Designed to apply the dedicated bandwidth of SAS interfaces and cost-effective SATA drives, the A12S/A08S systems provide RAID protection and the performance that fully substantiate the combined HDD performance. Storage managers can continue to enjoy the significant cost benefits of SATA technology with the performance gains by the SAS technologies.
In degraded mode: skips irreparable blocks to continue rebuild
In normal operation: data-block verification and repair
Host Interface
Mini SAS SFF-8088
4 PHYs per Mini SAS connector
Concurrent I/O commands
Tagged command queuing up to 1024
Max. command queue up to 1024
One external cable included: IFT-9270CmSASCab01: SAS external cable, Mini SAS 4x to Mini SAS 4x (SFF-8088), 50cm, w/ Ferrite Core.
See more cabling options, please refer to the accessories page.
Drive Interface
Twelve (12), or eight (8) hot-swappable drive trays
Accommodates 1-inch pitch, 3.5-inch SATA-II 3Gb disk drives
S.M.A.R.T. and NCQ support
Automatic bad-sector reassignment
Dedicated bandwidth to each connected drive
Drive buffer on/off switch
System Components
Heavy duty 2U enclosure
Single RAID and I/O management controller module
Fault-tolerant modules interfaced through a common backplane
One (1) 256/512MB DDR DIMM module (default, supports up to 2GB in size)
Redundant, hot-swappable 350W power supply units
Redundant, dual-speed cooling modules
Hot-swappable drive trays with anti-tamper locks
Two (2) forearm handles
Li-Ion battery backup unit (BBU), life expectancy and charge level aware
Management
COM1 serial port for local access to firmware-embedded utility
COM2 for UPS serial connection
GUI, Telnet, and SSH system monitoring via Ethernet
Java-based SANWatch software
Firmware-embedded manager via RS-232C (audio jack) that is platform independent
Widest range of event notification methods including Email, LAN broadcast, fax, SNMP traps, SMS, and MSN
LCD keypad panel to all configuration options
Variable logical drive options per DIMM size
Module status LED indicators:
Two (2) per drive tray
Seven (7) per controller module
One (1) per power supply unit
One (1) per BBU module
Two (2) per cooling module
Presence detect & thermal sensors via I 2 C bus
Physical/Electrical
Interfaces
Mini SAS SFF-8088 external ports
One (1) Fast Ethernet management port
Two (2) serial COM ports (38400, n, 8, 1)
Power Supply Module
Redundant hot-swappable power supplies with PFC
Input
115VAC at 6A, 240VAC at 3A with PFC (auto-switching)
47 to 63Hz
Output
Maximum output: 350 Watts
+12.0V
25A max.
+ 5.0V
25A max.
+ 3.3V
20A max.
Cooling Module
Redundant dual-thermal-fan cooling modules
Maximum air flow:
46 CFM (high speed); 31.8 CFM (low speed)
Environmental Specifications
Operating temperature:
5° to 40°C (35°C if battery is applied)
Non-operating temperature:
- 40° to 60°C
Relative humidity:
5 to 95%, non-condensing
Operating altitude:
Operating: 0 to 10,000 ft
Dimensions:
Chassis without handles: 446(W) x 88(H) x 490(D) mm