Promise Technology VTrak 15110 - Manual (Page 13)

Chapter 1: Introduction
5
Specifications
Drive Capacity: 15 SATA and PATA disk drives (3.5" x 1" form factor only)
External I/O Ports: Dual Ultra 160 SCSI with 68-pin VHDCI connections
Sustained Throughput: Up to 200 MBps (over two iSCSI ports)
Sustained I/Os: Up to 20,000 I/Os per second
Data Cache: Up to 512MB predictive data cache with automatic write cache
destaging and 72-hour battery backup protection (256 MB, standard)
Supported RAID Levels:
Any combination of these RAID levels can exist at once on separate logical
drives. See page 207 for more information on RAID.
RAID Flexibility: Configurable RAID stripe size – 4,8,16,32 or 64 sectors per disk.
Rebuild priority tuning: Adjustment of minimum I/O reserved for server use during
rebuild.
Hot-spares: Multiple global and designated hot spares.
Maximum Disks & LUNs: 15 in any combination of RAID levels and drive types.
Supported Disk Interfaces: Serial ATA (SATA), Parallel ATA (with optional
Promise adapter).
Cluster support Supports two-node server clusters for
performance and availability.
Complete cable-less design All components easily plug directly into
boards. No cables to complicate setup or
maintenance.
Cache battery backup 72-hour backup for controller cache to retain
data in case of power failure.
Command-line and Graphic-user
interfaces Choice of control and monitoring methods
for greater flexibility.
• RAID 0 • RAID 1 • RAID 3
• RAID 5 • RAID 10 • RAID 50
Feature Benefit