Specifications

2-2 Sun StorEdge A1000 and A3x00/A3500FC Best Practices Guide • November 2002
2.1 New Installation
This section contains the following topics:
■ Section 2.1.1, “Battery Unit” on page 2-2
■ Section 2.1.2, “Power Cables” on page 2-2
■ Section 2.1.3, “Power Sequencer” on page 2-3
■ Section 2.1.4, “Local/Remote Switch” on page 2-3
■ Section 2.1.5, “SCSI and Fiber-Optic Cables” on page 2-3
■ Section 2.1.6, “SCSI ID, Loop ID, Controller, and Disk Tray Switch Settings” on
page 2-4
■ Section 2.1.7, “World Wide Name (WWN)” on page 2-5
2.1.1 Battery Unit
For further information regarding the battery unit, see Section 1.3.1 “Battery Unit” in
the Sun StorEdge A3500/A3500FC Controller Module Guide.
Verify that the battery’s date of manufacture is not older than six months. The
battery’s date of manufacture can be found on the Battery Support Information label
located on top of the battery. Write down the date of installation on the Battery
Support Information label. Add two years to the date of installation and write down
the replacement date on the Battery Support Information label.
The battery unit will undergo self diagnostics at power up which will take
approximately 15 minutes to complete. During this time you might see the following
SCSI message: ASC/ASCQ A0/00 which indicates that write cache cannot be
enabled. This message should go away within 15 minutes or so unless the battery
unit was completely drained. In this case it will require additional time for the
battery to completely recharge.
2.1.2 Power Cables
For further information and guidelines for connecting the AC power cables, refer to
Chapter 3 in the Sun StorEdge A3500/A3500FC Hardware Configuration Guide.Itis
important that you follow these guidelines.
The controller must to be powered on at the same time or after the disk trays so that
the controller registers the disk drives. The power cables to the controller should
always be connected to one of the four outlets on the second sequenced group of the