Ds8000 Raid Capacities For Raid 6 Arrays; Ds8000 Raid Capacities For Raid 10 Arrays - IBM DS8800 Introduction And Planning Manual

Table 24. DS8000 RAID capacities for RAID 6 arrays (continued)
Disk size and Total physical
Storage Unit capacity (GB) per
disk drive set
450 GB (FC) 7200
DS8700
450 GB (SAS) 7200
DS8800
600 GB (FC) 9600
DS8700
600 GB (SAS) 9600
DS8800
900 GB (SAS) 14,400
DS8800
3 TB (SAS) 48,000
DS8800
Notes:
1. Physical capacities are in decimal gigabytes (GB). One decimal GB is 1,000,000,000
bytes.
2. Disk drive sets contain either 8 or 16 drives. An array site contains 8 drives. The
effective capacities shown are for a single array, which resides in one array site.
Table 25. DS8000 RAID capacities for RAID 10 arrays
Disk size and Total physical
Storage Unit capacity (GB) per
disk drive set
146 GB (SAS) 2336
DS8800
Fixed block (FB) Effective capacity in GB
or count key
data (CKD)
Rank with RAID 6 array
5 + P + Q
FB 2074.46
(1932)
CKD 2072.68
(2165)
FB 2077.69
(1935)
CKD 2076.51
(2169)
FB 2812.13
(2619)
CKD 2810.80
(2936)
FB 2771.32
(2581)
CKD 2769.63
(2893)
2736.78
(2893)
FB 4159.68
(3874)
CKD 4156.85
(4342)
FB 13,874.89
(12,922)
CKD 13,865.42
(14,483)
Fixed block (FB) Effective capacity in GB
or count key
data (CKD)
Rank with RAID 10 array
3 + 3
FB 413.39
(385)
CKD 412.62
(431)
Chapter 4. Storage unit physical configuration
(Number of Extents)
(See Notes 1 and 2)
6 + P + Q
2496.45
(2325)
2493.91
(2605)
2500.74
(2329)
2497.74
(2609)
3384.43
(3152)
3381.38
(3532)
3336.11
(3107)
3332.56
(3481)
3293.03
(3481)
5005.78
(4662)
5000.28
(5223)
16,695.61
(15,549)
16,679.09
(17,422)
(Number of Extents)
(See Notes)
4 + 4
551.90
(514)
551.43
(576)
105