Asus DS300f, Руководство пользователя

Страница: 23 / 449

4
Chapter 1: Introduction to ASUS Storage
•
Interfaces:
•
ASUS Storage Management, through browser and Ethernet
•
CLU and CLI, through serial and Telnet
•
Subsystem buzzer and LEDs
External Ports
•
High-availability DAS, NAS, SAN, and cluster-friendly platforms:
•
Dual 8 Gb/s FC host ports plus dual GbE iSCSI host ports
•
Four GbE iSCSI host ports
•
3 Gb/s SAS x4 JBOD expansion port.
•
10/100Mb RJ45 Ethernet management port.
•
RJ11 serial port supports RS232 protocol via adapter cable.
•
USB 2.0 external ports for subsystem management.
RAID Support
•
Automatic, Express, and Advanced RAID configuration options.
•
Supports RAID levels 0, 1, 1E, 3, 5, 6, 10, 30, 50, and 60.
•
Supports any combination of RAID levels at the same time.
•
Configurable stripe sizes: 64 KB, 128 KB, 256 KB, 512 KB, and 1 MB.
•
Multiple global or dedicated hot-spare drives with reversion option.
•
Up to 256 LUNs per subsystem.
•
Up to 32 logical drives (LUNs) per disk array.
•
Out-of-order logical drive deletion and re-creation.
•
LUN masking and mapping.
•
Extensive SCSI command set.
•
16-byte CDB for 64-bit LBA addressing.
•
Predictive Data Migration (PDM) replaces un-healthy disk member in array
and maintains I/O activity during the transition.
•
Hard/soft reset to recover HDD from bad status.
•
Power-control to recover HDD from hung status.
•
Write Hole Table to prevent RAID 5/6 inconsistent data.
•
Read/Write Check Table to prevent data content errors.
•
NVRAM event logging.