Host Computer (Z840) System/Image HDD Replacement

Prerequisites

Table 4. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
OS Disk - Hard Disk Drive, 300GB, SAS 10K RPM	1	-	8770000-123	-
Image Disk - Hard Disk Drive , 300GB SAS 10K RPM	1	-	8770000-123	-

Table 5. Safety

POTENTIAL FOR INJURY TO SERVICE PERSONNEL
THE HOST COMPUTER CAN WEIGH IN EXCESS OF 55 POUNDS.
DEPENDING ON YOUR HEIGHT AND ACCESS TO EQUIPMENT REMOVAL/INSTALLATION, LIFTING ASSISTANCE MAY BE REQUIRED. USE YOUR JUDGMENT TO DETERMINE IF LIFT ASSIST OR A SECOND PERSON MAY BE REQUIRED TO ASSIST IN REMOVAL AND INSTALLATION.

TO PREVENT DAMAGE TO COMPONENTS WITHIN THE Z840, OBSERVE THE FOLLOWING ESD PRECAUTIONS:
- WORK ON A STATIC-FREE MAT.
- WEAR A STATIC STRAP TO ENSURE THAT ANY ACCUMULATED ELECTROSTATIC CHARGE IS DISCHARGED FROM YOUR BODY TO GROUND.
- CREATE A COMMON GROUND FOR THE EQUIPMENT YOU ARE WORKING ON BY CONNECTING THE STATIC-FREE MAT, STATIC STRAP AND PERIPHERAL UNITS TO THAT PIECE OF EQUIPMENT.
FOR FURTHER INFORMATION REGARDING ESD PROTECTION, REFER TO THE SAFETY CHAPTER IN THIS PUBLICATION

IN ORDER TO MEET EMC REQUIREMENTS, THE CHASSIS MODULES MUST BE PROPERLY INSTALLED AFTER SERVICING. CHECK THAT THE MODULES ARE MOUNTED FIRMLY IN PLACE AND LOCKED DOWN WHERE APPLICABLE.

FOLLOW ALL REQUIRED SAFETY AND PPE PROCEDURES CUSTOMARY FOR YOUR ORGANIZATION WHEN WORKING ON THIS PRODUCT.

Overview

This procedure shall be followed when replacing the System or Image hard drive in a Z840 computer.

Shutdown system. Select one of the following methods to Power OFF the Console:
- If Applications are up, click on the [Shut Down] button on desktop display and select [Shutdown].
- If Applications are down, open a Terminal Window. Type: halt , then press ENTER.
- When halt command has finished, power Off the console at the front panel switch.
Apply LOTO. See Equipment Service - Lockout-Tagout-PPE procedure.
Remove Front and Top covers. Refer to the following procedure.

Refer to Replacement → Console → Console Cover Removal and Installation
Remove the host computer from console chassis. Refer to the following procedure.

Refer to Replacement → Console → Host Computer (Z840) Replacement

Open the host computer side access panel.
Locate System or Image Hard Drive FRUs by referencing the Illustrations below.

Figure 1. Z840 Component Location
Remove the original Hard Drive assembly from the computer’s drive bay.

Remove the 2.5 to 3.5 inch Form Factor Adapter Bracket with Hard Drive from the Hard Drive carrier rails. See Illustration 3.
Remove the 2.5 to 3.5 inch Form Factor Adapter Bracket from Hard Drive and set Hard Drive aside. See Illustration 3.
Install replacement Hard Drive into the original 2.5 to 3.5 inch Form Factor Adapter Bracket removed from original Hard Drive.
Install replacement Hard Drive with Form Factor Adapter Bracket into original Hard Drive carrier rails.

Figure 2. Hard Drive Form Factor Brackets and Carrier Rail Assembly

Install Host computer into Console chassis. Refer to the following procedure.

Refer to Replacement → Console → Host Computer (Z840) Replacement
Reconnect all cables removed earlier to the Z840 computer.
Install Console covers. Refer to the following procedure.

Refer to Replacement → Console → Console Cover Removal and Installation
Remove LOTO on console.

Perform a Load From Cold (LFC).

Refer to appropriate LFC procedure in Service Methods.

note:
When a hard disk drive, which was previously used in a RAID volume, is reused ads system or image disk, clearing the configuration information in the hard disk drive is required.

Refer to RAID Disk Clear Configuration Procedure.
Reinstall console covers.
Perform the Functional Checks → System Scanning Test instructions from the procedure list.