E-4
DuraStor 412R/6320SS/7320SS Installation and User’s Guide
DuraStor 6200S External RAID Controller
Onboard CPU
Mobile Pentium II
333 MHz, 256-KB
on-chip L2 cache
Host/device data rate
160-MB/sec Ultra160 SCSI
Host interface channels
Two 160-MB/sec Ultra160 SCSI
Channel (1x3 or 2x2), the default is two
channels
Device interface channels
Two or
three 160-MB/sec Ultra160
SCSI device channels; the default is
two 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 2x2
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 4 Friday, July 19, 2002 3:06 PM