controller provides two 4 Gb/s Fibre Channel
(FC) connectivity and native support for serial ATA-I and serial ATA
II (SATA 3Gb/s) disk drives – enabling it to power robust, yet cost-effective,
storage solutions ideally suited for entry-level to a mide level and
secondary storage requirement.
Dual-active 2990 controllers are integrated into a SATA drive enclosure,
creating a fully featured 16-drive storage system in a 3U module. Up
to 22 additional SATA or FC drive enclosures are supported for a maximum
storage capacity 1,536TB of storage with 352 disk drives.
This entry-level controller delivers superior features and functionality
to direct-attach (DAS) and storage area network (SAN) environments.
Dual-active 2990 controllers are integrated into a SATAII drive module,
creating a fully featured 16-drive storage system in a 3U enclosure.
Additional SATA or FC drive modules can be added to improve performance
and increase capacity.
The 2990 controller combines high-speed, industry-standard components
with Nomadic robust firmware to deliver enterprise-class functionality
and exceptional value. Each 2990 controller has two 4 Gb/s Fibre Channel
host I/O ports (four per dualcontroller storage system) supporting direct
host or SAN attachments. Its two SATA interface chips enable the 2990
to natively support up to 16 SATA drives in the initial enclosure. Additional
capacity past the 16 SATA drives is achieved through the 2990’s
4 Gb/s FC expansion ports. There are two FC drive-side ports per controller,
one of which is external. In dual-controller con•gurations these
ports are interconnected through the midplane, creating dual drives
loops that provide both controllers redundant access to all attached
disk drives.
The 2990 controller’s high-speed bus has the “width”
to handle large-block I/O, and the “speed” to process small-block
I/O. Its I/O system core provides built-in hardware XOR for high-speed
RAID parity calculations – enabling the 2990 controller to easily
handle this very compute-intensive task. And online con•guration,
recon•guration, expansion, performance tuning and firmware maintenance
enable “anytime administration.” All GVS enterprise controllers,
from the entry-level 2990 to the high-end, run the same firmware. This
long-standing and •eld-proven implementation creates a lower total
cost of ownership and higher return on investment by enabling “data
intact” upgrades and recon•gurations, common features and
functionality, centralized management, a consistent interface and reduced
training and support costs, with GVS long lasting experince with storage
market with on going R&D enabling to deliver customer with ability
to run 99.999% avaliblity as our track record has showen.
 |
|
|
|
|
| Model |
|
| |
|
| RAID Controller |
Controller 2990C/ RAID |
| |
|
| Part Number |
PN CON-2990C-04 |
| |
|
| Model Number |
2990C |
| |
|
| Processor |
Intel XScale XOR engine RAID parity |
| |
|
| Memory |
128MB, 256MB, 1GB and 2GB DDR ECC |
| |
|
| Battery Backed for Cache |
Yes |
| |
|
| Connectivity / Interface |
Two 4Gb/s host interface |
| |
|
| Point to Point suport |
Yes |
| |
|
| Fibre arbitrated loop and switched fabric support |
Yes |
| |
|
| Number of SATA-II driv esuport |
16 drive channels |
| |
|
| Maximum drive suport |
196 |
| |
|
| 10/100 BaseT Ethernet port for out-of-band management |
Yes |
| |
|
| RS-232 interface connector for troubleshooting &
Diag. |
Yes |
| |
|
| Optimized for disk-based performance |
Yes |
| |
|
| On-Screen Manager |
Yes |
| |
|
| Automated I/O path protection with host-based |
Yes multipath with failover drives |
| |
|
| Online administration, confguration and maintenance |
Yes |
| |
|
| Centralized management from any location |
Yes |
| |
|
| GUI and command line |
Yes |
| |
|
| Extensive operating system, host adapter and SAN infrastructure
support |
Yes |
| |
|
| Integrated storage partitioning, snapshot, volume copy
and remote mirroring functionality |
Yes |
| |
|
| Common firmware across all Nomadic storage |
Yes |
| |
|
| Maximum sustained throughput rate from SATA disk |
495 MB/s |
| |
|
| Maximum burst I/O rate from cache |
70,000 IOPS |
| |
|
| Maximum sustained I/O rate from SATA disk |
10,000 IOPS |
| |
|
| RAID levels |
0, 1, 3, 5, 6 and 1+0 supported |
| |
|
| One to 30 drives supported per volume group |
Yes |
| |
|
| One or more storage volumes per volume group |
Yes |
| |
|
| Variable segment sizes per storage volume |
Yes |
| |
|
| Supports multiple caching policies on a storage volume
basis |
Yes |
| |
|
| Read enable/disable and write enable/disabl |
Yes |
| |
|
| Write back/write through, read ahead, battery |
Yes |
| |
|
| Automatic drive failure detection |
Yes and rebuild using global
one or two hot spare drive |
| |
|
| Backed, enable and disable mirroring |
Yes |
| |
|
| Dynamic RAID level migration |
Yes |
| |
|
| Dynamic segment size migration |
Yes |
| |
|
| Dynamic storage volume expansion |
Yes |
| |
|
| Dynamic storage volume expansion |
Yes |
| |
|
| Warranty |
One year |
| |
|
