Dell SC7020, SC7020F Owner's Manual
Dell SC7020 and SC7020F Storage Systems
Owner’s Manual
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
2017 - 11
Rev. C
Contents
About This Manual............................................................................................................. 4
Revision History..................................................................................................................................................................4
Audience.............................................................................................................................................................................4
Contacting Dell...................................................................................................................................................................4
1 SC7020 Series Storage System Hardware....................................................................... 5
SC7020 Series Storage System Front-Panel View..............................................................................................................5
SC7020 Series Storage System Drives.........................................................................................................................6
SC7020 Series Storage System Drive Numbering.........................................................................................................6
SC7020 Series Storage System Back-Panel View...............................................................................................................7
Power Supply and Cooling Fan Modules.......................................................................................................................8
SC7020 Series Storage Controller Features and Indicators ..........................................................................................8
2 Replacing SC7020 Series Storage System Components................................................ 10
Safety Precautions............................................................................................................................................................10
Installation Safety Precautions.................................................................................................................................... 10
Electrical Safety Precautions.......................................................................................................................................10
Electrostatic Discharge Precautions.............................................................................................................................11
General Safety Precautions..........................................................................................................................................11
Bezel..................................................................................................................................................................................11
Remove the Front Bezel.............................................................................................................................................. 11
Install the Front Bezel..................................................................................................................................................12
Hard Drives ...................................................................................................................................................................... 12
Identify the Failed Drive...............................................................................................................................................13
Remove the Failed Drive............................................................................................................................................. 13
Install the Replacement Drive......................................................................................................................................13
Power Supply and Cooling Fan Modules............................................................................................................................13
Identify the Failed Power Supply.................................................................................................................................14
Identify the Failed Cooling Fan.................................................................................................................................... 14
Replace a Power Supply and Cooling Fan Module.......................................................................................................14
Rack Rails......................................................................................................................................................................... 15
Remove the Rack Rails............................................................................................................................................... 15
Install the Rack Rails................................................................................................................................................... 16
Power Up the Storage Center Hardware...........................................................................................................................17
3 SC7020 Series Storage System Technical Specications...............................................18
Technical Specications.................................................................................................................................................... 18
3
About This Manual
This manual describes the features and technical specications of an SC7020 series storage system.
Revision History
Document Number: 680-108-001
Revision Date Description
A August 2016 Initial release
B February 2017 Updated feature support
C November 2017 Added all-ash array and power-up procedure
Audience
The information provided in this manual is intended for use by Dell end users.
Contacting Dell
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some
services might not be available in your area.
To contact Dell for sales, technical support, or customer service issues, go to www.dell.com/support.
• For customized support, type your system service tag on the support page and click Submit.
• For general support, browse the product list on the support page and select your product.
4
1
SC7020 Series Storage System Hardware
The SC7020 series storage system ships with Dell Enterprise Plus drives, two redundant power supply/cooling fan modules, and two
redundant storage controllers.
Each storage controller contains the front-end, back-end, and management communication ports of the storage system.
SC7020 Series Storage System Front-Panel View
The front panel of the storage system contains power and status indicators, and a system identication button.
In addition, the hard drives are installed and removed through the front of the storage system chassis.
Figure 1. SC7020 Series Storage System Front-Panel View
Item
Name Icon Description
1 Power indicator Lights when the storage system power is on
• O – No power
• On steady green – At least one power supply is providing power to the
storage system
2 Status indicator Lights when the startup process for both storage controllers is complete with
no faults detected.
NOTE: The startup process can take 5–10 minutes or more.
• O – One or both storage controllers are running startup routines, or a
fault has been detected during startup
• On steady blue – Both storage controllers have completed the startup
process and are in normal operation
• Blinking amber – Fault detected
3 Identication button Blinking blue continuously – A user sent a command to the storage system to
make the LED blink so that the user can identify the storage system in the
rack.
SC7020 Series Storage System Hardware
5
Item Name Icon Description
• The identication LED blinks on the control panel of the chassis, to allow
users to nd the storage system when looking at the front of the rack.
• The identication LEDs on the storage controllers also blink, which allows
users to nd the storage system when looking at the back of the rack.
4 Hard drives — Can have up to 30 internal 2.5-inch SAS hard drives
SC7020 Series Storage System Drives
The SC7020 series storage system supports Dell Enterprise Plus drives.
• The SC7020 storage controller supports both spinning hard drives and SSDs.
• The SC7020F storage controller supports SSDs.
The drives in the SC7020 series storage system are installed horizontally. The indicators on the drives provide status and activity
information.
Figure 2. SC7020 Series Storage System Drive Indicators
Item Control/Feature Indicator Code
1 Drive activity indicator
• Blinking green – Drive has I/O activity
• Steady green – Drive is detected and has no faults
2 Drive status indicator
• Steady green – Normal operation
• Blinking green – A command was sent by Storage Manager to the drive to make the
LED blink so that users can identify the drive in the rack.
• Blinking amber – Hardware or rmware fault
SC7020 Series Storage System Drive Numbering
The storage system holds up to 30 drives, which are numbered from left to right in rows starting from 0 at the top-left drive. Drive
numbers increment from left to right, and then top to bottom such that the rst row of drives is numbered from 0 to 4 from left to
right, and the second row of drives is numbered from 5 to 9 from left to right.
Storage Manager identies drives as XX-YY, where XX is the number of the unit ID of the storage system and YY is the drive
position inside the storage system.
Figure 3. SC7020 Series Storage System Drive Numbering
6
SC7020 Series Storage System Hardware
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