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Summary of Contents for Dell EMC SC4020
- Page 1 Dell SC4020 Storage System Owner’s Manual...
- Page 2 Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your product. 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.
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Page 3: Table Of Contents
SC4020 Storage System Hardware..........................10 SC4020 Storage System Front-Panel Features and Indicators................10 SC4020 Storage System Back-Panel Features and Indicators.................11 SC4020 Storage System Storage Controller Features and Indicators ..............12 SC4020 Storage System Drives...........................16 SC4020 Storage System Drive Numbering........................ 17 2 Replacing SC4020 Storage System Components................18 Safety Precautions................................18... - Page 4 3 SC4020 Storage System Technical Specifications.................25 Technical Specifications..............................25 Contents...
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Page 5: About This Manual
The following documentation is available for the SC4020 Storage System. • Dell SC4020 Storage System Getting Started Guide Provides information about an SC4020 storage system, such as installation instructions and technical specifications. • Dell Storage Center Release Notes Provides information about new features and known and resolved issues for the Storage Center software. - Page 6 Provides instructions for using the Data Collector Manager and the Dell Storage Manager Client. • Dell Storage Manager Release Notes Provides information about Dell Storage Manager releases, including new features, enhancements, fixed issues, and open issues. • Dell TechCenter Provides technical white papers, best practice guides, and frequently asked questions about Dell Storage products. Go to http:// en.community.dell.com/techcenter/storage/.
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Page 7: About The Sc4020 Storage System
Expansion enclosures allow the data storage capabilities of the SC4020 storage system to be expanded beyond the 24 internal disks in the storage system chassis. An SC4020 a total of 192 disks per Storage Center system. This total includes the disks in the storage system chassis and the disks in the SC200/SC220 expansion enclosures or SC280 expansion enclosures. -
Page 8: Storage Center Architecture Options
NOTE: An SC4020 storage system cannot be connected to both SC200/SC220 expansion enclosures and SC280 expansion enclosures at the same time. The SC4020 supports only a single chain of SC200/SC220 expansion enclosures or a single chain of SC280 expansion enclosures. -
Page 9: Storage Center Communication
Fibre Channel ports through one or more Fibre Channel switches. Connecting host servers directly to the storage system, without using Fibre Channel switches, is not supported. When replication is licensed, the SC4020 can use the front-end Fibre Channel ports to replicate data to another Storage Center. •... -
Page 10: Back-End Connectivity
Serial port: Used for initial configuration of the storage controllers. In addition, it is used to perform support only functions when instructed by Dell Technical Support. NOTE: Do not throw away the serial cables that come with the SC4020. Keep the serial cables with the SC4020 for troubleshooting purposes. SC4020 Storage System Hardware The SC4020 storage system ships with Dell Enterprise Plus drives, two redundant power supply/cooling fan modules, and two redundant storage controllers. -
Page 11: Sc4020 Storage System Back-Panel Features And Indicators
Can have up to 24 2.5-inch SAS hard drives. SC4020 Storage System Back-Panel Features and Indicators The back panel of the SC4020 contains the storage controller indicators and power supply indicators. Figure 5. SC4020 Storage System Back-Panel View Item Name... -
Page 12: Sc4020 Storage System Storage Controller Features And Indicators
The following figures show the features and indicators on a storage controller with Fibre Channel front-end ports. Figure 6. SC4020 Storage System Storage Controller with Four 8 Gb Fibre Channel Front-End Ports Figure 7. SC4020 Storage System Storage Controller with Two 16 Gb Fibre Channel Front-End Ports... - Page 13 (Slot 1/Port 1 and Slot 1/ • All blinking (simultaneous) – Firmware initialized Port 2) with three LEDs per • All blinking (alternating) – Firmware fault port LEDs for the two 16 Gb Fibre Channel ports: About the SC4020 Storage System...
- Page 14 SC4020 Storage System Storage Controller with iSCSI Front-End Ports The following figure shows the features and indicators on a storage controller with iSCSI front-end ports. Figure 8. SC4020 Storage System Storage Controller with Two 10 GbE iSCSI Front-End Ports Item Control/Feature...
