General

• iSNP ASIC: iSCSI/TCP/IP full offload, SCSI3, cache management, volume virtualization, and Serial ATA
• Management Processor: XPC8241 Motorola PowerPC®
• Cache Memory: ECC, 512 MB - 4 GB (Battery protected)
• System Memory: ECC, 512 MB
• Flash: 64 MB

Volume Virtualisation Features

• JBOD, Striped sets, Mirrored sets, Striped Mirrored sets, and Parity sets
• 1024 Virtual Volumes (256 accessible per initiator)
• 1024 Target Nodes
• MC/S multiple connections/session
• iSCSI error recovery levels 0
• RAID level migration
• Free space defragmentation
• Online capacity expansion
• Write-through, write-back, write-coalescing, and read-ahead
• Battery-backed cache
• Automatic detection of failed drives
• Automatic rebuild of spare drive
• Hot-swapping of drives
• Drive roaming during power off
• Micro rebuilds
• Instant volume accessibility

iSCSI Network Interface

• RFC Standard Track (RFC3720,RFC3721,RFC3723,
• RFC3783 and RFC3347) including features of CHAP
• Authentication and iSNS for discovery
• iSCSI/TCP/IP full hardware offload
  
• Supports standard Ethernet switching fabric
• Jumbo Frames support
• Transfer rate: Up to 220 MB/s full duplex per port
• iSCSI digest (CRC) supported on header and data
• LAG (IEEE 802.3ad Link Aggregation Group) Support for up to eight LAGs
• VLAN (IEEE 802.1Q Tag) Support Up to eight VLANs
• One to one mapping between IP Subnet and VLAN
• Multiple VLANs per physical port with VLAN tag
• All physical ports in an LAG belong to the same VLAN
• QoS Support
• Egress packet prioritization based on IETF
• DiffServ and IEEE 802.1P tag1024 Connections
• TCP/IP Support
• RFC 1122 compliant
• TCP: Congestion management and flow control based on RFC 2581; Options: MaximumSegment Size (MS); Round Trip Time; Measurement (RTTM); Window Scale IP: Path MTU Discovery and IP Reassembly

Storage Network Management

• IP-SAN Device Manager (IDM) Create, manage, expand, and monitor programs Error statistics and performance information
• Embedded HTTPS server supporting
• CIM/SMIS standard
• Event Manager to view and persist events
• Firmware field upgradable