Fujitsu ETERNUS DX100 S3 - Page 924

Appendix A Parameter List
A.6 Thin Provisioning Management
ETERNUS Web GUI User’s Guide (Settings)
Copyright 2015 FUJITSU LIMITED P2X0-1270-13ENZ0
924
• RAID Level
• Select Drives
• Thin Provisioning Pool Total Capacity
Description Select the level of RAID group that configures the TPP from the list box.
Input condition/
Display contents
• 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".
• 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.
Description 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)".
Input condition/
Display contents
• 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)
for
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)
for
details.
Description 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 559).
Input condition/
Display contents
• Numeric characters
• TB/GB