- Page 15 SC4020 Storage System Storage Controller with Front-End SAS Ports The following figure shows the features and indicators on a storage controller with front-end SAS ports. Figure 9. SC4020 Storage System Storage Controller with Four 12 Gb Front-End SAS Ports Item Control/Feature...
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Page 16: Sc4020 Storage System Drives
Mini-SAS port A (Slot 2/Port 1) Back-end expansion port A SC4020 Storage System Drives The SC4020 storage system supports only Dell Enterprise Plus hard disk drives (HDDs) and Dell Enterprise solid-state drives (eSSDs). Figure 10. SC4020 Storage System Drive Indicators Item... -
Page 17: Sc4020 Storage System Drive Numbering
The Storage Center identifies drives as XX-YY, where XX is the unit ID of the storage system, and YY is the drive position inside the storage system. The SC4020 holds up to 24 drives, which are numbered from left to right starting from 0. Figure 11. SC4020 Storage Systems Drive Numbering... -
Page 18: Replacing Sc4020 Storage System Components
Replacing SC4020 Storage System Components This chapter describes how to remove and install components of the SC4020 storage system. This information assumes that you have received the replacement component and are ready to install it. Topics: • Safety Precautions •... -
Page 19: General Safety Precautions
To ensure proper storage system cooling, hard drive blanks must be installed in any hard drive slot that is not occupied. Pre-Replacement Procedures Perform the procedures described in this section before replacing a component of the SC4020 storage system. Send Diagnostic Data Using Dell SupportAssist Use Dell SupportAssist to send diagnostic data to Dell Technical Support. -
Page 20: Replacing The Front Bezel
Replacing Hard Drives The SC4020 storage systems support hot-swappable hard drives. The SC4020 storage system supports up to 24 2.5-inch hard drives installed vertically side by side. Hard drive blanks are installed in the hard drive slots that do not have drives. -
Page 21: Identify The Failed Hard Drive
6. Select Disks. The status of each hard drive is displayed in the Disks tab. 7. Select the failed hard drive. The location of the failed hard drive is displayed in the Disk View tab. Figure 15. Front View of the Expansion Enclosure Showing the Failed Hard Drive Replacing SC4020 Storage System Components... -
Page 22: Replace A Hard Drive
7. Replace the front bezel. 8. In the Dell Storage Manager Client, make sure that the replacement hard drive is recognized and shown as up and healthy. Next steps Use SupportAssist to send diagnostic data to Dell Technical Support. Replacing SC4020 Storage System Components... -
Page 23: Replacing Rack Rails
During this time, the only indication that the SC4020 is powered on are the LEDs on the storage controllers. After the one-minute delay, the SC4020 fans and LEDs turn on to indicate that the storage system is starting to come up. -
Page 24: Contact Dell Technical Support
Power on any additional expansion enclosures attached to the Storage Center, waiting for each expansion enclosure to become operational before turning on the next expansion enclosure. 3. After all the expansion enclosures are powered on, turn on the storage system by pressing both power switches on the back of the chassis. Replacing SC4020 Storage System Components... - Page 25 SC4020 Storage System Technical Specifications Technical Specifications The following tables describe the technical specifications of an SC4020 storage system. Table 1. Hard Drives Drives SAS hard drives Up to 24 2.5-inch SAS hot-swappable hard drives (6.0 Gbps) Table 2. Storage Controllers...
- Page 26 Temperature Operating 10°C to 35°C (40°F to 95°F) with a maximum temperature gradation of 20°C per hour Storage –40° to 65°C (–40° to 149°F) at a maximum altitude of 12,000 m (39,370 ft) SC4020 Storage System Technical Specifications...
- Page 27 For altitudes above 915 m (3,000 ft), the maximum operating temperature is derated 1°C per 300 m (1°F per 547 ft) Storage –300 m to 12,192 m (–1000 ft to 40,000 ft) Airborne Contaminant Level Class G1 or lower as defined by ISA-S71.04-1985 SC4020 Storage System Technical Specifications...
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