Rank - NEC Storage Manager User Manual

Chapter 2 Overview of Disk Array Configuration Setting
2 . 1 . 3
2 . 1 . 3
2 . 1 . 3
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.
Logical Disk Configuration of RANK

RANK

PD00 PD01
Logical Disk Configuration of RANK (Striping)
RANK
PD00 PD01
The table below shows the number of physical disks and the number of RANKs available by the RAID
type on the 100/1000/2000 series (not including S400/S1400/S2400).
Disk Array
RAID
Type
RAID0 100/1000/2000
series
RAID1
RAID5
RAID10
: Available -: Unavailable
R A N K
R A N K
R A N K
PD02
PD02
Figure 2-5 Logical Configurations of Disk Arrays (RANK)
1 2 3 4
- -
- - -
- -
- - -
PD03 PD04
PD03 PD04
Number of Physical Disks
5 6 7 8 9 10
- - - -
- - - - - -
- - -
I-28
LD00
LD01
LD02
LD03
RANKn
...
LD00
LD01
LD02
LD03
11 12 13 14 15
- - - -
- - - -
- -
-
-