11 Environment Connections
11.1 Cable SMU and 36-Port InfiniBand EDR LDN with Dual 24-Port
LMN Switches
About this task
For ClusterStor L300 and L300N inter-rack 36-port InfiniBand LDN switches, the available uplink ports are:
●
Upper switch 1 (IB1) - ports 1 through 21, 23, 25, 26, 29, 31, 33, and 35
●
Lower switch 0 (IB0) - ports 1, 3, 5, 7, 9, 11, 13, 15, 17 through 36
For inter-rack LMN switch cabling, the available uplink ports are:
●
Upper switch 1 (SW1) - 5, 7, 17, and 19
●
Lower switch 0 (SW0) - 5, 7, 17, and 19
IMPORTANT: For inter-rack LMN 24-port switch cabling, ports 5, 7, 17, and 19 in the base rack are
available uplink ports. Note that port 13 is the ISL and is not available.
IMPORTANT: Switch port assignments in the configuration diagrams are provided for reference only. For
system-specific inter-rack switch cabling, refer to the system-specific storage configuration document
(SCD).
Figure 21. Cable Base Rack 36-Port IB EDR LDN 24-Port LMN Using Core Switch
1 2
3 4
5 6
7 8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
X1
X2
X3
X4
X5
X6
X7
X8
1 2
3 4
5 6
7 8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
X1
X2
X3
X4
X5
X6
X7
X8
SW1
SW0
LMN to storage
racks 1, 2, 3 ... N
SW1 switch
LMN to storage
racks 1, 2, 3 ... N
SW0 switch
1
3
5
7
9
11
13
15
17
19
21
23
14
16
18
20
22
24
25
27
29
31
33
35
26
28
30
32
34
36
2
4
8
10
12
6
1
3
5
7
9
11
13
15
17
19
21
23
14
16
18
20
22
24
25
27
29
31
33
35
26
28
30
32
34
36
2
4
8
10
12
6
IB1
IB0
LDN to
customer
core switch
Environment Connections
38
