Note – This document is intended for use by authorized Sun service
providers, and the procedures described in this document should be
performed only by authorized Sun service providers.
Sun Microsystems, Inc.
www.sun.com
Part No. 817-4411-10
November 2003, Revision A
Submit comments about this document at: http://www.sun.com/hwdocs/feedback
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Split Backplane Configurations
Note – This document is intended for use by authorized Sun service providers, and
the procedures described in this document should be performed only by authorized
Sun service providers.
Two new backplane configurations are available for Sun Fire V880 servers that are
equipped with both a base backplane and an expansion backplane:
■ Split backplane single-loop configuration
■ Split backplane dual-loop configuration
The new configurations provide customers with enhanced hardware redundancy
and data availability. See “About the Split Backplane Configurations” on page 2 for a
description of the new configurations.
This document includes the following sections, which provide the setup instructions
for the new configurations and useful reference information:
■ “Related Documentation” on page 2
■ “About the Split Backplane Configurations” on page 2
■ “Firmware Patches Required” on page 3
■ “Hardware Parts Required” on page 3
■ “How to Set Up the Split Backplane Single-Loop Configuration” on page 4
■ “How to Set Up the Split Backplane Dual-Loop Configuration” on page 10
■ “Reference for Connector Locations” on page 19
■ “Reference for PCI Slot Locations” on page 21
1
Related Documentation
You will need the following documents to complete the setup procedures:
■ Sun Fire 880 Server Service Manual (part number 806-6597)
■ Sun Fire 880 Server Owner’s Guide (part number 806-6592)
About the Split Backplane
Configurations
The procedures in this document enable you to set up the new split backplane
configurations for Sun Fire V880 servers that are equipped with both a base
backplane and an expansion backplane. Before you perform the procedures:
■ Verify that the prerequisite firmware patches have been installed. See “Firmware
Patches Required” on page 3.
■ Check that you have the correct network adapters and data cables. See
“Hardware Parts Required” on page 3.
Following are brief descriptions of the new configurations:
■ Split backplane single-loop configuration. In this configuration, one PCI Dual
Fibre Channel Network Adapter+ connects to and controls Loop A of the
expansion backplane while the on-board controller manages Loop A of the base
backplane. This single-loop configuration forms two 6-disk arrays and enables
each backplane to control and maintain the integrity of its own FC-AL loop
configuration.
■ Split backplane dual-loop configuration. In this configuration, three PCI Dual
Fibre Channel Network Adapters+ provide an independent dual-loop capability
for each backplane. The dual-loop configuration provides FC-AL controller
redundancy for each backplane:
■ Base backplane. One PCI Dual Fibre Channel Network Adapter+ connects to
and controls Loop B of the base backplane. With the on-board controller
managing FC-AL operations on Loop A, the network adapter provides a dualloop capability for the base backplane.
■ Expansion backplane. Two PCI Dual Fibre Channel Network Adapters+
connect to the expansion backplane. One network adapter connects to Loop A,
and the second network adapter connects to Loop B, providing a dual-loop
capability for the expansion backplane.
2Split Backplane Configurations • November 2003
Firmware Patches Required
Before the Solaris operating environment can recognize the split backplane
configurations, the following patches must be installed to upgrade the Sun Fire V880
server fibre channel backplane firmware:
■ For systems running the Solaris 8 operating environment, install Patch 111474-07
or later.
■ For systems running the Solaris 9 operating environment, install Patch 113312-02
or later.
The minimum OpenBoot
TM
firmware level is version 4.7.5. The recommended
OpenBoot firmware level is version 4.10.8 (patch ID 112186-10) or later.
These patches are available on the SunSolve
SM
web site:
http://sunsolve.sun.com
Hardware Parts Required
To set up the split backplane configurations, you need PCI Dual Fibre Channel
Network Adapters+ and fibre channel cables in the quantities shown in the
following table.
How to Set Up the Split Backplane
Single-Loop Configuration
Before You Begin
Before you begin to set up the split backplane single-loop configuration, verify that
the fibre channel backplane firmware has been upgraded with the appropriate
software patch cited in “Firmware Patches Required” on page 3. If the firmware is
not upgraded, install the appropriate patch as instructed in the README document
for the patch. Both the patch and the README document are available on the
SunSolve web site.
The following procedure is based on the assumption that the expansion backplane is
already installed. If you need to install the expansion backplane, see the Sun Fire 880Server Service Manual (part number 806-6597) for instructions.
What to Do
To set up the split backplane single-loop configuration, complete the following steps:
Caution – Printed circuit boards contain electronic components that are extremely
sensitive to static electricity. Ordinary amounts of static from your clothes or the
work environment can destroy components. Do not touch the components or any
metal parts without taking proper antistatic precautions. When performing the setup
instructions, place the network adapter board on an antistatic surface and use an
antistatic wrist strap.
1. Set the OpenBoot configuration variable auto-boot? to false.
2. Power off the server.
3. Remove the primary and secondary I/O fan tray assemblies.
See the Sun Fire 880 Server Service Manual for instructions.
4. Disconnect the following cables (if installed) from the expansion backplane and
the base backplane:
For cable connector locations, see “Reference for Connector Locations” on page 19.
4Split Backplane Configurations • November 2003
a. Base/expansion cable from both base and expansion backplanes connectors
J0801.
b. FC-AL data cable from base backplane connectors J01103 and J01102, and from
expansion backplane connectors J01101 and J01100.
c. FC-AL data cable from expansion backplane connectors J0201 and J0200, and
from base backplane connectors J0501 and J0500.
5. Choose a slot for the PCI Dual Fibre Channel Network Adapter+.
For higher throughput, select one of the 66-MHz slots (PCI slot 7 or 8). See
“Reference for PCI Slot Locations” on page 21.
6. Install the PCI Dual Fibre Channel Network Adapter+.
See the Sun Fire 880 Server Service Manual for PCI card installation instructions.
The network adapter contains two external optical transceiver connectors, located on
the spine of the adapter. Pull the dust cover from each external connector before you
install the adapter.
After you install the network adapter, replace the dust cover on the Port 1 connector.
In this configuration, Port 1 of the network adapter cannot be used to connect to
external devices. Use only Port 2 to connect to external devices.
7. Connect the new FC-AL data cable (P3 and P4) to connectors J3 (P3) and J4 (P4) on
the PCI Dual Fibre Channel Network Adapter+ and to expansion backplane
connectors (C) J0200 and (D) J0201.
Note – Route the FC-AL data cable under the I/O fan tray assembly brackets and
along the floor of the I/O compartment. Use tie-wraps to secure the FC-AL data
cable to the tie-wrap notches on the I/O compartment floor.
8. Install the primary and secondary I/O fan tray assemblies and check that the
FC-AL data cable does not interfere with the fans. If necessary, use tie-wraps to
attach the cable to the internal wall near the backplanes.
Caution – Be sure that the cable plug you removed from connector J0801 does not
interfere with the fans. You can use the cable fasteners on the internal wall near the
expansion backplane to bundle the cable plug with the cables routed along the
internal wall.
Caution – Before you power on the system, be sure that the front and side doors
and all plastic outer panels are properly installed.
Setup Instructions for Sun Fire V880 Server5
9. Power on the system and access the ok prompt.
See “How to Initiate a Reconfiguration Boot” in the Sun Fire 880 Server Owner ’s
Guide.
10. Verify that all disks and network adapters are recognized by the OpenBoot
PROM. At the ok prompt, type the probe-scsi-all command.
ok probe-scsi-all
/pci@9,600000/pci@1/SUNW,qlc@5
/pci@9,600000/pci@1/SUNW,qlc@4
LiD HA LUN --- Port WWN --- ----- Disk description -----
Unit 0 Removable Read Only device TOSHIBA DVD-ROM SDM14011009
6Split Backplane Configurations • November 2003
11. Perform a reconfiguration boot of the Solaris software. At the ok prompt, type the
boot -r command.
ok boot -r
12. Verify that Solaris recognizes both the base and expansion backplanes. At the
Solaris prompt, type the luxadm probe command.
# luxadm probe
Found Enclosure(s):
SUNWGS INT FCBPL Name:FCloop Node WWN:508002000017c4d8
Logical Path:/dev/es/ses0
SUNWGS INT FCBPL Name:FCloop Node WWN:50800200001cb798
Logical Path:/dev/es/ses2
The luxadm probe command displays the enclosure name, World Wide Number,
and logical path name for each FC-AL backplane. Notice that the display shows the
same enclosure name (FCloop in the example) for both backplanes. Also note the
logical path name of each device. You need this information to perform Step 13.
13. Change the enclosure name of one of the FC-AL backplanes. Type the
luxadm enclosure_name command.
Each backplane must have a unique enclosure name. Use the luxadm
enclosure_name command to assign a unique name by changing one of the
enclosure names as shown in the following example.
To change the enclosure name, assign the new name (FCloop2 in the example) and
enter the path name (/dev/es/ses2 in the example) of the appropriate backplane.
You obtained the path name from the luxadm probe command output shown in
Step 12.
# luxadm enclosure_name FCloop2 /dev/es/ses2
Note – There is no output from the luxadm enclosure_name command.
Setup Instructions for Sun Fire V880 Server7
14. Verify that the Solaris software recognizes the correct enclosure name for each
backplane. Type the luxadm probe command.
Notice that the output example now shows a unique name (FCloop and FCloop2 in
the example) for each backplane.
# luxadm probe
Found Enclosure(s):
SUNWGS INT FCBPL Name:FCloop Node WWN:508002000017c4d8
Logical Path:/dev/es/ses0
SUNWGS INT FCBPL Name:FCloop2 Node WWN:50800200001cb798
Logical Path:/dev/es/ses2
15. Verify that the Solaris software recognizes all disks attached to each backplane.
Type the luxadm display command and specify the enclosure name for each
backplane.
In the following example, the base backplane (FCloop in the example) has six
attached disks in slots 0 - 5.
How to Set Up the Split Backplane
Dual-Loop Configuration
Before You Begin
Before you begin to set up the split backplane dual-loop configuration, verify that
the fibre channel backplane firmware has been upgraded with the appropriate
software patch cited in “Firmware Patches Required” on page 3. If the firmware is
not upgraded, install the appropriate patch as instructed in the README document
for the patch. Both the patch and the README document are available on the
SunSolve web site.
The following procedure is based on the assumption that the expansion backplane is
already installed. If you need to install the expansion backplane, see the Sun Fire 880Server Service Manual (part number 806-6597) for instructions.
10Split Backplane Configurations • November 2003
What to Do
To set up the split backplane dual-loop configuration, complete the following steps:
Caution – Printed circuit boards contain electronic components that are extremely
sensitive to static electricity. Ordinary amounts of static from your clothes or the
work environment can destroy components. Do not touch the components or any
metal parts without taking proper antistatic precautions. When performing the setup
instructions, place the network adapter boards on an antistatic surface and use an
antistatic wrist strap.
1. Set the OpenBoot configuration variable auto-boot? to false.
2. Power off the server.
3. Remove the primary and secondary I/O fan tray assemblies.
See the Sun Fire 880 Server Service Manual for instructions.
4. Disconnect the following cables (if installed) from the expansion backplane and
the base backplane:
For cable connector locations, see “Reference for Connector Locations” on page 19.
a. Base/expansion cable from base and expansion backplane connector J0801.
b. FC-AL data cable (Loop B) from base backplane connectors J01103 and J01102
and from expansion backplane connectors J01101 and J01100.
c. FC-AL data cable (Loop A) from expansion backplane connectors J0201 and
J0200 and from base backplane connectors J0501 and J0500.
5. Choose the slots for the PCI Dual Fibre Channel Network Adapters+.
For easy cable routing, plan to install two of the PCI Dual Fibre Channel Network
Adapters+ in any two of PCI slots 0 - 6 and the other network adapter in PCI slot 7
or 8. Installing the network adapters in these slots enables you to route all three
cables along the floor of the I/O compartment. See “Reference for PCI Slot
Locations” on page 21.
6. Install the three PCI Dual Fibre Channel Network Adapters+.
See the Sun Fire 880 Server Service Manual for PCI card installation instructions.
The network adapter contains two external optical transceiver connectors, located on
the spine of the adapter. Pull the dust cover from each external connector before you
install the adapters.
After you install the network adapters, replace the dust covers on the Port 1
connectors. In this configuration, Port 1 of the network adapters cannot be used to
connect to external devices. Use only Port 2 to connect to external devices.
Setup Instructions for Sun Fire V880 Server11
7. Connect the three new FC-AL data cables as follows:
a. For one of the PCI Dual Fibre Channel Network Adapters+ in one of the slots 0
to 6, connect a new FC-AL data cable (P3 and P4) from network adapter
connectors J3 (P3) and J4 (P4) to expansion backplane connectors (C) J0200 and
(D) J0201.
b. For the other PCI Dual Fibre Channel Network Adapter+ in one of the slots 0 to
6, connect a new FC-AL data cable (P3 and P4) from network adapter connectors
J3 (P3) and J4 (P4) to expansion backplane connectors (C) J01100 and (D) J01101.
c. For the PCI Dual Fibre Channel Network Adapter+ in slot 7 or 8, connect a new
FC-AL data cable (P3 and P4) from network adapter connectors J3 (P3) and J4
(P4) to base backplane connectors (C) J01100 and (D) J01101.
Note – Route the FC-AL data cables under the I/O fan tray assembly brackets and
along the floor of the I/O compartment. Use tie-wraps to secure the FC-AL cables to
the tie-wrap notches on the I/O compartment floor.
Note – If you install Loop B, you must also install Loop A or the backplanes will not
initialize.
8. Install the primary and secondary I/O fan tray assemblies and check that the
FC-AL cables do not interfere with the fan. If necessary, use tie-wraps to attach the
cables to the internal wall near the FC-AL backplanes.
Caution – Be sure that the cable plug you removed from connector J0801 does not
interfere with the fans. You can use the cable fasteners on the internal wall near the
expansion backplane to bundle the cable plug with the cables routed along the
internal wall.
Caution – Before you power on the system, be sure that the front and side doors
and all plastic outer panels are properly installed.
9. Power on the system and access the ok prompt.
See “How to Initiate a Reconfiguration Boot” in the Sun Fire 880 Server Owner ’s
Guide.
12Split Backplane Configurations • November 2003
10. Verify that all disks and network adapters are recognized by the OpenBoot
PROM. At the ok prompt, type the probe-scsi-all command.
ok probe-scsi-all
/pci@9,600000/pci@1/SUNW,qlc@5
/pci@9,600000/pci@1/SUNW,qlc@4
LiD HA LUN --- Port WWN --- ----- Disk description -----
11. Perform a reconfiguration boot of the Solaris software. At the ok prompt, type the
boot -r command.
ok boot -r
14Split Backplane Configurations • November 2003
12. Verify that the Solaris software recognizes both the base and expansion
backplanes. At the Solaris prompt, type the luxadm probe command.
# luxadm probe
Found Enclosure(s):
SUNWGS INT FCBPLName:FCloopNode WWN:5080020000197378
Logical Path:/dev/es/ses0
Logical Path:/dev/es/ses1
SUNWGS INT FCBPLName:FCloopNode WWN:5080020000197548
Logical Path:/dev/es/ses2
Logical Path:/dev/es/ses3
The luxadm probe command displays the enclosure name, World Wide Number,
and logical path name for each FC-AL backplane. Notice that the display shows the
same enclosure name (FCloop in the example) for both backplanes. Also note the
logical path name of each device. You need this information to perform Step 13.
13. Change the enclosure name of one of the FC-AL backplanes. Type the
luxadm enclosure_name command.
Each backplane must have a unique enclosure name. Use the luxadm
enclosure_name command to assign a unique name by changing one of the
enclosure names as shown in the following example.
To change the enclosure name, assign the new name (FCloop2 in the example) and
enter the path name (/dev/es/ses2 in the example) of the appropriate backplane.
You obtained the path name from the output from the luxadm probe command
shown in Step 12. You can enter either of the path names (/dev/es/ses2 or
/dev/es/ses3) shown in Step 12.
# luxadm enclosure_name FCloop2 /dev/es/ses2
Note – There is no output from the luxadm enclosure_name command.
Setup Instructions for Sun Fire V880 Server15
14. Verify that the Solaris software recognizes the correct enclosure name for each
backplane. Type the luxadm probe command.
Notice that the output example now shows a unique name (FCloop and FCloop2 in
the example) for each backplane.
# luxadm probe
Found Enclosure(s):
SUNWGS INT FCBPLName:FCloopNode WWN:5080020000197378
Logical Path:/dev/es/ses0
Logical Path:/dev/es/ses1
SUNWGS INT FCBPLName:FCloop2Node WWN:5080020000197548
Logical Path:/dev/es/ses2
Logical Path:/dev/es/ses3
15. Verify that the Solaris software recognizes all disks attached to each backplane.
Type the luxadm display command and specify the enclosure name for each
backplane.
In the following example, the base backplane (FCloop in the example) has six
attached disks in slots 0 - 5.