Chapter 1 Storage Overview
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PD00 PD01 PD02 PD03 PD04
LD00
LD01
LD02
LD03
RANK
PD00
PD01 PD02 PD03 PD04
LD00
LD01
LD02
LD03
RANK RANKn
Logical Disk Configuration of RANK (Striping)
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Logical Disk Configuration of RANK
• RANK
<Supported disk arrays>
Other than disk arrays with pool
In the disk arrays indicated above, multiple physical disks put together to make up a virtual
medium for RAID is called RANK. Areas on RANK are controlled by using a continuous
address space.
The logical disks usually belong to one RANK, and a continuous space on one RANK is
assigned to them.
In a multi-RANK configuration, the logical disks belong to multiple RANKs, and continuous
spaces on the multiple RANKs are assigned to them.
For the types of RAID configurable as RANK, refer to C.2 “List of RANK-Configurable RAID
Types”.
Figure 1-15 Logical Configurations of Disk Arrays (RANK)
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