SHUTDOWN THIS_CONTROLLER
This document contains instructions to replace or upgrade dual inline
memory modules (DIMMs) in a cache module for an HSG60, HSG80, NOTE: After the controller shuts down, the reset button and the first three light
HSJ80, or HSZ80 subsystem. emitting diodes (LEDs) turn ON (see Figure 4). This might take several minutes to
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1 happen, depending on the amount of data that needs to be flushed from the cache
REPLACING DIMMS NOTE: For instructions on upgrading a single-controller configuration to a module.
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2
dual-redundant controller configuration, see the appropriate array controller user guide
or maintenance and service guide. Proceed only after the reset button stops FLASHING and remains ON.
IN AN HSX80 General Information 1
2
CACHE MODULE Figure 1, Figure 2, and Figure 3 provide general information about the
cache module.
1 2 3 4 5 6
5
CXO6991A
Figure 4. Controller reset button and first three LEDs
4
IMPORTANT: For Model 2100 and 2200 enclosures, omit step 6 and step 7. The ECB does
CXO6576B
not contain switches or use ECB Y-cables.
1 Memory DIMMs Q u a n ti ty Location
CAUTION: The ECB must be disabled--the status LED is OFF--before
64 MB 32 MB 2
~ disconnecting the ECB Y-cable from the cache module. Failure to disable the ECB
might damage the cache module.
128 MB 32 MB 4
2
256 MB 128 MB 2
3 6. Disable the ECB by pressing the battery disable switch until the status
512 MB 128 MB 4 LED stops FLASHING--approximately five seconds.
CXO5714B
7. Disconnect the ECB Y-cable from the cache module.
Figure 3. Cache module memory configurations
Open Card Completely Before Cache memory power LED
8. Disengage both retaining levers, remove the cache module, and place
Beginning Installation Procedures ECB Y-cable (not used on the Model 2100 and 2200 enclosure)
the cache module on an antistatic bag or a grounded antistatic mat.
IMPORTANT: Regardless of the array controller software (ACS) version, in dual-redundant
Retaining lever
configurations, both cache modules must contain the same memory configuration.
9. Press down on the DIMM retaining clips (see Figure 5, ) at both ends
Backplane connector
of the DIMM being removed.
DIMM
HSJ80 controllers and some HSG80 controller configurations require a 512 MB cache
memory configuration. Make sure the cache memory configuration meets or exceeds the
European Union Notice NOTE: To make pressing down on the DIMM retaining clips easier, consider using the
Figure 1. Cache module ACS requirement. eraser end of a pencil or a small screwdriver.
Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the
NOTE: In Figure 2, the environmental monitoring unit (EMU) and power verfication
Low Voltage Directive (73/23 EEC) issued by the Commission of the European Community.
If subsystem downtime is not crucial, Compaq recommends using the following section to
assembly (PVA) modules only exist in BA370 enclosures. The controller and cache
Compliance with these directives implies conformity to the following European Norms (in
) replace DIMMs for all ACS versions. Otherwise, follow the ACS-specific procedure for the
module locations ( through are consistent with other Compaq StorageWorksTM
brackets are the equivalent international standards): current controller configuration.
controller enclosures.
s EN 55022 (CISPR 22) Electromagnetic Interference
s EN 50082-1 (IEC 801-2, IEC 801-3, IEC 801-4) Electromagnetic Immunity
s EN 60950 (IEC 950) Product Safety
Replacing DIMMs in a Single-Controller
EMU (BA370
2
1
enclosure only) Configuration or Upgrading Cache Memory
NOTICE PVA (BA370
3 1
2000 Compaq Computer Corporation. enclosure only) Use the steps in "Removing DIMMs" and "Installing DIMMs" to replace
DIMM
Controller A
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COMPAQ, Compaq logo, and StorageWorks Reg. U.S. Pat. & Tm. Off. Microsoft, Windows, DIMMs in a cache module. To upgrade cache memory, use step 2 through
DIMM slot
Controller B
and Windows NT are trademarks of Microsoft Corporation. All other product names
step 8 in the "Removing DIMMs" section and all of the "Installing
DIMM
Cache A
6
5
mentioned herein may be trademarks of their respective companies.
