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| | IBM Launches New Unix Version |
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Categorie: Software
Posted: 2002-10-14 by Gmtech
Views: 537
Source: Click here
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| | Details |
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The previous version of AIX, version 5.1, had static partitions, which meant administrators had to reboot after making changes to system resource utilization, Giga's Brad Day said.
In a competitive move against Sun Microsystems, IBM (NYSE: IBM) has released new eServer software designed to let customers harness the untapped power within their Unix systems.
Big Blue claims the software, AIX 5L Version 5.2, improves system utilization and helps lower costs through mainframe-style workload balancing and the ability to add resources on the fly.
While industry averages for Unix server utilization are between 10 and 15 percent, IBM claims peak utilization can average from 85 to 100 percent with its new AIX software. Company executives said cost savings depend on automated workload management capabilities.
Giga Information Group vice president Brad Day told NewsFactor that companies using the new version of AIX can expect to see a 30 to 50 percent productivity improvement in operations management.
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Virtual Servers
AIX is available for new and existing eServer pSeries systems and allows users to divide their server into smaller "virtual" servers running either Unix or Linux.
Users can exploit the full power of their systems by shifting workloads and changing resources transparently, just as in the mainframe world. So, if one partition experiences a problem and needs to be restarted, it does not affect any of the other virtual servers on the system.
"Too often, customers feel performance and scalability constraints while resources lie dormant within their current systems," said Adalio Sanchez, general manager of IBM eServer pSeries. Sanchez added that AIX allows users to harvest the full potential of existing IT investments.
The Power of Partitioning
This is accomplished, in part, by allowing users to create virtual servers on dynamic partitions that are as small as a single processor and 250 MB of memory. The smaller the partition, the more efficient the resource allocation and, potentially, the lower the total cost of ownership.
Big Blue's new implementation of dynamic logical partitioning (LPAR) allows system resources, including processors, memory and other components, to be assigned to independent partitions without rebooting the system. Company execs said this feature was designed to ease system management and contributes to lower total cost of ownership because resources are better utilized.
Day said the previous version of AIX, version 5.1, had static partitions, which meant that administrators had to reboot after altering system resource utilization. In contrast, he noted, "dynamic logical partitioning gives greater flexibility in terms of how you carve up your CPU, memory and I/O (input/output) in systems. As workload changes, whether you're running a database, Web server or application server, you can move CPU [power], memory and I/O to those apps on the fly."
In addition, he said, system administrators can use the AIX workload manager to prioritize the use of memory, CPU and I/O by user type, application type or user ID.
Uninterrupted Capacity Upgrades
Another new AIX feature is Capacity Upgrades on Demand (CuoD). This function is designed to work synergistically with LPAR to help system administrators adapt to changing workloads and rapid growth without interruption in service.
With CuoD and dynamic LPAR working in unison, a new processor can be brought online automatically -- at no additional charge to the customer and with no interruption in service or performance degradation -- if an IBM eServer pSeries system processor fails, according to company executives.
Users also can add new processors in pairs to meet increased workloads without interrupting operations.
Sun executives could not be reached for comment.
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