Chapter 1. Overview of the IBM Storwize V5000 Gen2 system 15
1.5.3 Storwize V5020
Figure 1-7 shows a single Storwize V5020 node canister.
Figure 1-7 Storwize V5020 node canister
Each node canister contains the following hardware:
Battery
Memory: 8 GB upgradable to 16 GB
Three 12 Gbps SAS ports (two for Host attachment, one for expansions)
Two 10/100/1000 Mbps Ethernet ports
One USB 2.0 port that is used to gather system information
System flash
HIC slot (different options are possible)
Figure 1-7 shows the following features that are provided by the Storwize V5020 node
canister:
Two 10/100/1000 Mbps Ethernet ports. Port 1 must be used for management, and port 2
can optionally be used for management. Port 2 serves as a technician port (as denoted by
the white box with “T” in it) for system initialization and service.
Both ports can be used for iSCSI traffic and IP replication. For more information, see
Chapter 5, “Host configuration” on page 199 and Chapter 10, “Copy services” on
page 485.
One USB port for gathering system information.
Important: The canister SAS port on the Storwize V5010 does not support SAS host
attachment. The Storwize V5010 supports SAS hosts by using an optional host
interface card. For more information, see 1.5.6, “Host interface cards” on page 18.
Do not use the port that is marked with a wrench.
This port is a service port only.
Note: All three models use a technician port to perform initial setup. The
implementation of the technician port varies between models: On Storwize V5010/20
the second 1 GbE port (labelled T) is initially enabled as a technician port. After cluster
creation, this port is disabled and can then be used for I/O or management.
On Storwize V5030 the onboard 1 GbE port (labelled T) is permanently enabled as a
technician port. Connecting the technician port to the LAN will disable the port. The
Storwize V5010/20 technician port can be re-enabled after initial setup.
Commands used to enable or disable the techport:
satask chserviceip -techport enable -force
satask chserviceip -techport disable
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