DIMMs" section. 2
Cache B retaining clip
THE INFORMATION IN THIS PUBLICATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
CXO6283B
ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF THIS INFORMATION REMAINS
CAUTION: Static electricity can easily damage a cache module or a DIMM. Wear a
WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE LIABLE FOR ANY DIRECT, 3
snug-fitting, grounded electrostatic discharge (ESD) wrist strap.
CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE OR OTHER DAMAGES WHATSOEVER Figure 2. Cache module locations
(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS
INTERRUPTION OR LOSS OF BUSINESS INFORMATION), EVEN IF COMPAQ HAS BEEN
Removing DIMMs
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND WHETHER IN AN ACTION OF
CONTRACT OR TORT, INCLUDING NEGLIGENCE.
Use the following steps to remove DIMMs from a cache module:
The limited warranties for Compaq products are exclusively set forth in the
CXO6577B
documentation accompanying such products. Nothing herein should be construed as 1. If the controller is operating, connect a PC or terminal to the controller
constituting a further or additional warranty. maintenance port.
Figure 5. Removing or installing a DIMM
If the controller is not operating, go to step 6.
10. Gently remove the DIMM from the DIMM slot and place the DIMM
2. From the host console, stop all host activity to the controllers and
in an antistatic bag or on a grounded antistatic mat.
dismount the logical units in the subsystem.
REPLACING DIMMS IN AN HSx80 CACHE MODULE
11. Repeat step 9 and step 10 for each DIMM.
3. If using a Microsoft Windows NT or Windows 2000 platform, shut
Third Edition (December 2000)
down the server.
Part Number: 196744-023
EK80DIMIM. C01 4. Run the fault management utility (FMU) to obtain the last failure
Compaq Computer Corporation codes, if desired.
See other side
Installing DIMMs Replacing DIMMs in Dual-Redundant Controller a. Disengage both retaining levers and partially remove the "other
CAUTION: Wait for FRUTIL to quiesce the device ports--indicated by an "All
controller" cache module--about halfway.
Configurations device ports quiesced" message. Failure to allow the ports to quiesce might result
Use the following steps to install DIMMs in a cache module:
in data loss. Quiescing might take several minutes.
CAUTION: The ECB must be disabled--the ECB status light is OFF--before
Use the steps in "Removing DIMMs" and "Installing DIMMs" to replace
IMPORTAN T: New cache modules arrive without DIMMs installed--the DIMMs are connecting the ECB Y-cable to the cache module. Failure to disable the ECB might The ECB must be disabled--the status LED is OFF--before disconnecting the ECB
DIMMS in a cache module.
packaged separately. Unpack the DIMMs and install them into the cache module as result in cache module damage. cable from the cache module. Failure to disable the ECB might damage the cache
required.
module.
CAUTION: Static electricity can easily damage a cache module or a DIMM. Wear a
Both cache modules must contain the same memory configuration for the ACS version. Use b. Disable the ECB by pressing the battery disable switch until the
snug-fitting, grounded ESD wrist strap. Carefully align the cache module in the appropriate guide rails. Misalignment
Figure 3 for valid cache module memory configurations. status light stops blinking--approximately 5 seconds. might damage the backplane.
c. Rem ove the cache module:
NOTE: Both cache modules must contain the same memory configuration for the ACS
HSJ80 controllers and some HSG80 controller configurations require a 512 MB cache
version. Use Figure 3 for valid cache module memory configurations.
memory configuration. Make sure the cache memory configuration meets or exceeds the 1) Disconnect the ECB cable from the "other controller" cache IMPORTANT: A countdown timer allows a total of two minutes to install the cache module.
