HP StoreVirtual 4000 User Manual page 9

Network RAID-5 (Single Parity).................................................................................145
Network RAID-6 (Dual Parity)...................................................................................146
Provisioning snapshots...........................................................................................................147
Snapshots versus backups.................................................................................................147
The effect of snapshots on cluster space..............................................................................147
Managing capacity using volume size and snapshots...........................................................148
Volume size and snapshots...........................................................................................148
Schedules to snapshot a volume and capacity.................................................................148
Deleting snapshots......................................................................................................148
Ongoing capacity management.............................................................................................148
Number of volumes and snapshots.....................................................................................148
Reviewing SAN capacity and usage...................................................................................148
Cluster use summary....................................................................................................149
Volume use summary...................................................................................................150
System Use summary...................................................................................................151
Measuring disk capacity and volume size...........................................................................152
Block systems and file systems.......................................................................................152
Storing file system data on a block system......................................................................152
Changing the volume size on the server..............................................................................153
Increasing the volume size in Microsoft Windows............................................................153
Increasing the volume size in other environments.............................................................153
Changing configuration characteristics to manage space......................................................154
12 Using volumes......................................................................................155
Volumes and server access....................................................................................................155
Prerequisites....................................................................................................................155
Planning volumes..................................................................................................................155
Characteristics of volumes......................................................................................................156
Creating a volume................................................................................................................157
Viewing the volume map.......................................................................................................158
Editing a volume..................................................................................................................158
To edit a volume..............................................................................................................159
Deleting a volume.................................................................................................................160
To delete the volume........................................................................................................161
13 Using snapshots....................................................................................162
Types of snapshots................................................................................................................162
Uses and best practices for snapshots.................................................................................162
Planning snapshots...............................................................................................................163
Prerequisites for application-managed snapshots..................................................................164
Creating snapshots...............................................................................................................165
Editing a snapshot...........................................................................................................166
Scheduling snapshots............................................................................................................166
Best practices for scheduling snapshots of volumes...............................................................166
Requirements for snapshot schedules..................................................................................167
Scheduling snapshots for volume sets..................................................................................167
Creating a schedule to snapshot a volume..........................................................................168
Editing scheduled snapshots.........................................................................................169
Pausing and resuming scheduled snapshots....................................................................169
Deleting schedules to snapshot a volume........................................................................170
Scripting snapshots......................................................................................................170
Mounting a snapshot............................................................................................................170
Mounting the snapshot on a host.......................................................................................170
Making a Windows application-managed snapshot available...............................................171
Managing snapshot temporary space.................................................................................173
Convert the temporary space to access data...................................................................173
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