|
 With performance up to three times faster than the previous generation, the IBM BladeCenter JS21 is the premier blade server for 64-bit UNIX and Linux applications. The JS21 delivers a breakthrough building block solution for HPC clusters, scientific research in life and earth sciences, Web serving with applications such as IBM WebSphere®, and server consolidation with optional Advanced POWER Virtualization.
Product features
- High-density blade server compatible with any BladeCenter family chassis
- 2-core or 4-core SMP scalability · 64-bit IBM PowerPC® 970MP with AltiVec** SIMD accelerator
- Advanced POWER Virtualization (optional) including support for Virtual LAN POWER Hypervisor™, Micro-Partitioning (up to 40 partitions), Shared processor pool, Virtual I/O Server, and Integrated Virtualization Manager
- IBM Director industry-leading systems management software
- Support for AIX 5L v5.2 and v5.3, Red Hat Enterprise Linux AS 4 for POWER, and SUSE Linux Enterprise Server 9 for POWER
- Support for eServer Cluster 1350 and Cluster Systems Management software
Hardware summary
- 2-socket single-core: 2.70GHz*, 1MB L2 Cache
- 2-socket dual-core: 2.50GHz*, 2x1MB L2 Cache
- 16GB maximum memory in 4 DIMM slots
- High-performance DDR II SDRAM 400 or 533 MHz
- Integrated SAS Controller plus RAID-10 mirroring
- Up to two 2.5" 10K Serial Attached SCSI (SAS) hard drives supporting up to 146GB maximum internal storage
- Integrated Broadcom 5780 controller supporting 17X PCI-Express connector and dual Gigabit Ethernet
- Integrated systems management including Serial over LAN support via Ethernet
- Enterprise reliability with light path diagnostics, Predictive Failure Analysis®, ECC and Chipkill™ memory
- Support for Calibrated Vector Cooling™ and IBM Power Executive to monitor power and maintain optimum cooling
*Processor frequencies when installed in BladeCenter H. Frequency reduced to 2.60GHz (single-core) and 2.30GHz (dual-core) when installed in other BladeCenter chassis. In all BladeCenters, autonomic power and thermal controls may reduce the processor frequency in certain operating conditions. **AltiVec is a trademark of Freescale Semiconductor, Inc
|
Feature |
|
Benefits |
|
64-bit IBM PowerPC 970MP up to 2.70GHz, 1MB L2 cache per core |
|
- Single-core or dual-core POWER processor capable of running 32- and 64-bit AIX and Linux applications
- Integrated AltiVec technology co-processor delivering leadership SIMD performance for compute-intensive floating point and graphically-rich scientific applications
|
|
Optional Advanced POWER Virtualization |
|
- First blade to support Micro-Partitioning, Integrated Virtualization Manager, and Virtual I/O Server (VIOS), the same advanced virtualization technology supported by IBM System p5™ servers
- Support for up to 10 partitions per core at a fraction of the price of the leading x64 alternative
|
|
High-density blade form factor |
|
- Up to 14 blade servers per chassis
- Exceptional price-performance per watt for Linux clusters and thermal-sensitive data centers
|
|
Up to 16GB of DDR2 memory |
|
- Support for ECC and Chipkill standard for mainframe-inspired fault protection
- Support for either 400 MHz PC2-3200 or 533 MHz PC2-4200 memory for the ultimate in performance
- Double the memory capacity of the previous generation JS20
|
|
146GB maximum internal storage |
|
- Up to two internal 2.5" 10,000 rpm Small Form Factor Serial Attached SCSI (SAS) hard disk drives for up to 146GB of storage
- Integrated support for RAID-10 mirroring
- SCSI-based enterprise reliability combined with increased performance
|
|
Integrated Broadcom 5780 PCI-Express controller with dual Gigabit Ethernet |
|
- 17X PCI-Express capability serving as the interconnect for 10Gb Ethernet, 4Gb Fibre Channel or 4X InfiniBand when deployed into the BladeCenter H chassis
- High performance and reliability including software support for load-balancing, teaming and failover