ACS requirement.
module.
Removing DIMMs After two minutes, "this controller" will exit FRUTIL and resume operations. If this happens,
)
return to step 7 and proceed.
2) Rem ove the cache module from the enclosure.
1. Insert each DIMM (see Figure 5, straight into the appropriate slot Use the following steps to remove DIMMs from a cache module:
of the cache module (see Figure 3), ensuring that the notches in the 11. Place the cache module on an antistatic bag or a grounded antistatic
12. Follow on-screen instructions to install the cache module and to restart
1. Connect a PC or terminal to the maintenance port of the operational
DIMM align with the tabs in the slot. mat.
the "other controller."
controller.
2. Press the DIMM gently into the slot until seated at both ends. 12. Enter N(o) to the question for a replacement cache module.
for the DIMM.
The controller connected to the PC or terminal becomes "this NOTE: A controller restart can take as long as 60 sec, indicated by the temporary
3. Engage the two retaining clips FRUTIL will exit.
controller"; the controller for the cache module being removed cycling of the port LEDs and a FLASHING reset button.
) at both ends
becomes the "other controller."
4. Make sure both ends of the DIMM are firmly seated in the slot and 13. Press down on the DIMM retaining clips (see Figure 5,
both retaining clips engage the DIMM. IMPORTANT: If the "other controller" did not restart, use the following steps:
of the DIMM being removed.
2. For HSJ80 controllers:
1. Press and hold the "other controller" reset button.
5. Repeat step 1 through step 4 for each DIMM. a. Prefer all units to "this controller" with the following command: 2. Reseat the "other controller" program card.
NOTE: To make pressing down on the DIMM retaining clips easier, consider using the
3. Release the reset button.
eraser end of a pencil or a small screwdriver.
SET unit-number PREFERRED_PATH=THIS_CONTROLLER
CAUTION: Carefully align the cache module in the appropriate guide rails.
14. Gently remove the DIMM from the DIMM slot and place the DIMM
Misalignment might damage the backplane. b. Disable the computer interconnect (CI) bus paths with the 13. Enable failover and reestablish the dual-redundant configuration with
in an antistatic bag or on a grounded antistatic mat.
following commands: the following command:
15. Repeat step 13 and step 14 for each DIMM.
6. Insert the cache module into the appropriate bay and engage the SET OTHER_CONTROLLER NOPORT_1_PATH_A SET FAILOVER COPY=THIS_CONTROLLER
retaining levers. SET OTHER_CONTROLLER NOPORT_1_PATH_B or
Installing DIMMs
SET OTHER_CONTROLLER NOPORT_2_PATH_A SET MULTIBUS_FAILOVER COPY=THIS_CONTROLLER
IMPORTAN T: For Model 2100 and 2200 enclosures, omit step 7 and step 8. The ECB does Use the following steps to install DIMMs in a cache module.
SET OTHER_CONTROLLER NOPORT_2_PATH_B
This command copies the subsystem configuration from "this
not contain switches or use ECB Y-cables.
controller" to the "other controller."
NOTE: The display of an error message, indicating that the subsystem was unable to IMPORTANT: New cache modules arrive without DIMMs installed--the DIMMs are
run down certain units on the "other controller," is a timing issue. If this occurs, repeat 14. If desired, verify the failover configuration with the following
packaged separately. Unpack the DIMMs and install them into the cache module as
these SET commands.
CAUTION: The ECB must be disabled--the status LED is OFF--before required. command:
disconnecting the ECB Y-cable from the cache module. Failure to disable the ECB
3. Disable failover and take the controllers out of the dual-redundant SHOW THIS_CONTROLLER FULL
might damage the cache module. Both cache modules must contain the same memory configuration for the ACS version. Use
configuration with one of the following commands:
Figure 3 for valid cache module memory configurations. 15. For HSJ80 controllers:
SET NOFAILOVER
7. If not already done, disable the ECB by pressing the battery disable
a. Enable CI bus paths with the following commands:
HSJ80 controllers and some HSG80 controller configurations require a 512 MB cache
or
switch until the status LED stops FLASHING--approximately five
memory configuration. Make sure the cache memory configuration meets or exceeds the
SET NOMULTIBUS_FAILOVER
seconds. SET THIS_CONTROLLER PORT_1_PATH_A
ACS requirement.
