Veritas Volume Manager 5.0 Administrator's Guide (September 2006)

9Contents
Associating subdisks with plexes ...........................................................................210
Associating log subdisks .........................................................................................212
Dissociating subdisks from plexes ..........................................................................212
Removing subdisks .................................................................................................213
Changing subdisk attributes ....................................................................................213
Chapter 6 Creating and administering plexes
Creating plexes .......................................................................................................215
Creating a striped plex ............................................................................................216
Displaying plex information ...................................................................................216
Plex states .......................................................................................................216
Plex condition flags ........................................................................................220
Plex kernel states ............................................................................................221
Attaching and associating plexes ............................................................................221
Taking plexes offline ..............................................................................................222
Detaching plexes .....................................................................................................223
Reattaching plexes ..................................................................................................223
Moving plexes .........................................................................................................224
Copying plexes .......................................................................................................225
Dissociating and removing plexes ..........................................................................225
Changing plex attributes .........................................................................................226
Chapter 7 Creating volumes
Types of volume layouts .........................................................................................228
Supported volume logs and maps ...................................................................229
Creating a volume ...................................................................................................230
Advanced approach .........................................................................................230
Assisted approach ...........................................................................................231
Using vxassist .........................................................................................................231
Setting default values for vxassist ..................................................................233
Discovering the maximum size of a volume ..........................................................234
Disk group alignment constraints on volumes ........................................................234
Creating a volume on any disk ...............................................................................235
Creating a volume on specific disks .......................................................................236
Specifying ordered allocation of storage to volumes ......................................237
Creating a mirrored volume ....................................................................................241
Creating a mirrored-concatenated volume ......................................................241
Creating a concatenated-mirror volume .........................................................241
Creating a volume with a version 0 DCO volume ..................................................242
Creating a volume with a version 20 DCO volume ................................................244
Creating a volume with dirty region logging enabled ............................................244
Creating a striped volume .......................................................................................245