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The management port can be transferred smoothly to the other controller with
the same IP address
6. Online firmware upgrade, no system down time (only for DSN-6420)
7. Multiple target iSCSI nodes per controller support
Each LUN can be attached to one of 32 nodes from each controller
8. Front-end 2 x 10GbE iSCSI ports with high availability/load balancing/fail-over support
per controller
Microsoft MPIO, MC/S, Trunking, LACP, and etc.
9. SBB Compliant
System key components
1. CPU: Intel Xscale IOP 81342
2. Memory: 4GB DDRII 533 DIMM
3. Hardware iSCSI off-load engine
4. 2 x UARTs: serial console management and UPS
5. Fast Ethernet port for web-based management use
6. Backend: 12 x SAS or SATA II drive connections
7. Front-end: 2 x 10GbE iSCSI ports per controller
8. Hot pluggable BBM
9. SAS JBOD expansion port for expansion
10. Multiplexer board support for SATA drives (optional, on Dual controller mode)
11. Two power supplies
12. Redundant fans
RAID and volume operation
1. RAID level: 0,1,0+1,3,5,6,10,30,50, 60, JBOD, and N-way mirror
2. Up to 1024 logical volumes in the system
3. Up to 32 PDs can be included in one volume group
4. Global and dedicated hot spare disks
5. Write-through or write-back cache policy for different application usage
6. Multiple RAID volumes support
7. Configurable RAID stripe size
8. Online volume expansion
9. Instant RAID volume availability
10. Auto volume rebuilding
11. On-line volume migration with no system down-time
Advanced data protection
1. D-Link writeable snapshot
Built-in snapshot with rollback enabled
Snapshot enabled up to 16 volumes, each logical volume supports up to 32
snapshot volumes, total 512 snapshot volumes per system
2. Microsoft Windows Volume Shadow Copy Services (VSS)
3. Configurable N-way mirror for high data protection
4. Online disk roaming