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Adding a Managed Volume
Selecting a VPU (optional)
9-46 CLI Storage-Management Guide
Splitting Namespace Processing within a VPU
Each VPU has two domains, one per namespace. If the metadata share fails badly for
one volume in a VPU domain, the other volumes in the same domain also fail. For
example, consider a system with 7 volumes in a single namespace, divided between 2
VPU domains. A severe metadata failure for volume 1 also affects volumes 3, 5, and
7:
This occurs naturally with default-VPU assignment, but it is undesirable in
installations with a large number of volumes in one or two namespaces.
single namespace
volume 3 volume 5volume 4
volume 6 volume 7volume 2volume 1
VPU 2VPU 1
D1 D2 D1 D2
- CLI Storage-Management Guide 1
- Contents 3
- Chapter 3 4
- Chapter 4 5
- Chapter 10 12
- Chapter 11 12
- Chapter 12 14
- Chapter 13 16
- Chapter 14 17
- Chapter 15 18
- Chapter 1 21
- Introduction 21
- Back-end Storage and Servers 22
- Front-end Services 22
- Audience for this Manual 23
- Using this Manual 23
- Document Conventions 24
- CLI Overview 25
- Exiting a Mode 26
- The no Convention 27
- Getting Started 28
- Sample Network 30
- Contacting Customer Service 31
- Chapter 2 33
- Product Overview 33
- NAS NAS NAS 35
- Configuration Instructions 37
- Migration for Capacity 39
- Controlling Costs 43
- Adding a Proxy User 46
- Specifying the Windows Domain 47
- Listing All Proxy Users 49
- Removing a Proxy User 49
- Identifying the Forest Root 54
- Removing a Name Server 57
- Adding a Child Domain 58
- MEDARCH.ORG 59
- NE.MEDARCH.ORG 59
- Removing a Child Domain 60
- Adding a Tree Domain 61
- Removing a Tree Domain 62
- For example: 64
- Showing DC Status 66
- Removing a User 73
- Removing a Permission 74
- Focusing on One Group 76
- Removing a NIS Server 81
- Updating the NIS Database 84
- Scheduling Regular Updates 86
- Listing All NFS Access Lists 88
- Showing One NFS Access List 89
- Setting the NIS Domain 91
- Adding a Permit Rule 92
- Permitting a Netgroup 93
- Rule Ordering 94
- Allowing Root Access 94
- Removing a Permit Rule 95
- Adding a Deny Rule 97
- Adding a Description 100
- Removing an Access List 101
- Adding an NFS Access List 102
- Chapter 5 103
- Examining Filers 103
- Examining CIFS Shares 106
- Using Proxy-User Credentials 108
- Focusing on One Share 111
- Showing Connectivity Only 112
- Showing Capabilities Only 113
- Showing Shares Only 114
- Showing CIFS Attributes 115
- Probing for CIFS Security 116
- Chapter 6 119
- Adding an External Filer 119
- Ignoring a Directory 121
- Re-Instating a Directory 122
- Removing the Description 123
- Listing External Filers 124
- Samples - Adding Two Filers 126
- Removing an External Filer 127
- Chapter 7 129
- Configuring a Namespace 129
- Concepts and Terminology 130
- Listing All Namespaces 131
- (NFSv3 137
- 138
- Disabling Kerberos 143
- Multi-Domain Support 145
- Adding a Volume 149
- Disabling the Namespace 152
- volume /acct 153
- Removing a Namespace 155
- Chapter 8 157
- Adding a Direct Volume 157
- Declaring the Volume “Direct” 158
- (optional) 159
- Setting CIFS Options 160
- Adding a Share 163
- Listing Filer Shares 164
- Disconnecting From the Filer 167
- Removing an Attach Point 170
- Enabling the Share 174
- Selecting a VPU (optional) 175
- Default-VPU Assignment 176
- Assigning the Volume to a VPU 178
- Showing One VPU 182
- Enabling the Volume 183
- Disabling All Shares 184
- Showing the Volume 185
- Showing One Share 188
- volume /vol 191
- Removing a Direct Volume 193
- Chapter 9 195
- Adding a Managed Volume 195
- for a CIFS-only volume), and 197
- Removing a Metadata Share 198
- Running a No-Modify Import 205
- Preventing Modifications 206
- Auto-Sync Jobs and Reports 207
- Allowing Renames on Collision 208
- Disallowing Renames 209
- Reinstating Oplock Support 213
- Filer fs4 214
- Required Windows Permissions 216
- Filer fs1 217
- Filer fs2 218
- Setting Share-Import Options 222
- (Multi-Protocol) 226
- Disabling SID Translation 229
