Domain Operating System Administration GuideCIFS223 CIFS 224 Configuring SMB 224 Performing CIFS 225HA systems and 225 Preparing clients for access to Data Domain CIFS 225 Naming the CIFS authentication 226 Disabling CIFS 227 Working with 227 Creating shares on the Data Domain a share on a Data Domain a share from an existing 229 Disabling a share on a Data Domain 230 Enabling a share on a Data Domain 230 Deleting a share on a Data Domain

5 230 Performing MMC 230 Connecting to a Data Domain System from a CIFS 230 Displaying CIFS information .. 232 Managing access 232 Accessing shares from a Windows 233 Providing Domain users administrative 233 Allowing administrative access to a Data Domain System for 233 Restricting administrative access from 234 Monitoring CIFS CIFS 237 Display CIFS CIFS 240 Performing CIFS 240 Displaying clients current 240 Setting the maximum open files on a Domain System 241 Synchronizing from a Windows Domain 242 Synchronize from an NTP 242 NFS243 NFS 244HA systems and 245 Managing NFS client access to the Data Domain 245 Enabling NFS 245 Disabling NFS 245 Creating an 245 Modifying an 247 Creating an export from an existing an 248 Displaying NFS 249 Viewing NFS 249 Viewing NFS 249 Viewing active NFS 249 Integrating a DDR into a Kerberos 250 Add and delete KDC servers after initial 251 Chapter 8 Chapter 9 CONTENTSData Domain Operating System Administration Guide7 NFSv4255 Introduction to 256 NFSv4 compared to NFSv3 on Data Domain

6 256 NFSv4 257ID Mapping 257 External 257 Standard identifier extended 258 Alternative Identifier 258 When ID mapping 259 Input and CIFS/SMB Active Directory 261 Default DACL for 261 System Default 261 Common identifiers in NFSv4 ACLs and 261 NFS 261 Referral 262 Referral location 262 Referrals and Scaleout 262 NFSv4 and High 263 NFSv4 Global global namespaces and NFSv3 263 NFSv4 264 Enabling the NFSv4 the default server to include 265 Updating existing 265 Kerberos and 265 Configuring Kerberos with a Linux-Based 266 Configuring the Data Domain System to Use 267 Configuring 267 Enabling Active 268 Configuring Active 269 Configuring clients on Active 269 LDAP and 270 Configure LDAP 270 Configure the LDAP base LDAP client 272 Enable secure LDAP server certificate verification with imported 273 Manage CA certificates for 274 Storage Migration275 Storage migration 276 Migration planning 276DS60 shelf 278 Viewing migration migration 279 Migrating storage using DD System 279 Chapter 10 Chapter 11 CONTENTS8 Data Domain Operating System Administration GuideStorage migration dialog a Task 280 Select Existing Enclosures New Enclosures Migration Plan 281 Verify Migration Preconditions progress storage using the storage migration 284 Metadata on Flash289 Overview of Metadata on Flash (MDoF).

7 290 MDoF licensing and 290 SSD cache 291 MDoF SSD cache tier - System management .. 291 Managing the SSD cache 292 SSD 295 SCSI Target297 SCSI Target Channel 299 Enabling 302 Resources Groups in FC link monitoring among DD OS 309 Working with DD Boost311 About Data Domain 312 Managing DD Boost with DD System DD Boost user DD Boost user 314 Removing a DD Boost user DD 314 Disabling DD 315 Viewing DD Boost storage 315 Creating a storage 316 Viewing storage unit 318 Modifying a storage 320 Renaming a storage 321 Deleting a storage 322 Undeleting a storage 322 Selecting DD Boost 322 Managing certificates for DD 324 Managing DD Boost client access and interface 329 Creating interface 330 Enabling and disabling interface an interface group's name and 331 Deleting an interface a client to an interface 332 Chapter 12 Chapter 13 Chapter 14 CONTENTSData Domain Operating System Administration Guide9 Modifying a client's name or interface 332 Deleting a client from the interface 333 Using interface

8 Groups for Managed File Replication (MFR).. 333 Destroying DD 335 Configuring DD Boost-over-Fibre 335 Enabling DD Boost DD 337 Verifying connectivity and creating access 338 Using DD Boost on HA 340 About the DD Boost 341IP 342 Fibre Virtual Tape Library345DD Virtual Tape Library 346 Planning a DD 346DD VTL 347 Number of drives supported by a DD tape drive up a DD 352HA systems and DD 352DD VTL tape out to 353 Managing a DD 353 Enabling DD DD 355DD VTL option DD VTL default 356 Working with 357 Creating 359 Searching for 359 Working with a selected 363 Exporting 364 Moving tapes between devices within a 365 Adding 366 Deleting 367 Adding changer 368 Working with 368 Creating 369 Deleting 370 Working with a selected 371 Working with 371 Changing a tape's write or retention lock with the with the cloud-based the VTL pool for data 374 Chapter 15 CONTENTS10 Data Domain Operating System Administration GuideRemove tapes from the

9 Backup application tape volumes for data 376 Restore data held in the 378 Manually recall a tape volume from cloud with access 380 Creating an access 380 Deleting an access 384 Working with a selected access 384 Selecting endpoints for a 385 Configuring the NDMP device TapeServer 385 Working with 386 Working with 387 Working with 388 Working with a selected 389 Working with 392 Deleting 393 Working with a selected 393 Converting a directory pool to an MTree pool ..395 Moving tapes between 396 Copying tapes between 397 Renaming 398DD Replicator399DD Replicator 400 Prerequisites for replication 401 Replication version 403 Replication 407 Managed file replication ..408 Directory 408 MTree 409 Collection replication .. 411 Using DD Encryption with DD 413 One-to-one 414Bi-directional 415 One-to-many 415 Many-to-one 417 Managing 418 Replication 418DD Boost 428 Topology 430 Performance Settings 430 Monitoring replication.

10 433 Checking replication pair 433 Viewing estimated completion time for backup 434 Checking replication context 434 Tracking status of a replication with 434 Replicating a System with quotas to one Scaling Context ..435 Directory-to-MTree replication 16 CONTENTSData Domain Operating System Administration Guide11 Performing migration from directory replication to directory-to-MTree migration 437 Checking the status of directory-to-MTree replication D2M replication .. 438 Troubleshooting 439 Additional D2M 440 Using collection replication for disaster recovery with 440DD Secure Multitenancy443 Data Domain Secure Multi-tenancy 444 SMT architecture 444 Terminology used in Secure Multi-Tenancy (SMT)..444 Control path and network 445 Understanding RBAC in a Tenant 447 Enabling Tenant Self-Service 451 Data access by 451 Multi-User DD Boost and Storage Units in 452 Configuring access for 452 Configuring NFS 452 Configuring access for DD DD VTL NDMP TapeServer.