E-7
Technical Specifications
DuraStor 7200S External RAID Controller
Onboard CPU
Mobile Pentium II
333 MHz, 256-KB on-
chip L2 cache
Host/device data rate
100-MB/sec per Fibre Channel
connections (200 MB/sec Full Duplex).
Host interface channels
Two 100 MB/sec Fibre Channel ports.
FC protocol
FC-AL, point-to-point, and switched
fabric support
Device interface channels
Four 160-MB/sec Ultra160
SCSI device
channels
SCSI protocol
Narrow (8-bit) or Wide (16-bit): Fast
(20MB/sec), Ultra (40MB/sec), Ultra2
(80MB/sec), Ultra160 (160MB/sec)
Advanced RAID features
Active-active, host-independent
failover/failback in the 2x4
configuration
Write-back data cache memory bus, 800
MB/sec bandwidth
On-line capacity expansion
Up to 24 independent logical arrays per
subsystem
Spare pooling and dedicated spares;
array verification
Controller/drive hot swap supported
Array status monitoring; adjustable
stripe width; automatic sector
remapping
User-settable priority for array
Reconstruct, Verify, Create, and Expand
operations
Arrays configurable as RAID levels 0, 1,
3, 4, 5, 10, 50, JBOD
Advanced hardware
features
64 MB to 512 MB, PC-133 compatible
SDRAM DIMM, ECC protected
16 MB ECC protected onboard SDRAM
processor memory
2 MB onboard Flash memory for
upgradable firmware
Integrated Nickel Metal Hydride
(NiMH) cache battery backup interface
DuraStor IUG - Online.book Page 7 Friday, July 19, 2002 3:06 PM