IBM Storwize V7000, Руководство по обслуживанию

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The number of ports at the rear of the enclosure. Control enclosures have
Ethernet ports, Fibre Channel ports, and USB ports. Expansion enclosures do not
have any of these ports.
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The number of LEDs on the power supplies. Control enclosure power supplies
have six; expansion enclosure power supplies have four.
Components in the front of the enclosure
This topic describes the components in the front of the enclosure.
Drives
An enclosure can hold up to 12 3.5-inch drives or up to 24 2.5-inch drives.
The drives are located in the front of the enclosure. The 12 drives are mounted in
four columns with three rows.
The 24 drives are mounted vertically in one row.
Note: The drive slots cannot be empty. A drive assembly or blank carrier must be
in each slot.
Figure 1 shows 12 drives, and Figure 2 shows 24 drives.
Drive indicators
The drives have two LED indicators each. They have no controls or connectors.
The LED color is the same for both drives. The LEDs for the 3.5-inch drives are
placed vertically above and below each other. The LEDs for the 2.5-inch drives are
placed next to each other at the bottom.
svc00609
Figure 1. 12 drives on either 2076-112 or 2076-312
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Figure 2. 24 drives on either 2076-124 or 2076-324
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Storwize V7000: Troubleshooting, Recovery, and Maintenance Guide