Fujitsu ETERNUS DX60 S3 User Manual page 924

Appendix A Parameter List
A.6 Thin Provisioning Management
• RAID Level
Description
Input condition/
Display contents
•
RAID0 has no data redundancy. Select "High Performance (RAID1+0)", "High Capacity (RAID5)", "High Reliability
(RAID6)", "High Reliability (RAID6-FR)", or "Mirroring (RAID1)" for the RAID level.
•
The number of RAID groups that configure a TPP is automatically determined by the selected drive type, the
RAID level, the selected drives (only for RAID6-FR), the specified total capacity of the Thin Provisioning Pool,
and the drives that are installed in the ETERNUS DX.
• Select Drives
Description
Input condition/
Display contents
• Thin Provisioning Pool Total Capacity
Description
Input condition/
Display contents
Select the level of RAID group that configures the TPP from the list box.
•
High Performance (RAID1+0)
RAID1+0 (2D+2M, 4D+4M, 8D+8M, 12D+12M) configuration is available.
•
High Capacity (RAID5)
RAID5 (3D+1P, 4D+1P, 7D+1P, 8D+1P, 12D+1P) configuration is available.
•
High Reliability (RAID6)
RAID6 (4D+2P, 6D+2P, 8D+2P) configuration is available.
•
High Reliability (RAID6-FR)
RAID6-FR ((4D+2P)x2+1HS, (6D+2P)x2+1HS, (8D+2P)x3+1HS, (4D+2P)x5+1HS)
configuration is available (*1).
•
Mirroring (RAID1)
RAID1 (1D+1M) configuration
•
Striping (RAID0)
RAID0 (4D) configuration
*1: "High Reliability (RAID6-FR)" groups that configure TPPs are called "Fast Recovery
RAID groups".
Select the requirements that are given priority when creating Fast Recovery RAID groups
in the TPP with automatic drive configuration.
This item is available only when the RAID level is "High Reliability (RAID6-FR)".
•
Minimize number of using drives
Minimize the number of drives in the RAID group to achieve high-speed rebuilding.
Refer to "Drive configuration for Fast Recovery RAID groups (TPP)" (page 925)
details.
•
Prioritize rebuild rate
Use more drives in a RAID group and distribute data to achieve high-speed
rebuilding.
Refer to "Drive configuration for Fast Recovery RAID groups (TPP)" (page 925)
details.
Specify the volume capacity and select the unit (TB/GB) of capacity.
A TPP is automatically created with a capacity of the input value or higher. For the
maximum capacity, refer to "The maximum number of pools and maximum pool
capacity for each model" (page
•
Numeric characters
•
TB/GB
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