|
|
BladeCenter interconnects |
|
- Dual midplane connections on the blade for redundancy and performance
- Expansion capabilities for Fibre Channel, Gigabit Ethernet, Myrinet and InfiniBand
|
|
Proven reliability and systems management |
|
- Integrated systems management processor delivers true hardware-based monitoring and alerting
- IBM Director software marries hardware-based monitoring with comprehensive systems analysis
- Light path diagnostics provides a lighted path to failed or failing components to expedite hardware repairs and reduce service time
- Predictive Failure Analysis provides proactive monitoring of critical system components enabling scheduled maintenance versus an unplanned failure
- Better reliability, performance and data center management with IBM Power Executive, which details the exact power consumption of your BladeCenter blade servers
- Support for Cluster Systems Management (CSM) for AIX and Linux to simplify management and reduce cost and complexity of distributed and clustered blades in technical and commercial computing environments through single point of control
|
|
NEBS-3-/ETSI-compliant (with BladeCenter T only) |
|
- Designed to meet the rigorous Network Equipment Building System (NEBS) standards for electromagnetic compatibility, thermal robustness, fire resistance, earthquake and office vibration resistance, transportation and handling durability, acoustics and illumination, and airborne contaminant resistance
- Increases server availability under extreme temperatures via a power management capability that automatically reduces the frequency of the processor in order to maintain acceptable thermal levels. The processor frequency will automatically cycle back up as thermal conditions improve.
|
|
Operating system support |
|
- AIX 5L 5.2M and 5.3E, Red Hat Enterprise Linux AS4 U3 and U4 and SUSE Linux Enterprise Server 9 SP2 and SP3
|
|
3-year onsite limited warranty |
|
- Flexible 3-year limited warranty for parts and labor with 9x5 next business day response, upgradeable to 24x7, same business day, and 4-hour response
|
| Specifications |
|
|
| Form factor |
|
High-density blade server for BladeCenter, BladeCenter H or BladeCenter T |
| Processor |
|
64-bit IBM PowerPC 970MP with integrated AltiVec SIMD accelerator |
| Number of processors |
|
Two-socket single-core (2.70GHz) or two-socket dual-core (2.50GHz) |
| Level 2 cache |
|
1MB per core |
| Memory (std/max) |
|
1GB (2-core) or 2GB (4-core), up to 16GB maximum per blade, 400 or 533 MHz ECC Chipkill™ DDR II SDRAM, 4 DIMM slots |
| Internal disk storage |
|
Up to two 2.5" Serial Attached SCSI (SAS) 10K rpm 36GB or 73GB non-hot-swap hard disk drives per blade, maximum 146GB |
| RAID support |
|
Integrated controller for RAID-0, -10 mirroring |
| Networking |
|
Integrated Broadcom 5780 controller with Dual Gigabit Ethernet, optional dual gigabit Ethernet daughter card |
| I/O upgrade |
|
Integrated PCI-Express connector for high-speed daughter cards, Integrated connector for legacy daughter cards |
| Optional connectivity |
|
4 Gb Fibre Channel, 1 or 10 Gigabit Ethernet, 1X or 4X InfiniBand |
| Optional Advanced POWER Virtualization |
|
Virtual LAN POWER Hypervisor™, Micro-Partitioning, Shared processor pool, Virtual I/O Server, Integrated Virtualization Manager |
| Systems management |
|
Integrated systems management processor, IBM Director, light path diagnostics, Predictive Failure Analysis®, IBM Power Executive®, Cluster Systems Management, Serial Over LAN, IPMI-compliant |
| Operating systems |
|
AIX 5L v5.2 and v5.3, SUSE Linux Enterprise Server 9 for POWER™, Red Hat Enterprise Linux AS 4 for POWER |
| System dimensions |
|
Blade: 9.65 in (245.2 mm) H x 1.14 in (29 mm) W x 17.55 in (445.8 mm) D, Weight: 9.6 lbs. (4.35 kg) |
| Limited warranty |
|
3-year, onsite, next business day limited warranty, upgradeable to 24-hour, same business day warranty |
 |
|
|
|
|
