ESA24UG242115-0030 INFORTREND 4U 12 BAY SCSI-SATA II Specifications RAID Multiple arrays configurable with dedicated or global hot spare drives RAID levels: RAID0, 1 (0+1), 3, 5, 6, 10, 30, 50, 60, and NRAID Online expansion by: Adding new drives Copying and replacing drives with drives of larger capacity Automatic background rebuild 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 Single RAID controller configuration provides full-featured RAID functionality One (1) 4U enclosure One (1) RAID controller module One (1) 512MB DDR RAM DIMM module preinstalled on the controller module; system supports 512MB to 2GB capacity DIMM modules Three (3, N+1) hot-swappable, redundant, 405W power supply units Twenty-four (24) hot-swappable drive trays Two (2) hot-swappable, redundant cooling modules Two (2) forearm front handles One (1) optional battery backup unit (BBU) Host Interface Two (2) SCSI-320 host channels interfaced through two (2) dual-stacked VHDCIs Tagged command queuing up to 256 Host-side ordered tag support Drive Interface Twenty-four (24) hot-swappable 3Gbps SATA II drive trays that accommodate 1-inch pitch SATA II or SATA I disk drives Native Command Queuing (NCQ) support Dedicated bandwidth to each connected drive Automatic bad sector reassignment Management Firmware-embedded utility via LCD keypad or RS-232C terminal 10/100BaseT Ethernet for out-of-band management Two (2) COM ports for local access to firmware-embedded utility and UPS connectivity Telnet access via onboard Ethernet port Java-based RAIDWatch® Manager Graphical user interface Local/remote management; in-band or out-of-band via TCP/IP Centralized management of multiple subsystems from one management computer A variety of event notification methods via the Configuration Client sub-module: email, fax, LAN broadcast, SNMP traps, MSN messenger, ICQ, and SMS short messages Secure link over SSL Indicators Onboard alarm Module status LED indicators Two (2) per drive tray Two (2) per cooling module One (1) per power supply unit One (1) per BBU module Three (3) per LCD panel Four (4) per RAID controller module Two (2) per Ethernet port Module failure indication and temperature/voltage readings through I2C bus |