Expansion Units And High-Density Expansion Units; Storage System Power Off; Base Unit; Expansion Units - Hitachi AMS 2100 Hardware Manual
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Also See for AMS 2100:
- Getting started manual (54 pages) ,
- User manual (210 pages) ,
- Service manual (192 pages)
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The base unit automatically runs a POST. The test takes about 4 minutes to
complete. If the test completes successfully, the base unit is fully
operational and ready for use.
Failures and workarounds
If the base unit does not turn on (the Ready LED stays off) after you turn
on the main switch, or when the Ready LED does not stop blinking and light
steadily after 4 minutes, see the instructions in
Expansion units and high-density expansion units
Power to expansion units and High-density expansion units is controlled by
the base unit via the ENC cable. When you turn the base unit ON or OFF,
power to any expansion units connected to that base unit are also turned
ON or OFF.
Storage system power off
Base unit
To remove power from the base unit:
1. Turn off the power.
•
With the front bezel installed, press the Power Off button
•
With the front bezel removed, press the left side of the Main
Switch (labeled
This turns off power to the control units and to the disk drives, but the
power supplies will continue to run in standby mode.
2. Verify that the green LEDs above each power receptacle on the rear
panel are OFF and that the green Ready LED on the front panel is OFF.
To completely power down a base unit:
1. Turn off the Main / Power switch and verify that the green Ready LED on
the front panel is OFF.
2. Turn off the power switches or circuit breakers in the PDBs to which the
base unit is connected.
3. Unplug the power cables from both power supplies in the base unit.
CAUTION! Residual power may remain in the power supplies for
up to a minute after the power supplies are turned off.
Expansion units
Power to the expansion units and high-density expansion units is controlled
by the base unit via the ENC cable. When you turn the base unit ON or OFF,
power to any expansion units connected to that base unit are also turned
ON or OFF. AS with the base unit, the power supplies in the expansion units
will remain in standby and the fans will continue to run at low speed.
.
Power On/Off procedures
Hitachi AMS 2100/2300 Storage System Hardware Guide
Chapter 8,
Troubleshooting.
6–5
- Quick Links:
- Ams 2100 Base Unit
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Troubleshooting
