TS7760 Storage Expansion Frame Configurations with 8 TB DDMs

The following table displays the total achievable capacity for a certain number of 3956-XSA drawers with 8 TB DDMs attached to a 3956-CSA Controller(s).
Table 1. TS7760 Storage Expansion Frame configurations for 8 TB capacity drives
TS7760 Cache configuration for base frame Cache units‡ in eachTS7760 Storage Expansion Frame cache controller (3956-CSA) plus optional cache drawers (3956-XSA) First TS7760 Storage Expansion Frame Second TS7760 Storage Expansion Frame
Total cache units (including TS7760 Base Frame) Available capacity Total cache units (including TS7760 Base Frame) Available capacity
1 TS7760 Cache Controller (3956-CSA) 9 TS7760 Cache Drawers (3956-XSA) 1 (controller only) 11 679.67 TB
(618.16 TiB)
26 1606.99 TB
(1461.55 TiB)
2 12 741.51 TB
(674.40 TiB)
27 1668.83 TB
(1517.80 TiB)
3 13 803.35 TB
(730.64 TiB)
28 1730.68 TB
(1574.04 TiB)
4 14 865.19 TB
(786.89 TiB)
29 1792.52 TB
(1630.28 TiB)
5 15 927.03 TB
(843.13 TiB)
30 1854.36 TB
(1686.53 TiB)
6 16 988.87 TB
(899.38 TiB)
31 1916.20 TB
(1742.77 TiB)
7 17 1050.72 TB
(955.62 TiB)
32 1978.04 TB
(1799.02 TiB)
8 18 1112.56 TB
(1011.86 TiB)
33 2039.88 TB
(1855.26 TiB)
9 19 1174.40 TB
(1068.11 TiB)
34 2101.72 TB
(1911.50 TiB)
10 20 1236.24 TB
(1124.35 TiB)
35 2163.56 TB
(1967.75 TiB)
11 21 1298.08 TB
(1180.60 TiB)
36 2225.40 TB
(2023.99 TiB)
12 22 1359.92 TB
(1236.84 TiB)
37 2287.24 TB
(2080.24 TiB)
13 23 1421.76 TB
(1293.08 TiB)
38 2349.08 TB
(2136.48 TiB)
14 24 1483.60 TB
(1349.33 TiB)
39 2410.93 TB
(2192.72 TiB)
15 25 1545.44 TB
(1405.57 TiB)
40 2472.77 TB
(2248.97 TiB)
‡The term "Total cache units" refers to the combination of cache controllers and cache drawers.

A new TS7760 Storage Expansion Frame can be added to a TS7760 Base Frame fully configured with a 3956-CSA cache controller and nine 3956-XSA cache drawers by using FC 7334, TS7760 Encryption Capable Expansion Frame (VEC section below) as a miscellaneous equipment specification (MES).

Refer to the topic Upgrades specific to the TS7760 in the Related information section for MES details and requirements.