60 raid level 5, Accessing the array, Lun 1 lun 2 lun 3 lun 4 – ATTO Technology Diamond Storage Array S-Class User Manual
Page 71
60
RAID Level 5
2
Type
set
QuickRAID5 1 1
3
Type SaveConfiguration Restart
The array is configured into one RAID Level 5
group with one Hot Spare sled.
To set up two RAID Level 5 groups with two Hot
Spare sleds
1
Connect to Diamond Storage Array services
(refer to
Accessing the Array
on page 17) and use
the CLI or enter ATTO ExpressNAV browser
interface Advanced CLI Configuration page.
2
Type set QuickRAID5 2 2
3
Type SaveConfiguration Restart
The array is configured into two RAID Level 5
groups with two Hot Spare sleds. Refer to
Exhibit 6.4-1
Exhibit 6.4-1 LUNs are set up using the drives and sleds shown here. Parity information is spread throughout each
LUN.
Exhibit 6.4-2 Drives are striped, and parity information is interspersed among the sleds.
Exhibit 6.4-3 Configuration of sleds in RAID Level 5 in a fully populated array (12 sleds).
Sled
1
2
3
4
5
6
7
8
9
10
11
12
Drive
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
QuickRAID5 1
LUN 1
QuickRAID5 2
LUN 1
LUN 2
QuickRAID5 3
LUN 1
LUN 2
LUN 3
QuickRAID5 4
LUN 1
LUN 2
LUN 3
LUN 4
Physical Sled
1
2
3
4
5
6
7
8
9
10
11
12
Physical Drive
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
Step 1
Virtual Drive
1
2
3
4
5
6
7
8
9
10
11
12
Step 2
Striping
Step 3
Created LUN
LUN 1
LUN 2
LUN 3
LUN 4
Sled
1
2
3
4
5
6
7
8
9
10
11
12
Drive
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
QuickRAID5 1 1
LUN 1
Hot
Spare
QuickRAID5 2 2
LUN 1
LUN 2
Hot
Spare
Hot
Spare