HP Surestore Disk Array 12h - And FC60 Bedienungsanleitung

C5445-90903 1

HP SureStore E Disk Array 12H Controller

This document explains how to install batteries, download firmware into a disk array controller, and how to

replace an array controller.

About Battery Packs

If your disk array goes without power, the controller batteries are capable of retaining data in NVRAM for a

minimum of one week. Always perform a successful Shutdown before replacing the batteries. For further

protection, battery packs should be replaced one at a time, so that there is always at least one battery

providing power for memory backup. If the disk array power is to be turned off for an extended period of

time (more than five days), then the NVRAM memory maps should be saved to disk (by successful

Shutdown) and both battery packs should be disconnected to prevent damage to the battery packs and the

controller.

Disk Array Controller

Customer Part Number:

C5445-90903

Printed in U.S.A.

June 2001

Edition 7

E0601

Manufacturing Part Number

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*A3700-96030*

Installing Controller Batteries

Two battery packs, part number 1420-0532, must be installed in each controller module before the module

can be used. Two battery packs are shipped with each new controller module. In the disk array shipping

carton, the batteries are located in a cardboard sleeve next to the array controller.

To install the controller battery packs, do the following (see Figure 1):

1. If the battery cover latch is not already removed, press down on the battery cover latch.

2. If the battery cover latch is not already removed, remove the battery cover latch and then remove the

RFI shield (if necessary, you can use a flat-bladed screwdriver to remove the RFI shield).

3. Install both battery packs, and connect the cables as shown.

4. Reinstall the RFI shield and the battery cover latch.

CAUTION! Make sure you reinstall the battery cover latch carefully, so each of the locking

tabs (see Figure 1, View 5, Items 1 and 2) slide beneath the battery compartment. If the

battery cover latch is not secured properly, it could prevent the removal of the controller

module once it is installed in the disk array enclosure.

After new battery packs are installed, and the array controllers are installed and powered on, about one

minute is required before the “Battery Discharged” message on the control panel disappears. About twelve

hours are required to fully charge new battery packs. During this time, a “Battery Charging” message will

be displayed on the control panel.

Figure 1. Installing the Controller Batteries

Replacing Controller Batteries

This procedure is different than installing batteries the first time the disk array is used, since replacing

batteries assumes that you have valuable data stored on your disk array. Many factors affect battery life,

including not only time of battery use, but also time of battery storage. Controller batteries should be

replaced every three years, or sooner if the display module indicates a constant “Battery Discharged”

message.

To replace controller batteries, do the following (see Figure 1):

CAUTION! If the disk array power is on, you should always perform a successful

Shutdown using the control panel to avoid loss of data before replacing a controller

battery. If a message appears on the control panel display indicating that the Shutdown

did not complete successfully, the disk array WILL LOSE DATA if you remove the batteries.

In this case, you should perform the following steps:

1. Install a second (functional) controller.

2. Wait about two minutes for the data to be posted from the controller with the bad

batteries to the second controller. The “Ready” message appears at this time.

3. Remove the controller with the bad batteries, and install new batteries.

The controller batteries are Ni-Cad (Nickel Cadmium) type batteries. When replaced, these

batteries must be recycled or disposed of properly. Replace batteries only with the same

type.

1. Press down on the battery cover latch.

2. Remove the battery cover latch and RFI shield (if necessary, you can use a flat-bladed screwdriver to

remove the RFI shield).

3. Disconnect the cable from the controller PCA to ONE of the battery packs.

4. Replace the first battery pack with a new battery pack, and reconnect the cable.

5. Disconnect the cable from the controller PCA to the other battery pack.

6. Replace the second battery pack with a new battery pack, and reconnect the cable.

7. Reinstall the RFI shield and the battery cover latch.

Downloading Array Controller Firmware

When two controllers are installed in the disk array enclosure (dual controllers), both controllers must have

the same version of firmware. If you update (or download) new firmware, the new firmware is copied to

both controllers. When a controller is replaced, however, the replacement controller may have a later

version of firmware than the currently installed controller.

If the installed controllers have different versions of firmware, you will get an error message on the display

panel that says, “Firmware Needed.” In this case, you must copy the desired version of firmware from one

controller to the other. Copy Firmware always copies from the PRIMARY to the SECONDARY controller.

Firmware can be copied using ARMServer (download –m) or the front panel (Copy Firmware). You can

also download the desired version of firmware from a file to both array controllers simultaneously using the

ARMServer (AutoRAID Manager).

NOTE! The Download utility is described in further detail in the System Administrator’s Guide,

which is shipped with each disk array.

Before Beginning Firmware Download

Before you begin any of the following download procedures, have the following ready:

• Get <array-id> using ARMServer (arraydsp –i) or front panel (View Settings, Array S/N).

You may also use the raw device file that is connected to the array.

NOTE! Alphabetic characters in the Array Serial Number are CASE SENSITIVE! Once you have

the Array S/N, it may be easier to define the long serial number string as an alias. To create an

alias for the Array S/N of 000000057D22, for example:

On HP-UX or MPE systems: # export <id>=000000057D22 (use $id in place of <array-id>)

On Windows NT systems: C:\>set <id>=000000057D22 (use %id% in place of <array-id>)

• Obtain the desired version of firmware and determine its <codefilename> (filename) and location

(path). If you are downloading firmware, you must know the source of your firmware. The firmware

could be on an installed controller, on a replacement controller, or from a file. Make sure you know

which controller contains the desired version of firmware. If the desired version of firmware is not on

any controller but is in a file, make sure you know the location (path) to the file and its filename.

