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Each system offers maximized drive-spindle count, hot-plug hard drives, optional redundant power supplies, redundant cooling modules, rackmount capability, systems managementfeatures, and a modular design for easy upgrades. Most major components, including hard drives and power supply/cooling modules are hot-pluggable and can be removed and replacedeasily. The enclosure management module (EMM), split-bus module, and SCSI terminator card are "warm-pluggable." This means they can be removed or inserted while the power ison, but all I/O activity has ceased. This section provides an overview of system features and components, and technical specifications. System Features Your system offers the following features: Tower or rack versions (3 units [U] [19 inches]). Capacity for fourteen 1-inch hot-plug SCSI hard drives. (See " Technical Specifications " or your system's readme file for supported hard-drive speeds and capacities.) Universal hard-drive carriers. Support for a variety of RAID controller cards, host-integrated RAID controllers, and host bus adapter (HBA) cards. (See your system's readme file for supported RAID controllersand HBA cards.) Hot-plug power supply and cooling modules that are combined for easy serviceability. The cooling modules are redundant. Power supply modules can be redundant ornonredundant. Optional redundant enclosure management modules (EMM). Support for the following direct-attach configurations: High-availability redundant EMM configuration in joined-bus mode (with a terminator card for nonredundant configurations). High-availability cluster configurations (with redundant EMMs) that allow multiple-server access to the same enclosure. Split-bus module (with redundant EMMs) to operate the enclosure using two separate buses. Enclosure management through in-band SCSI enclosure services (SES) for power supplies and cooling modules and SCSI-accessed fault-tolerant enclosures (SAFTE). Storage management through Dell OpenManage™ Array Manager. Four sensors for monitoring ambient temperatures and shutdown capability when temperatures reach a critical level. Audible warning for critical component failure. Supported for all new Dell servers. (See your system's readme file for supported systems.) Service Features Your storage system was designed for easy serviceability. All hard drives, power supplies, cooling modules, EMMs/SCSI terminator cards, and split-bus modules can be removed andreplaced without having to remove system covers or other components. Components and Indicators Front-Panel Components and Indicators Figure 1 shows the front-view orientation of both systems. Figure 1. System Orientation 1 PowerVault 220S 2 PowerVault 221S Figure 2 illustrates LED indicators and components on the system's front panel. Table 1 lists conditions indicated by each LED. Figure 2. Front-Panel Features 1 drive busy LED indicator 2 drive status LED indicator 3 hard drives (14) 4 over-temperature LED indicator 5 split-bus LED indicator 6 cluster LED indicator 7 shelf-fault LED indicator 8 power LED indicator Table 1. Front Panel Indicators LED Indicator LED Icon Condition Power (green) At least one power supply is supplying power to the system. Shelf-fault(amber) One of the following conditions has occurred: power-supply failure, EMM failure, cooling-module failure, over-temperature condition, split-bus module notinstalled, or firmware currently being downloaded. For more information, see " Basic Troubleshooting ." Cluster (green) The system is configured for cluster mode. For more information, see " Split-Bus Module ." Split-bus(green) The system is configured for split-bus mode. For more information, see " Split-Bus Module ." Over- temperature(amber) An over-temperature condition has occurred (the system will shut down when the temperature inside the box exceeds 50°C [122°F]). For moreinformation, see " Basic Troubleshooting ." For the locations of the temperature probes, see " Temperature Probes ." Hard-Drive Carrier LED Indicators Each of your storage system's 14 hard-drive carriers has two LED indicators: a busy indicator and a status indicator (see Figure 2 for location). Table 2 shows the hard-drive LEDindicators with the associated LED icons. Table 3 lists the flash patterns for the hard-drive status indicator. Table 2. Hard-Drive Carrier LED Indicators LED Indicator LED Icon Condition Busy (green) The hard drive is active on the SCSI bus. NOTE: This LED is controlled by the hard drive. Status (green and amber) See Table 3 for flash patterns and conditions. Table 3. Hard-Drive Carrier Status Indicator Flash Patterns Condition Status Indicator Pattern Slot empty, ready for insert/remove Off Drive online, prepare for operation Steady green Drive identify Flashes green four times per second Prepare for removal Flashes green twice per second at equal intervals Drive rebuild Flashes green twice per second at unequal intervals Drive fail Flashes amber four times per second Predicted failure Flashes gr...
Эта инструкция также подходит к моделям:Компьютеры - PowerVault 221S (SCSI) (453.78 kb)