The DCS3700 provides a simple, efficient and flexible approach to storage that is based on seven generations of design knowledge and firmware development. The DCS3700 can provide a cost-effective, fully integrated complement to IBM System x® servers, IBM BladeCenter® and IBM Power Systems™ for a wide variety of intensive computing environments.
| Feature | Benefits |
| Up to 60 nearline SAS drives in 4U | - Highly dense storage to maximize rack space efficiency and reduce cost, with 60 nearline SAS drives in 4U, expandable to 180 drives or 360 drives with IBM DCS3700 with Performance Modules option
- Lower overall annual energy expenditures with 45 TB per U providing highly efficient enclosures
|
| Redundant, hot-swappable components | - Fully redundant components, automated I/O path failover and online administration that create “always-on” availability to ensure your data is always accessible
- Front-load, 12-drive drawers can be extended while drives remain active
|
| 6 Gbps SAS host interface | - Helps improve bandwidth utilization, management and network robustness
- Second-generation, 6 Gbps SAS builds upon the solid foundation of 3 Gbps SAS, with performance improvements and reliability enhancements
- Direct attachment support and the capability to be shared by multiple host servers offers ease of use and simplicity at an affordable price
|
| 8 Gbps Fibre Channel host interface | - Fibre Channel, a mature and proven technology now available at 8 Gbps, is the host interface of choice for high-performance environments
|
| Backup and replication capabilities | - New firmware code supports up to 512 IBM Enhanced FlashCopy images† per storage system and eight per volume support granular backup and recovery; FlashCopy rollback provides nearly instantaneous mapping of FlashCopy volume to base volume
- Reduces backup times with the high speed of Enhanced FlashCopy
- Remote Mirroring provides storage system-based data replication from one DCS3700 storage system to another, using either synchronous or asynchronous data transfers over Fibre Channel communication links
|
| Data protection levels and storage partitions | - New Dynamic Disk Pooling offers greater data protection and more consistent performance than traditional RAID options
- RAID levels 0, 1, 3, 5, 6 and 10 give you the flexibility to choose the level of protection required
- Storage partitions that logically divide a single DCS3700 storage system into multiple systems manage volume-to-host access
|
| Drive intermix support | - Supports intermixing of SSDs, high-performance SAS drives and nearline SAS drives
|
| Intuitive IBM DS Storage Manager | - A powerful yet easy-to-use and intuitive graphical user interface for DCS3700 administrative activities
- Includes configuration, reconfiguration, expansion and routine maintenance, as well as performance tuning and management of advanced functions
|
| Dynamic Disk Pooling and thin provisioning | - Dynamic Disk Pooling helps you see the performance of your storage device using new disk virtualization functions that provide a recovery advantage if a system experiences a disk unit failure resulting in data loss
- Dynamic Disk Pooling also provides for thin provisioning, which helps to significantly increase the efficiency of storage capacity utilization with very little administrative overhead
- Thin provisioning is designed to manage storage space and avoid unused resources
- No more unnecessary storage expenses: thin provisioning can help to save storage capacity, helping to remove the need to purchase all storage up front for each request
|
| Energy-saving features | - Power supplies are designed to meet multiple efficiency standards and variable speed fans help reduce power consumption and provide a lower overall total cost of ownership
- Optimized for maximum storage density, with 60 drives housed within just a 4U enclosure
|
| Models | DCS3700 storage system
DCS3700 with Performance Modules storage system
DCS3700 expansion unit |
| RAID controller | Dual-active, intelligent controllers |
| Cache per controller | Base DCS3700 storage system:
4 GB cache (2 GB per controller) with field or plant upgrades to 8 GB (4 GB per controller)
DCS3700 with Performance Modules storage system 12, 24 or 48 GB (6, 12, 24 GB per controller) |
| Host interface | Base DCS3700 storage system: - Two 6 Gbps SAS host ports per controller standard with the option to add a daughter card with additional SAS or Fibre Channel connectivity
- Two 6Gbps SAS ports per optional host interface card
- Four 8 Gbps Fibre Channel ports per optional host interface card (includes eight 8 Gb shortwave small form-factor pluggable transceivers)
DCS3700 with Performance Modules storage system: - Four 8 Gbps Fibre Channel host ports per controller with the option to add a daughter card with additional Fibre Channel connectivity
- Four 8 Gbps Fibre Channel ports per optional host interface card (includes eight 8 Gb shortwave small form-factor pluggable transceivers)
|
| Drive interface | One 6 Gbps SAS drive interface |
| Supported drives | 6 Gbps SAS 3.5-inch drives: - 2 TB 7.2k rpm nearline
- 3 TB 7.2k rpm nearline
6 Gbps SAS 2.5-inch drives: SAS 2.5-inch SSDs: |
| Data Protection levels | RAID levels 0, 1, 3, 5, 6, 10 or Dynamic Disk Pooling |
| Storage partitions | Eight partitions standard with upgrade options (16, 32, 64 and 128 for base DCS3700 storage system and up to 512 for DCS3700 with Performance Modules) |
| Maximum drives supported | Base DCS3700 storage system:
Up to 180 drives per system with the attachment of two DCS3700 expansion units (60 drives per enclosure) 20 drives minimum drive quantity per enclosure*
DCS3700 with Performance Modules:
Up to 360 drives per system with the attachment of five DCS3700 expansion units (60 drives per enclosure) 20 drives minimum drive quantity per enclosure* |
| Fans and power supplies | Two each per enclosure |
| Rack support | Slim 4U, 19-inch rack mount enclosure |
| Management software | DS Storage Manager |
| Warranty | One-year warranty. On-site service 24x7, 4-hour average and same-day response |
| Size | Fits in a standard 1,000 mm cabinet (32 in. maximum depth) |
| Environment | Operating temperature range: 10°C – 40°C (50°F – 104°F) |
| Heat output | 4,030 BTUs per hour |
| Supported systems | IBM System x servers, BladeCenter and Power Systems
Operating systems supported: Apple Macintosh, Solaris (W-SAS Single Drive), Linux, IBM AIX®, Microsoft Windows |
| Features | Benefits |
| Supports up to sixty 3.5-inch nearline SAS drives in just 4U | Achieves great capacity per rack and density per floor tile with support for up to 45 TB per U |
| Unrelenting performance | Meets the demands of high-performance computing and streaming media environments |
| Front-load, 12-drive drawers which can be extended while drives remain active | Offers superior serviceability and easy installation or replacement of individual drives |
| Supports up to 180 drives with two additional DCS3700 Expansion Units | Meets the most demanding data growth requirements |
* Limitation - A maximum of 20 SSDs are supported in DCS3700 Controller Enclosures
