SC4020 Storage System and Two or More SC200/SC220 Expansion
Enclosures
This figure shows an SC4020 storage system cabled to two SC200/SC220 expansion enclosures.
Figure 76. SC4020 Storage System and Two SC200/SC220 Expansion Enclosures
1. Storage system 2. Storage controller 1
3. Storage controller 2 4. Expansion enclosure 1
5. Expansion enclosure 2
The following table describes the back-end SAS connections from an SC4020 storage system to two
SC200/SC220 expansion enclosures.
Table 10. SC4020 Storage System Connected to Two SC200/SC220 Expansion Enclosures
Path Connections
Chain 1: A Side (Orange)
1. Storage controller 1: port A to expansion enclosure 1: top EMM, port A.
2. Expansion enclosure 1: top EMM, port B to expansion enclosure 2: top
EMM, port A.
3. Expansion enclosure 2: top EMM, port B to storage controller 2: port B.
Chain 1: B Side (Blue)
1. Storage controller 2: port A to expansion enclosure 1: bottom EMM, port
A.
2. Expansion enclosure 1: bottom EMM, port B to expansion enclosure 2:
bottom EMM, port A.
3. Expansion enclosure 2: bottom EMM, port B to storage controller 1: port
B.
92
Connect the Back-End Cabling
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