VERITAS 5250, Руководство по установке оборудования

Страница: 27 / 151

■
A minimum of 3 inches (7.6 cm) of space must be between the front of an
appliance and the cabinet door or other air block.
■
A minimum of 6 inches (15.2 cm) of space must be between the rear of an
appliance and the cabinet rear or other air block.
■
A minimum of 1 inch (2.5 cm) of space must be between the front of a storage
shelf and the cabinet door or other air block.
■
A minimum of 2 inches (5.0 cm) of space must be between the rear of a storage
shelf and the cabinet rear or other air block.
Refer to the 5250 Appliance Product Description Guide for specifications about
temperature and cooling.
NetBackup Appliance documentation
Verifying SAS-3 cable length
Before you install and connect the hardware, be sure to verify that you have the
correct length of the SAS-3 cables for your setup.
Each rack unit (RU) is 44.50 mm (1.752 inches) in height. The 5250 Appliance and
the 5250 Storage Shelf are both 2RU high.
Each SAS-3 cable is 1 meter (3.28 feet) long. The 1-meter cable is long enough to
connect an appliance to the fourth storage shelf when the recommended
configuration is used.
Longer SAS-3 cables are supported with the 2U12 Storage Shelf if needed for the
configuration.
Prerequisites for IPMI configuration
Verify the following configuration prerequisites:
■
The remote management port auto-negotiates its link speed to 1 Gbps.
Note: If the IPMI port is connected to a managed switch port, it is recommended
that you configure the switch port to auto-negotiation
■
If a firewall exists between the appliance and the remote devices that manage
an appliance (like a laptop computer), open the following ports:
SOL SSH 66
27 Preinstallation requirements
Verifying SAS-3 cable length