HP 3PAR Operating System Software - Manual (Page 215)

Step 3. Allocation Settings
1. In the Include column on the left, check the appropriate boxes to include properties in the
template. The list of values for each property are listed in the Defined Value column on the
right. Include any properties for which you wish to define specific values to be used by the
template (for example, a step size of 128 KB). Checking the Allow Override checkbox allow
users to modify that property's value when applying the template.
2. Use the following table as a guide when choosing which properties to include in a CPG
template, Allocation Settings screen:
Include in the template in order to... Property
set the level of failure tolerance for a volume created
with this template. Choices are Cage - default, Port,
Magazine. Availability
determine the number of contiguous bytes that the system
accesses before moving to the next chunklet within Step Size
logical disks supporting volumes created with this
template. From the Step Size list, select 32, 64, 128,
256, or 512 KiB. For RAID 6 you can select 32, 64, or
128.
indicate whether the logical disks supporting volumes
created with this template should tend to use chunklets Preferred Chunklets
near the beginning of the physical disks or the end of
the physical disks. Choices are Fast- default, Slow.
3. Click Next to enter disk filter information, or click Finish.
Step 4. Disk Filter
The Disk Filter displays the physical disks used. Pattern displays the parameters of the disks used.
To modify the list of disks used:
1.
Click the Filter icon.
2. See “Filtering” (page 31) for details.
3. Click Next, or click Finish.
Step 5. Policies and Geometry
1. In the Include column on the left, check the appropriate boxes to include properties in the
template. The list of values for each property are listed in the Defined Value column on the
right. Include any properties for which you wish to define specific values to be used by the
template. Checking the Allow Override checkbox allow users to modify that property's value
when applying the template.
2. Use the following table as a guide when choosing which properties to include in a VV template,
Copy Settings screen:
Include in the template in order to... Property
allows stale snapshots. Allow stale snapshots
Indicates whether the VV can export to multiple hosts. Restrict export to one host
specify the number of sectors to allow per track. Sectors Per Track
specify the number of heads to use per cylinder. Heads Per Cylinder
3. Click Next to view summary information, or click Finish.
Creating a Virtual Volume Template (Fully Provisioned from Physical Disks) 215