Chapter 1. Storwize V7000 hardware components
A Storwize V7000 system consists of one or more machine type 2076 rack-mounted
enclosures.
There are several model types. The main differences among the model types are
the following items:
v
The number of drives that an enclosure can hold. Drives are located on the front
of the enclosure. An enclosure can hold up to 12 3.5-inch drives or up to 24
2.5-inch drives.
v
Whether the model is a control enclosure or an expansion enclosure.
Control enclosures contain the main processing units that control the whole
system. They are where external systems, such as host application servers, other
storage systems, and management workstations are connected through the
Ethernet ports or Fibre Channel ports. Control enclosures can also be connected
to expansion enclosures through the serial-attached SCSI (SAS) ports.
Expansion enclosures contain additional storage capacity. Expansion enclosures
connect either to control enclosures or to other expansion enclosures through the
SAS ports.
v
If the control enclosure has either 1 Gbps Ethernet capability or 10 Gbps
Ethernet capability.
These are the control enclosure models:
v
Machine type and model 2076-112, which can hold up to 12 3.5-inch drives
v
Machine type and model 2076-124, which can hold up to 24 2.5-inch drives
v
Machine type and model 2076-312, which can hold up to 12 3.5-inch drives and
includes 10 Gbps Ethernet capability
v
Machine type and model 2076-324, which can hold up to 24 2.5-inch drives and
includes 10 Gbps Ethernet capability
These are the expansion enclosure models:
v
Machine type and model 2076-212, which can hold up to 12 3.5-inch drives
v
Machine type and model 2076-224, which can hold up to 24 2.5-inch drives
The machine type and model (MTM) are shown on these labels that are located on
the front and the rear of each enclosure:
v
The left end cap on the front of the enclosure. The label also indicates if the
enclosure is a control enclosure or an expansion enclosure.
v
The rear of the left enclosure flange.
Note:
The labels also show the enclosure serial number. You must know the serial
number when you contact IBM support.
Because of the differences between the enclosures, you must be able to distinguish
between the control enclosures and the expansion enclosures when you service the
system. Be aware of the following differences:
v
The model type that is shown on the labels.
v
The model description that is shown on the left end cap.
© Copyright IBM Corp. 2010, 2011
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Summary of Contents for Storwize V7000
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