SET THIS_CONTROLLER PORT_1_PATH_B
8. Connect the ECB Y-cable to the cache module. 4. Start the field replacement utility (FRUTIL) with the following
) SET THIS_CONTROLLER PORT_2_PATH_A
command: 1. Insert each DIMM (see Figure 5, straight into the appropriate slot
9. If not already connected, connect a PC or terminal to the controller SET THIS_CONTROLLER PORT_2_PATH_B
of the cache module (see Figure 3), ensuring that the notches in the
RUN FRUTIL
maintenance port.
DIMM align with the tabs in the slot. b. Remove the preferred path on all units with the following
10. Restart the controller by pressing the reset button. 5. Enter N(o) to the question about replacing the cache battery. command:
2. Press the DIMM gently into the slot until seated at both ends.
6. Enter 1, Replace or remove a controller or cache module, from the
for the DIMM.
NOTE: A controller restart can take as long as 60 sec, indicated by the temporary SET unit-number NOPREFERRED_PATH
3. Engage the two retaining clips
FRUTIL Main menu.
cycling of the port LEDs and a FLASHING reset button.
16. Disconnect the PC or terminal from the controller maintenance port.
4. Make sure both ends of the DIMM are firmly seated in the slot and
7. Enter 3, Other cache module, from the Replace or Remove Options
both retaining clips engage the DIMM.
IMPORTAN T: If the controller did not restart, use the following steps: menu to remove the "other controller" cache module.
This completes the hardware installation.
1. Press and hold the controller reset button.
5. Repeat step 1 through step 4 for each DIMM.
8. Enter Y(es) to confirm the intent to remove the "other controller" cache
2. Reseat the controller program card.
3. Release the reset button. module. 6. If not already connected, connect a PC or terminal to the operational
controller.
11. From the CLI prompt, display details about the configured controller CAUTION: Wait for FRUTIL to quiesce the device ports--indicated by an "All
The controller connected to the PC or terminal becomes "this
using the following command: device ports quiesced" message. Failure to allow the ports to quiesce might result
controller"; the controller for the cache module being installed
in data loss. Quiescing might take several minutes.
SH OW THIS_CONTROLLER FULL becomes the "other controller."
The ECB must be disabled--the status LED is OFF--before disconnecting the ECB 7. Start FRUTIL with the following command:
NOTE: Step 12 is optional for HSJ80 controllers.
cable from the cache module. Failure to disable the ECB might result in cache
RUN FRUTIL
12. [HSG60, HSG80 and HSZ80 only] Set the date and time using the module damage.
following command:
8. Enter N(o) to the question about replacing the cache battery.
SET THIS_CONTROLLER TIME=dd-mmm-yyyy:hh:mm:ss
9. Enter 2, Install a controller or cache module, from the FRUTIL Main
IMPORTAN T: A countdown timer allows a total of two minutes to remove the cache
menu.
13. Mount the logical units on the host. module. After two minutes, "this controller" will exit FRUTIL and resume operations. If this
happens, return to step 4 and proceed.
10. Enter 3, Other cache module, from the Install Options menu to install
14. If using a Windows NT or Windows 2000 platform, restart the server.
the "other controller" cache module.
15. Disconnect the PC or terminal from the controller maintenance port. 9. For Model 2100 and 2200 enclosures, disengage both retaining levers
11. Enter Y(es) to confirm the intent to install the "other controller" cache
and remove the "other controller" cache module.
module.
10. For other enclosures:
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