Compaq System/E25 User's Guide download pdf (Page 16)

16 Product Description

Upgradability

You can increase disk system storage capacity by:

■ Replacing disk drives with higher-capacity disk drives

■ Adding disks in unused slots

■ Adding another disk system to a FC loop

None of these actions require shutting down the product, but some may require

the use of system utilities to manage file systems.

Disk and LCC firmware is downloadable using the supported tools.

Environmental Services

Environmental services circuitry monitors the following elements:

■ Fan rotation

■ Power supply output

■ Power supply and fan status

■ Disk drive status, including fault conditions

■ LCC status

■ Temperature

■ Self-test results

Each LCC reports the status of all elements in the disk system, even if the LCC

does not have direct access to the element.

Additionally, the EEPROM on each LCC stores 2 Kbytes of configuration

information and user-defined data, including the manufacturer serial number and

product number.

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Compaq System/E25 User's Guide Page 16