IBM DCS9550 1S1 manual Removal and Replacement, 7SCM I/O Module Latch Operation

Troubleshooting and Problem Solving

4.9.3.2Inserting the Module

ATTENTION If only one SCM module is fitted, it must be installed in Module B location (Rear Bay 4) [see Figure 2–1, ”Module locations”, on page 16] and an I/O blank module fitted in the unused bay.

1With the latch in the open position, slide the SCM I/O module into the enclosure until the latch engages automatically.

2Cam the module home by manually closing the latches (see Figure 4–7).

3A click should be heard as the latch engages.

Figure 4–7SCM I/O Module Latch Operation

4.9.4Drive Carrier Module

Please see section 2.9 for information on the initial installation of the plug-in modules in the DCS9550 1S1 Storage Expansion Unit.

Caution Observe all conventional ESD precautions when handling the DCS9550 1S1 Storage Expansion Unit modules and components. Avoid contact with backplane components and module connectors, etc.

4.9.4.1Removal and Replacement

ATTENTION Drive spin down

Damage can occur to a drive if it is removed while still spinning. If possible use the operating system to spindown the drives prior to removal. If this is not possible we recommend that you perform All steps of the following procedure to ensure that the drive has stopped prior to removal:

1Release the carrier handle, by pressing the latch in the handle towards the right Note The anti-tamper lock must be off.

2Gently withdraw the Drive Carrier Module approximately1 inch (25mm) and wait 30 seconds.

50 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide