Dell PowerEdge 6850 Mode d'emploi

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Dell™ PowerEdge™ 6850 Systems
SAS Information Update
SAS 信息更新
Mise à jour des informations
sur les configurations SAS
Aktuelle Informationen zu SAS
SAS のアップデート情報
SAS 정보 업데이트
Actualización de información sobre SAS
www.dell.com | support.dell.com
Dell™ PowerEdge™ 6850 Systems
SAS Information Update
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
____________________
Information in this document is subject to change without notice.
© 2006 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.
Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
April 2006 P/N GJ242 Rev. A00
Contents 3
Contents
Features and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SAS Hard-Drive Indicator Codes
. . . . . . . . . . . . . . . . . . . . . . . 6
Installing SAS Hard Drives
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Removing a Drive Blank
. . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installing a Drive Blank
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Removing a Hot-Plug Hard Drive
. . . . . . . . . . . . . . . . . . . . . . . 9
Installing a Hot-Plug Hard Drive
. . . . . . . . . . . . . . . . . . . . . . 10
Replacing a Hard Drive in a Hard-Drive Carrier
. . . . . . . . . . . . . . 11
Replacing a SAS Controller Card
. . . . . . . . . . . . . . . . . . . . . . . . 12
SAS Backplane Boards
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SAS Backplane Connectors
. . . . . . . . . . . . . . . . . . . . . . . . 13
Replacing a 3.5-Inch SAS Backplane
. . . . . . . . . . . . . . . . . . . . 14
Replacing a 2.5-Inch SAS Backplane
. . . . . . . . . . . . . . . . . . . . 14
SAS 2.5-Inch Peripheral Interposer Board
. . . . . . . . . . . . . . . . . . . 17
Peripheral Interposer Board Connectors
. . . . . . . . . . . . . . . . . . 17
Replacing a Peripheral Interposer Board
. . . . . . . . . . . . . . . . . 18
Troubleshooting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Troubleshooting a SAS Hard Drive
. . . . . . . . . . . . . . . . . . . . . 21
Troubleshooting a SAS Controller Card
. . . . . . . . . . . . . . . . . . . 23
4 Contents
SAS Information Update 5
This document provides information about the optional Serial-Attached SCSI (SAS) hard drives, related
features, and procedures not covered in the system Installation and Troubleshooting Guide. The following
topics are covered:
Features and indicators
Installing SAS hard drives
Replacing a SAS controller card
SAS backplane boards
SAS 2.5-inch peripheral interposer board
Troubleshooting
Features and Indicators
The basic features and indicators are described in the system Installation and Troubleshooting Guide.
The key changes incorporated in systems with optional SAS hard drives include the following:
Systems with SAS drives include a SAS controller expansion card, in place of the integrated SCSI
controller. SAS A and SAS B connectors on the backplane are connected to the SAS controller card.
Systems with SAS drives include a SAS backplane for either the 3.5-inch or 2.5-inch SAS hard drives.
RAID capability for systems with internal SAS drives is provided by the SAS controller expansion card.
The RAID battery cable attaches to a connector on the SAS controller card, instead of to the battery
connector on the system board. See Figure 1-5.
Systems with 2.5-inch SAS hard drives have the following additional changes incorporated:
The 2.5-inch SAS backplane (see Figure 1-7) is connected to an additional board, the 2.5-inch SAS
peripheral interposer board (see Figure 1-10). The interposer board provides some of the
connectors included on the 3.5-inch backplane.
The control-panel cable is routed under the bay for fans 1 and 3 and connected to the back of the
2.5-inch SAS peripheral interposer board. (For 3.5-inch drives the control-panel cable connects to
the front of the backplane on top of the hard drive bays.)
The cooling shroud is modified to cover the space behind the hard drive bay, and cables and other
components are altered to accommodate the 2.5-inch drive bay and boards. Figure 1-1 illustrates
the inside of a 2.5-inch system.
6 SAS Information Update
Figure 1-1. Inside the 2.5-Inch SAS System
SAS Hard-Drive Indicator Codes
The hard-drive carriers have two indicators—the drive-activity indicator and the drive-status indicator.
See Figure 1-2. The drive-status indicator lights to indicate the status of the drive.
1 control panel 2 cooling shroud 3 memory riser card
4 expansion card slots (7) 5 fans (4) 6 diskette drive (optional)
7 optical drive (optional) 8 2.5-inch SAS hard drives (8)
3
7
6
8
4
2
1
5
SAS Information Update 7
Figure 1-2. Hard-Drive Indicators
Table 1-1 lists the drive indicator patterns for RAID hard drives. Different patterns are displayed as drive
events occur in the system. For example, if a hard drive fails, the "drive failed" pattern appears. After the
drive is selected for removal, the "drive being prepared for removal" pattern appears, followed by the "drive
ready for insertion or removal" pattern. After the replacement drive is installed, the "drive being prepared
for operation" pattern appears, followed by the "drive online" pattern.
1 drive-status indicator (green and amber) 2 green drive-activity indicator
Table 1-1. Hard-Drive Indicator Patterns for RAID
Condition Drive-Status Indicator Pattern
Identify drive/preparing
for removal
Blinks green two times per second
Drive ready for insertion
or removal
Off
NOTE: The drive status indicator is also off until all hard drives are
initialized after system power is applied. Drives are not ready for
insertion or removal during this time.
Drive predicted failure Blinks green, amber, and off.
Drive failed Blinks amber four times per second.
Drive rebuilding Blinks green slowly.
1
2
8 SAS Information Update
Installing SAS Hard Drives
This subsection describes how to install and configure SAS hard drives in the system's internal hard-drive
bays.
Your system features up to five 3.5-inch hard drives, or eight 2.5-inch hard drives. All drives connect to
the system board through one of two optional SAS backplane boards. See "SAS Backplane Boards"
on page 13 for information on these backplane options.
Hard drives are supplied in special hot-pluggable drive carriers that fit in the hard-drive bays.
NOTICE: Before attempting to remove or install a drive while the system is running, see the documentation for the
SAS RAID controller card to ensure that the host adapter is configured correctly to support hot-plug drive removal
and insertion.
NOTE: It is recommended that you use only drives that have been tested and approved for use with the SAS
backplane boards.
You may need to use different programs than those provided with the operating system to partition
and format SAS hard drives.
NOTICE: Do not turn off or reboot your system while the drive is being formatted. Doing so can cause a drive
failure.
When you format a high-capacity hard drive, allow enough time for the formatting to be completed.
Long format times for these drives are normal. A 9-GB hard drive, for example, can take up to 2.5 hours
to format.
Removing a Drive Blank
NOTICE: To maintain proper system cooling, all empty hard-drive bays must have drive blanks installed. If you
remove a hard-drive carrier from the system and do not reinstall it, you must replace the carrier with a drive blank.
The process for removing a drive blank depends on whether your system is configured with 3.5-inch
or 2.5-inch hard drives.
For 3.5-inch hard drive configurations:
1
Remove the front bezel, if attached. See "Opening the System" in the
Installation and Troubleshooting
Guide
.
2
Insert your finger under the shrouded end of the blank and press in on the latch to eject the blank
outward from the bay.
3
Pry the ends of the blank outward until the blank is free.
Drive online Steady green.
Rebuild aborted Blinks green three seconds, amber three seconds, and off six seconds.
Table 1-1. Hard-Drive Indicator Patterns for RAID (continued)
Condition Drive-Status Indicator Pattern
SAS Information Update 9
For 2.5-inch hard drive configurations, remove the blank as you would the 2.5-inch hard drive carrier:
1 Remove the front bezel, if attached.
See "Opening the System" in the
Installation and Troubleshooting
Guide
.
2 Open the drive blank release handle to release the blank. See
Figure 1-3
.
3
Slide the drive blank out until it is free of the drive bay.
Installing a Drive Blank
The process for installing a drive blank depends on whether your system is configured with 3.5-inch or
2.5-inch hard drives.
For 3.5-inch hard drive configurations, the drive blank is keyed to ensure correct insertion into the drive
bay. To install a 3.5-inch drive blank, insert and rotate in the keyed side of the blank into the drive bay
and press evenly on the other end of the blank until it is fully inserted and latched.
For 2.5-inch hard drive configurations, install the hard drive blank the same way as you install a 2.5-inch
hard drive carrier:
1 Remove the front bezel, if attached.
See "Opening the System" in your
Installation and
Troubleshooting Guide
.
2
Open the handle on the drive blank.
3
Insert the drive blank into the drive bay until the blank is fully seated.
4
Close the handle to lock the blank in place.
5 Replace the front bezel, if it was removed in
step 1.
Removing a Hot-Plug Hard Drive
1 Remove the front bezel, if attached.
See "Opening the System" in your
Installation and
Troubleshooting Guide
.
2
From the RAID management software, prepare the drive for removal a
nd wait until the hard-drive
indicators on the drive carrier signal that the drive can be removed safely.
See your SAS RAID
controller documentation for information about hot-plug drive removal.
If the drive has been online, the green
activity/
fault indicator will flash as the drive is powered down.
When both drive indicators are off, the drive is ready for removal.
3 Open the drive carrier release handle to release the drive. See
Figure 1-3
.
4
Slide the hard drive out until it is free of the drive bay.
5
If you do not replace the hard drive, insert a drive blank in the vacated drive bay. See "Installing a Drive
Blank" on page 9.
NOTICE: To maintain proper system cooling, all empty hard-drive bays must have drive blanks installed.
10 SAS Information Update
Figure 1-3. Removing and Installing a Hot-Plug Hard Drive
Installing a Hot-Plug Hard Drive
NOTICE: When installing a hard drive, ensure that the adjacent drives are fully installed. Inserting a hard-drive
carrier and attempting to lock its handle next to a partially installed carrier can damage the partially installed
carrier's shield spring and make it unusable.
NOTICE: Not all operating systems support hot-plug drive installation. See the documentation supplied with your
operating system.
1 Remove the front bezel, if attached.
See "Opening the System" in your
Installation and
Troubleshooting Guide
.
2
If a drive blank is present in the bay, remove it. See "Removing a Drive Blank" on page 8.
3
Install the hot-plug hard drive.
a
Open the handle on the hard-drive carrier.
b
Insert the hard-drive carrier into the drive bay until the carrier contacts the backplane.
c
Close the handle to lock the drive in place.
4 Replace the front bezel, if it was removed in
step 1.
1 hard drive 2 drive carrier 3 drive carrier release handle
3
1
2
SAS Information Update 11
Replacing a Hard Drive in a Hard-Drive Carrier
To remove a SAS hard drive from a drive carrier, remove the four screws from the slide rails on the hard-
drive carrier and separate the hard drive from the carrier.
To install a SAS hard drive in a drive carrier, perform the following steps:
NOTE: SAS hard drives must be installed only in SAS/SATAu drive carriers. The SAS/SATAu drive carrier has
marks indicating the SAS and SATA mounting screws.
1 Insert the SAS hard drive into the hard-drive carrier with the connector end of the drive at the rear.
See
Figure 1-4
.
2 Viewing the assembly as shown in
Figure 1-4, a
lign the bottom rear screw hole on the hard drive
with the hole labeled "SAS" on the hard drive carrier.
When aligned correctly, the rear of the hard drive will be flush with the rear of the hard-drive carrier.
3 Attach the four screws to secure the hard drive to the hard-drive carrier. See
Figure 1-4
.
Figure 1-4. Installing a SAS Hard Drive Into a Drive Carrier
1 screws (4) 2 drive carrier 3 SAS hard drive
1
3
2
12 SAS Information Update
Replacing a SAS Controller Card
CAUTION: Any installation that requires removal of the system cover is intended solely to be performed by
trained service technicians. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
See "Installing an Expansion Card" in the Installation and Troubleshooting Guide for instructions
about removing and installing the card. Figure 1-5 illustrates the SAS and RAID battery connections.
See the SAS controller documentation for use and configuration information.
NOTE: The SAS controller card must be installed in expansion slot 5.
NOTE: Ensure that the SAS A and SAS B cables are connected to the backplane and the SAS controller card
connectors. Both cables must be installed for the drives to function.
Figure 1-5. Routing the SAS Controller Card Cables
1 SAS B 2 SAS A 3 RAID battery
4 SAS A 5 SAS B 6 battery connector
3
4
2
1
5
6
SAS Information Update 13
SAS Backplane Boards
There are two SAS backplane board options, one supporting up to five 3.5-inch drives, and the other
supporting up to eight 2.5-inch drives. For the 2.5-inch option only, an additional board, the peripheral
interposer board, provides some of the connectors (see "Peripheral Interposer Board Connectors"
on page 17).
SAS Backplane Connectors
Figure 1-6 shows the location of the connectors on the 3.5-inch backplane board, and Figure 1-7 shows
the location of the connectors on the 2.5-inch backplane board.
Figure 1-6. SAS Backplane Board Connectors: 3.5-inch Option
3
4
2
1
5
6
1 SAS A 2 data interface 3 power
4 control panel 5 SAS B 6 installation alignment slot
14 SAS Information Update
Figure 1-7. SAS Backplane Board Connectors: 2.5-inch Option
Replacing a 3.5-Inch SAS Backplane
CAUTION: Any installation that requires removal of the system cover is intended solely to be performed by
trained service technicians. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
To replace a 3.5-inch SAS backplane, follow the steps for removing and installing a SCSI backplane
described in "SCSI Backplane" in the Installation and Troubleshooting Guide, substituting the connectors
on the SAS backplane board for the corresponding connectors on the SCSI backplane board.
See Figure 1-6 for the location of connectors on the 3.5-inch SAS backplane.
Replacing a 2.5-Inch SAS Backplane
CAUTION: Any installation that requires removal of the system cover is intended solely to be performed by
trained service technicians. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
Removing a 2.5-Inch SAS Backplane
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening the System" in the
Installation and Troubleshooting Guide
.
NOTICE: To prevent damage to the drives and backplane, you must remove the SAS drives and diskette/optical
drive carrier from the system before removing the backplane. You must note the number of each hard drive and
temporarily label them before removal so that you can replace them in the same locations.
3
Remove all SAS hard drives. See "Removing a Hot-Plug Hard Drive" on page 9.
3
2
1
1 SAS B 2 SAS A 3 backplane power
SAS Information Update 15
4
Remove the optical drive/diskette drive carrier.
To remove the drive carrier, pull the release latch forward, then slide the carrier out of the chassis.
See the
Installation and Troubleshooting Guide
.
5
Remove the cooling shroud. See "Removing the Cooling Shroud" in the
Installation and
Troubleshooting Guide
.
6
Disconnect the SAS and backplane power cables from the back of the SAS backplane.
For improved access, remove the SAS cable(s) from the clip that is attached to the fan-3 air guard
and move the cable(s) away from the backplane. See Figure 1-8.
Figure 1-8. Cabling a 2.5-Inch SAS Backplane
1 SAS cable clip 2 SAS cables 3 fan-3 air guard
4 backplane power 5 SAS B 6 SAS A
2
1
4
5
6
3
16 SAS Information Update
7
Remove the SAS backplane:
a
Press the spring-loaded blue retention tab at the back of the backplane, then slide the backplane
upward. See Figure 1-9.
b
When the backplane cannot slide upward any farther, pull the backplane toward the back
of the system to remove it from the retention hooks.
c
Lift the board out of the system, being careful to avoid damaging components on the face
of the board.
d
Place the SAS backplane face down on a work surface.
Figure 1-9. Removing and Installing a 2.5-Inch SAS Backplane
1 2.5-inch backplane 2 retention tab
2
1
SAS Information Update 17
Installing a 2.5-Inch SAS Backplane
1
Install the SAS backplane:
a
Carefully lower the backplane into the system as shown in Figure 1-9, angling the top of the
backplane slightly toward the back of the system. Be careful to avoid damaging components
on the face of the board.
b
Slide the retention slots on the backplane over the retention hooks on the chassis.
c
Slide the backplane downward until the blue retention tab snaps into place.
2
Connect the SAS and backplane power cables to the back of the SAS backplane.
Secure the SAS cable(s) in the clip that is attached to the fan-3 air guard. See Figure 1-8.
3
Install the SAS hard drives in their original locations. See "Installing a Hot-Plug Hard Drive"
on page 10.
4
Install the optical drive/diskette drive carrier.
Slide the drive carrier into its drive bay and press in the release latch. See the
Installation and
Troubleshooting Guide
.
5
Install the cooling shroud. See "Installing the Cooling Shroud" the
Installation and Troubleshooting
Guide
.
6
Close the system. See "Closing the System" in the
Installation and Troubleshooting Guide
.
7
Reconnect the system to its electrical outlet and turn the system on, including any attached
peripherals.
SAS 2.5-Inch Peripheral Interposer Board
In addition to the backplane, systems with 2.5-inch drives also have a peripheral interposer board, which
contains some of the connectors that are on the 3.5-inch board and a backplane power connector.
Peripheral Interposer Board Connectors
Figure 1-10 presents a front view of the peripheral interposer board.
18 SAS Information Update
Figure 1-10. SAS Peripheral Interposer Board Connectors
Replacing a Peripheral Interposer Board
CAUTION: Any installation that requires removal of the system cover is intended solely to be performed by
trained service technicians. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
Removing a Peripheral Interposer Board
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening the System" in the
Installation and Troubleshooting Guide
.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" in the
Installation and
Troubleshooting Guide
.
4
Remove the processor filler blanks or heat sinks from processors 2 and 4. See "Removing a Processor"
in the
Installation and Troubleshooting Guide
.
5
Disconnect the SAS and backplane power cables from the back of the SAS backplane. See Figure 1-8.
For improved access, remove the SAS cable(s) from the clip that is attached to the fan-3 air guard
and move the cable(s) away from the backplane. See Figure 1-8.
6
Disconnect the power cable from the top of the interposer board. See Figure 1-11.
NOTICE: When disconnecting the control-panel cable, hold the white pull-tab next to the control-panel cable
connector to prevent damage to the interposer board or the cable itself.
7
Disconnect the control-panel cable from the control-panel cable connector on the top back
of the interposer board. See Figure 1-11.
8
Disconnect the data interface cable from the back of the interposer board.
1 control panel 2 power 3 backplane power
4 data interface 5 fans (2)
2
1
3
4
5
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Dell PowerEdge 6850 Mode d'emploi

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