Contents 11

 

Adding a RAID-5 log using vxplex ...........................................................

283

 

Removing a RAID-5 log .............................................................................

284

 

Resizing a volume ..............................................................................................

284

 

Resizing volumes using vxresize .............................................................

285

 

Resizing volumes using vxassist .............................................................

286

 

Resizing volumes using vxvol ..................................................................

287

 

Setting tags on volumes ....................................................................................

288

 

Changing the read policy for mirrored volumes ...........................................

289

 

Removing a volume ...........................................................................................

290

 

Moving volumes from a VM disk .....................................................................

290

 

Enabling FastResync on a volume ...................................................................

292

 

Checking whether FastResync is enabled on a volume ........................

293

 

Disabling FastResync ................................................................................

293

 

Performing online relayout ..............................................................................

294

 

Permitted relayout transformations .......................................................

295

 

Specifying a non-default layout ...............................................................

298

 

Specifying a plex for relayout ..................................................................

298

 

Tagging a relayout operation ...................................................................

298

 

Viewing the status of a relayout ..............................................................

299

 

Controlling the progress of a relayout ....................................................

299

 

Converting between layered and non-layered volumes ...............................

300

Chapter 9

Administering volume snapshots

 

 

Traditional third-mirrorbreak-off snapshots ...............................................

305

 

Full-sized instant snapshots ............................................................................

307

 

Space-optimized instant snapshots ................................................................

309

 

Emulation of third-mirrorbreak-off snapshots ............................................

310

 

Linked break-off snapshot volumes ................................................................

311

 

Cascaded snapshots ...........................................................................................

312

 

Creating a snapshot of a snapshot ..........................................................

313

 

Creating multiple snapshots ............................................................................

317

 

Restoring the original volume from a snapshot ...........................................

317

 

Creating instant snapshots ..............................................................................

319

 

Preparing to create instant and break-off snapshots ..........................

321

 

Creating and managing space-optimized instant snapshots ..............

324

 

Creating and managing full-sized instant snapshots ..........................

327

 

Creating and managing third-mirrorbreak-off snapshots .................

329

 

Creating and managing linked break-off snapshot volumes ..............

331

 

Creating multiple instant snapshots ......................................................

333

 

Creating instant snapshots of volume sets ............................................

334

 

Adding snapshot mirrors to a volume ....................................................

336

 

Removing a snapshot mirror ...................................................................

336

 

Removing a linked break-off snapshot volume .....................................

337