NSS2U12SS - 2U - SAN - Rackme Series

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NSS2U12SS

The NSS2U12SS subsystem provides multi-lane Serial Attached SCSI (SAS) host interface. It can deliver satisfactory performance even in transaction-intensive or high-throughput applications. Scalable with either enterprise-level SAS drives or cost-effective SATA drives, the subsystem also enables tiered storage for effective data lifecycle management.

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The EonStor NSS2U12SS subsystem provides multi-lane Serial Attached SCSI (SAS) host interface. It can deliver satisfactory performance even in transaction-intensive or high-throughput applications. Scalable with either enterprise-level SAS drives or cost-effective SATA drives, the subsystem also enables tiered storage for effective data lifecycle management.

Multi-lane SAS for High Performance

S12S-G1033 adopts SAS technology in its host interface design, aggregating the 3Gbps bandwidth of four (4) physical links into a single 12Gbps high-speed port. With two (2) high-speed SAS host ports, the subsystem overcomes the limitations of its SCSI predecessors. It can not only be scaled up to the maximum of 60 drives with easy cabling but sustain the enhanced performance, high availability and reliability with this scaling.

Smart Scalability with SAS or SATA Drives

Through the one SAS expansion port, the subsystem offers ample capacity by connecting to the maximum of four (4) JBODs. The flexible support of both SAS and SATA-II drives allows integrators to configure the capacity as tiered storage for data lifecycle management. For mission-critical and frequently-accessed data, you can choose high-reliability SAS drives. As for near-line backup, distribution, or archival uses, affordable SATA drives will be the ideal fit. The optimal mix of these two kinds of drives can satisfy diverse environment requirements while saving unnecessary expenses.

Host Interface	Two (2) SAS wide port (SFF-8088), each with 12Gbps bandwidth Concurrent I/O commands Maximum tagged command queuing: 1024
Drive Interface	Twelve (12) 3 Gbps SAS or SATA-II, hot-swappable drive trays Accommodates 1-inch pitch, 3.5-inch SAS or SATA-II (3Gbps) disk drives S.M.A.R.T. support NCQ support Automatic bad-sector reassignment Dedicated bandwidth to each connected drive Drive buffer on/off switch
Controller	Single
Form Factor	2U Rack-mount
RAID functionality	Global or Dedicated hot-spare RAID levels supported: RAID 0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60 Online expansion by: Adding new drives Copying and replacing drives with drives of larger capacity RAID migration Configurable stripe size and write policy per array Intelligent drive handling: In degraded mode: skips irreparable blocks to continue rebuild In normal operation: data-block verification and repair
System Components	One(1) RAID controller module One (1) 512 MB DIMM module (pre-installed module) Two (2) 350W power supply units Three (3) redundant, dual-speed cooling modules Twelve (12), hot-swappable drive trays Optional Li-Ion battery backup unit (BBU), life expectancy and charge level aware
Management	Java-based SANWatch management software with Snapshot protection COM1 serial port for local access to firmware-embedded utility COM2 for UPS connection Automated cache flush and caching mode operation per enclosure status GUI, Telnet, and SSH system monitoring via Ethernet Firmware-embedded manager via RS-232C (audio jack) that is platform independent Various event notification methods including email, LAN broadcast, fax, SNMP traps, SMS, and MSN LCD keypad panel for monitoring and access to all configuration options Module status LED indicators: Component presence detection & thermal sensors via I²C bus
Dimensions	88(H) x 446(W) x 490(D) mm
Weight	23.5 kg

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