ESDS S12E-R2251

Host Ports

Four 10GbE iSCSI ports
(2 per controller)

Storage Controller

Dual redundant controllers

Cache Memory

Default 8GB, up to 16GB

Drive Connectivity

• 6Gb/s SAS connectivity

• Accommodates 3.5-inch 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

Support Drives

• 2.5" SAS SSDs - 200GB or 400GB

• 2.5" SATA SSDs* - 100GB, 200GB or 300GB

• 2.5" 10,000RPM SAS drives - 300GB, 450GB, 600GB or 900GB

• 3.5" 15,000 RPM SAS drives - 300GB, 450GB or 600GB

• 3.5" 7,200 RPM Nearline SAS drives - 1TB, 2TB,  3TB or 4TB

• 3.5" 7,200 RPM SATA drives* - 2TB, 3TB or 4TB 

*MUX board required when using SATA drives

** For the latest compatibility details, please contact our sales representatives

Maximum Number of Drives

Corresponding Expansion Enclosure

Please refer to Related Information

Form Factor

2U

RAID Functionality

• Global, delicated or enclosure 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 system

• Intelligent drive handling
  - In degraded mode: skips irreparable blocks to continue rebuild
  - In normal operation: data-block verification and repair

Data Services

• Thin provisioning

• Local replication **
  - Snapshot
  - Volume copy/ mirror

** Available with Standard license and optional Advanced license

Green Design

• 80 PLUS-certified power supplies delivering more than 80% energy efficiency

• Intelligent multi-level drive spin-down

Availability and Reliability

• Redundant, hot-swappable hardware modules

• CacheSafe technology

• Multi-pathing support (EonPath)

• Device mapper support

Notification

Various event notification methods including email, LAN broadcast, fax, SNMP traps, SMS, and Skype. 

Management

• Java-based SANWatch management software

• RS232 serial port for local access to firmware-embedded utility

• Automated cache flush and caching mode operation per enclosure status

• Telnet and SSH system monitoring via Ethernet

• Platform-independent firmware management GUI

• LCD keypad panel for monitoring and access to all configuration options

• Module status LED indicators: component presence detection & thermal sensors via I2C bus

OS Support

Service and Support

All EonStor DS systems are shipped with 2-year Standard Service

• Standard service:
  - Hardware warranty
  - Software update; 8x5 phone, web and email support

• Upgrade/Extension service*:
  Replacement part dispatch on the next business day (up to 5 years)
  - Advanced Service: 24x7 phone, web and email support + onsite diagnostics on the next business day
  - Premium Service: 24x7 phone, web and email support + onsite diagnostics in 4 hours

* Optional

Power

• Power supplies: Two 530W DC

• AC voltage: 100VAC @ 10A to 240VAC @ 5A with PFC (auto-switching)

• Frequency: 47-63 Hz

Environmental

• Temperature:

  • Operating: 0 to 40°C without BBU or CBM / 0 to 35°C with BBU or CBM

  • Non-operating: -40 to 60°

• Altitude: Sea level to 3660m (12,000ft) operating / sea level to 12,192m (40,000ft) non-operating

• Relative humidity: 5 to 95% non-condensing, operating and non-operating

Dimensions

Without chassis ears / protrusions:
446mm (W) x 88mm (H) x 513mm (D)

Weight

Without HDDs:17.00kg (37.48lbs)

Package Dimensions

779mm (W) x 564mm (H) x 597mm (D)