- Acknowledging SID Errors 231
- Disabling the Share 238
- single namespace 240
- Monitoring the Import 249
- Import Errors 250
- Canceling a Share Import 251
- volume /rcrds 262
- enable 262
- Removing a Managed Volume 265
- Configuring a Global Server 267
- Adding a Global Server 268
- Adding a Virtual Server 270
- Adding a NetBIOS Alias 274
- Removing NetBIOS Aliases 274
- Enabling a Virtual Server 275
- Removing a Virtual Server 276
- Enabling the Global Server 277
- Showing All Global Servers 277
- Showing One Global-Server 279
- Removing a Global Server 280
- Before You Begin 284
- Configuring NFS 284
- Exporting a Namespace Volume 285
- Stopping an NFS Export 286
- Disabling NLM (optional) 287
- Enabling NFS Service 288
- Listing All NFS Services 289
- Showing One NFS Service 290
- Removing an NFS Service 292
- Showing the NFS/TCP Timeout 293
- Configuring CIFS 294
- volume /lab_equipment 296
- Exposing Hidden Subshares 299
- Exposing All Hidden Subshares 302
- Adding New Subshares 303
- Stopping a CIFS Share 303
- Enabling CIFS Service 308
- Using Dynamic DNS (Kerberos) 310
- Replacing Back-End Services 311
- • \\fs7.medarch.org\tests 312
- Removing a Host Name 313
- Showing Dynamic-DNS Status 313
- Listing CIFS Services 317
- Showing All CIFS Services 320
- “ac1.medarch.org:” 321
- Removing a CIFS Service 322
- Showing Server Maps 327
- With Filer IP Addresses 329
- Showing Server Status 332
- Policy for Balancing Capacity 335
- Showing All Policy Rules 336
- Showing Details 337
- Focusing on One Namespace 343
- Focusing on One Volume 345
- Adding a Share Farm 349
- Adding a Share to the Farm 350
- Auto Migrating Existing Files 352
- Based on Latency (Bandwidth) 354
- Constraining New Files 356
- Distributing New Files 357
- Constraining New Directories 357
- Enabling All Share-Farm Rules 359
- Removing a Share Farm 360
- Creating a Schedule 361
- Removing the Duration 362
- Starting Now 363
- Showing All Schedules 364
- Removing a Schedule 365
- Pausing All Rules in a Volume 366
- Pausing on a Schedule 368
- Draining One or More Shares 369
- Choosing the Target Storage 371
- Removing the Schedule 372
- Removing the Limit 374
- Generating a Verbose Report 375
- Deleting Empty Reports 375
- Disabling Reports 376
- Enabling the Placement Rule 377
- Tentatively Enabling the Rule 378
- Disabling the Rule 378
- Removing the Placement Rule 380
- File-Attribute Migrations 383
- From an EMC Filer 386
- From a Unix Filer with SMB 386
- Grouping Files into Filesets 389
- Disabling Recursive Matches 391
- Regular Expression Syntax 393
- Creating Bounds for the Match 394
- Adding Complexity 394
- Negating the Match 395
- Reverting to the Root Path 396
- Matching Filenames (optional) 397
- Removing the Fileset 398
- Grouping Files by Size 399
- Removing a File Selection 400
- Grouping Files by Age 401
- Removing the Source Fileset 404
- Joining Filesets 408
- Removing a Source Fileset 409
- Removing All Source Filesets 409
- Intersecting Filesets 410
- Identifying a Source Fileset 411
- Listing all Filesets 412
- Showing One Global Fileset 415
- Migrating Filesets 419
- Directing File Placement 420
- After 1st Migration 421
- Matching Directories Only 423
- Configuring Progress Reports 437
- Generating Verbose Reports 438
- Changing Rule Order 441
- Shadowing a Volume 445
- /acctShdw 446
- "wwmed" namespace 446
- "nemed" namespace 446
- Compatible Software Releases 448
- Allowing Modifications 449
- Turning Off Shadowing 450
- Applying a Schedule 456
- Translating Local SIDs 460
- File-Attribute Translations 463
- Enabling Pruning 464
- Copying All Directories 465
- Setting a Bandwidth Limit 466
- Removing any Bandwidth Limit 467
- Reverting to the Default 468
- Enabling the Shadow-Copy Rule 469
- Showing Shadow-Copy Status 469
- Focusing on One Rule 473
- Report Format 475
- Reformatting the Report 478
- Truncating the Report 479
- Removing the Shadow-Copy Rule 480
- Copyrights 483
- Kerberos 492
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