HP 6400/8400 Leitfaden

HP StorageWorks Disk Enclosure

I/O Module Replacement

Instructions

L.P.

Third edition: June 2010

The information in this document is subject to change without notice.

Printed in Puerto Rico

www.hp.com

*621756-001*

About this document

For the latest documentation, go to http://www.hp.com/support/manuals

and select your product.

The information contained herein is subject to change without notice.

The only warranties for HP products and services are set forth in the

express warranty statements accompanying such products and services.

Nothing herein should be construed as constituting an additional

warranty. HP shall not be liable for technical or editorial errors or

omissions contained herein.

WARRANTY STATEMENT: To obtain a copy of the warranty for this

product, see the warranty information website:

http://www.hp.com/go/storagewarranty

Before you begin

Observe the following precautions when replacing an I/O module.

CAUTION:

You have only seven minutes to perform the replacement

procedure. Removing an I/O module significantly changes the

air flow within the enclosure. Both I/O modules must be installed

for the enclosure to cool properly. If an I/O module fails, leave

it in place in the enclosure until a new module is available to

install. The enclosure could shut down due to overheating unless

the I/O module is replaced within seven minutes of removal in

an active enclosure.

Parts can be damaged by electrostatic discharge. Use proper

anti-static protection. Refer to the documentation that shipped

with your system for additional information.

NOTE:

Port-colored (purple) latches on components like the I/O module

means the component is hot-swappable. This module can be

removed and replaced without having to power the system

down.

There are two I/O modules on the rear of the disk enclosure.

See Figure 1 for the locations.

2. I/O module B1. I/O module A

Figure 1 I/O module locations

Page 1

Verifying component failure

Use the following methods to verify component failure:

•Analyze any failure messages received. HP fault monitoring software

provides a recommended action.

•Check the status using HP Command View EVA:

1. In the Navigation pane, select Storage system > Hardware >

Disk Enclosure.

2. In the Disk Enclosure Properties pane, select the I/O tab.

3. The Operational state of I/O Module A or B should be Failed.

4. To help identify the correct enclosure, click the General tab, and

then select Locate > Locate ON to illuminate the enclosure blue

UID indicator.

•Check the disk enclosure I/O status LEDs:

•—Unit identification. Flashing blue LED that is remotely

activated by an application client.

•

—Enclosure external health. Solid green indicates normal

operation of the link module. Flashing green indicates power up.

An off condition may indicate a firmware malfunction.

•—Enclosure fault warning. Flashing amber indicates a fault

of lesser importance; solid amber indicates a fault of greater im-

portance (a component needs to be replaced).

•Check the disk enclosure port indicators:

•Left (green) transceiver port—Solid green indicates an active Fibre

Channel link. Flashing green is activated by a remote application

client to locate the component.

•Right (amber) transceiver port—Flashing or solid amber indicates

a module fault; solid amber is initiated by the link module when

synchronization cannot be obtained.

Removing an I/O module

1. Disconnect all cables from the I/O module. Ensure they are marked

to facilitate reconnecting later.

2. Hold the mounting latch and rotate down (1, Figure 2). The module

will slightly eject from the enclosure.

3. Position one hand under the module, and with the other hand, pull

the module out of the enclosure (2).

Figure 2 Removing an I/O module

Installing an I/O module

1. Push the module into the enclosure (1, Figure 3).

2. Move the mounting latch up (2) until the module is fully seated in

the enclosure.

Figure 3 Installing an I/O module

3. Connect all cables to the I/O module. Ensure that the cables are

connected to the correct ports. Incorrectly cabled ports increase the

complexity of error analysis.

Verifying proper operation

After replacing the I/O module, verify that the component is operating

properly.

For MSA/ProLiant systems:

1. Wait one minute for the system to check the component status.

2. Verify that the green status indicator is lit.

For EVA systems:

1. Wait three minutes after the replacement I/O module has been

installed.

2. From HP Command View EVA, navigate to the disk enclosure in

which the I/O module has been replaced, as described in steps 1

and 2 of Verifying component failure.

3. Verify that the Operational state displays Good.

4. Check the Firmware revision field for both I/O module A and B:

•If the firmware versions match, verification is complete.

•If the firmware versions do not match, wait an additional five

minutes. Then, refresh the browser (in which you are viewing

HP Command View EVA) and check the firmware versions again.

If they still do not match, continue with step 5.

5. Remove the replacement I/O module and install it again. Repeat

the verification procedure (steps 1 through 4).

6. If the firmware versions still do not match, contact your HP-authorized

representative for assistance.

7. Check all disk enclosures (including the I/O modules and disk drives)

that are connected to the disk enclosure in which the I/O module

was replaced and verify that all components show a good

operational state.

Page 2

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