Figure 2 shows the rear view of a Storwize V3700 control enclosure and identifies
the location of the ports.
v ▌1▐ USB ports. Each canister has two USB ports. One port is used during
installation.
v ▌2▐ Ethernet ports. Each canister has two 1 Gbps Ethernet ports.
Port 1 Must be connected for system management. Can optionally be used for
iSCSI host connectivity.
Port 2 Optional. Can be used for iSCSI host connectivity or to provide an
alternative (redundant) management address.
v ▌3▐ Serial-attached SCSI (SAS) ports. Each canister has four SAS ports. Ports 1 to
3 are optionally used for connecting to host systems. Port 4 is optionally used
for connecting to expansion enclosures.
Control enclosure support rails
The left and right control enclosure support rails (Figure 3 on page 8) are designed
specifically for installation of a control enclosure.
v The ledge on the inside of the rails supports the entire length of a control
enclosure.
v At the rear end of the control enclosure support rail, the top edge curves over to
capture the top edge of an inserted control enclosure. This prevents the installed
control enclosure bouncing when the rack is subjected to quake or vibration.
v The control enclosure support rails adjust to fit racks from 685 mm to 765 mm
deep, measured between the front and rear rack rails.
1 2 3
4
6
1
2
1
2
OK
IN
v3500087
2
1
3
1 2 3
4
6
1
2
1
2
OK
IN
Figure 2. Data ports in the rear of the Storwize V3700 control enclosure
Chapter 1. Before you begin the installation 7
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