EonStor DS S48 Series Hardware Manual
6 Appendix
6.1
Technical Specifications
6.1.1
Host/Drive Interface
Fibre/iSCSI Hybrid-host RAID models (S48F-R/G2842-6 series)
Host O/S Compatibility
Host O/S independent
Host Interface
8Gbps Fibre C RJ-45 Gigabit Ethernet
Host Channels
4 pre-configured Fibre host channels (per controller) +
2 pre-configured iSCSI host channels (per controller)
Drive Interface
Supports up to 16 channels of 6Gbps SAS (dual controller model) or
3Gbps SATA-II / 6Gbps SATA-III (single controller model)
Drive Channels
All drive channels are pre-configured and cannot be changed
JBOD models
SAS Interface
Eight SMP PHYs interfaced through two SAS 4x wide ports
Drive Interface
Supports up to 24 channels of 3Gbps / 6Gbps SAS or 3Gbps
SATA-II
Drive Channels
All drive channels are pre-configured and cannot be changed
6.1.2
RAID Configurations for RAID Models
Configuration
Description
RAID Levels
0, 1(0 + 1), 3, 5, 6, 10, 30, 50, 60, and non-RAID disk spanning
Cache Mode
All drive channels are pre-configured and cannot be changed
Cache Memory
Write-through, write-back, and adaptive write policy
Multiple Target IDs/Host
Channel
Up to 32 per host ID, for a total of 1024 on all host channels
Aliases for Target IDs
Yes
Firmware on Flash Memory
Yes
CPU 2x
RISC-based
CPUs
Host Channel Chip
Controllers
PMC chipsets
DRAM Slot
For one 240-pin DDR-II SDRAM module
ASIC
Infortrend ASIC667 64-bit chipset
Flash ROM
64Mbit (8MB)
NVRAM
32KB with RTC (with the Embedded RAIDWatch utility)
Hardware XOR
Yes
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