Other Considerations About the Firmware Download Process

NOTE! For Windows NT Systems: Since the Download utility does not support long directory

names, it is better to change to the directory where the firmware is located first, and then the

<codefilename> is simply the filename of the firmware. Otherwise, a path with a directory

named “Program Files” will have to be entered as its MS-DOS directory name equivalent, for

example:

download –C c:\Progra~1\AutoRAID\Fw\Model_12H_HP26.fw 000000057D22

• If the array does not show up using ARMServer (arraydsp –i), you may have to re-connect to

“see” the array using the ARMServer (arraydsp –R) command, which scans the bus for all arrays.

This command can take a few seconds to execute. Once re-connected, you will “see” the array again.

Firmware Download Procedure

See the flowcharts (Figure 2 and Figure 3) to determine which download procedure to follow. Pick the

appropriate procedure.

NOTE! This procedure assumes that the Model 12 and HP SureStore E Disk Array 12H

controllers have been updated to at least HP25 and HP24 firmware revisions, respectively.

If they have not been updated to these versions of firmware, then refer to the service notes

indicated below to update the array before continuing.

• A3515A-03, A3516A-03, and A3516Z-01 HP AutoRAID Disk Array for the Model 12

• A3700A-01, A3700-AD-01, and A3700AZ-01 HP AutoRAID Disk Array for the HP

SureStore E Disk Array 12H

NOTE! It is required that a backup of the array be performed before downloading the

firmware.

CAUTION! Follow all the procedures exactly as described. If you fail to follow the

procedures exactly, you could lose data!

CAUTION! In upgrading to HP40 or later firmware for the purpose of using 36-Gigabyte

disk drives, it is important that the controller firmware be upgraded before adding the 36-

Gigabyte disk drives, as any data written on those disk drives using any controller

firmware previous to version HP40 will be lost!

Figure 2. Downloading Controller Firmware Flowchart

Downloading Controller Firmware

NOTE: Downloading firmware is an offline process. In most cases, the LUNs on the array need

to be either un-mounted or deactivated from the volume group.

Perform procedure

Download D

Downloading firmware

via the 'dfdutil' utility

(download boot V-Class)

Is controller

firmware available

on the host

system?

Yes

Is the disk array

a boot device? Is the system a

V-Class?

Yes

Perform procedure"

Download

Downloading firmware from

a file using ARMServer

(download non boot)

Perform procedure"

Download C

Downloading firmware via off line

diagnostic ARDIAG

(download boot not V-Class).

Yes

Do you have a

third controller with

the desired

firmware?

Perform procedure "

Download B

Downloading firmware from a

third controller

(download from third controller)

Yes

In order to download firmware, you either need the firmware file on the system or in a controller.

For more information on downloading firmware, refer to either the User's and Service Manual or the

System Administrator's Guide. Both documents can be found on ESBU's Intranet web page at

http://essd.boi.hp.com or on the World Wide Web at http://www.hp.com/go/support

Operating System

Windows NT?

Yes

Perform the

Download Windows NT

Procedure

Figure 3. Replacing an Array Controller Flowchart

Replacing an Array Controller

NOTE: In some cases, you may need to download firmware when replacing a controller.

Downloading firmware is an offline process. In most cases, the LUNs on the array need

to be either un-mounted or deactivated from the volume group.

Does the replacement

controller have the same

firmware that is in the disk

array?

Perform procedure "

Replace A

Replacing controller and firmware

matches

(replace matching)

Yes

Is the disk array a

boot device?

Perform procedure "

Replace C

Replacing controller on boot device

and firmware does NOT match

(replace boot)

Perform procedure "

Replace B

Replacing controller and firmware

does NOT match

(replace non boot)

Yes

Does this disk

array have a single

controller?

Yes (Single Controller)

(Dual Controller)

Perform procedure "

Replace D

Replacing a Single Controller

(replace single)

Links to Downloading Firmware:

Download Windows NT

Download A) Downloading Disk Array Firmware from a File Using ARMServer (AutoRAID Manager)

Download B) Downloading Disk Array Firmware from a “Third” Controller Using the Front Panel

Download C) Downloading Disk Array Firmware from a File Using Off-Line Diagnostics (ARDIAG)

Download D) Downloading Disk Array Firmware from a File on a V-Class system using dfdutil Utility

Links to Replacing an Array Controller:

Replace A) Replacing an Array Controller (Version of Firmware on the Replacement Array Controller

Matches Version of Firmware on the Installed Array Controllers)

Replace B) Replacing an Array Controller In an Array that IS NOT used as a boot device and the Version

of Firmware on the Replacement Array Controller DOES NOT Match Version of Firmware on the Installed

Array Controllers.

Replace C) Replacing an Array Controller in an Array that is Used as a Boot Device (Version of Firmware

on the Replacement Array Controller DOES NOT Match Version of Firmware on the Installed Array

Controllers)

Replace D) Replacing an Array Controller in an Array with one controller installed.

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