IBM LoadLeveler for AIX 5L, V3.3 gives administrators more control over scheduling processIBM United States Software Announcement 205-084
April 12, 2005
|At a glance|
IBM LoadLeveler for AIX 5L schedules applications to IBM pSeries servers, eServer p5 servers, BladeCenter JS20, and Cluster 1600 running AIX 5L for POWER V5.2 or V5.3.
- Improves scheduling capabilities, giving administrators more control over their jobs
- Reduces the number of environment variables LoadLeveler has to copy, reducing the time needed to prepare jobs
- Reduces or eliminates wait time in the queue by allowing specific node resources to be reserved for exclusive use by particular users
- Allows jobs to be preempted so a higher priority job step can run
For ordering, contact:
Your IBM representative, an IBM Business Partner, or IBM Americas Call Centers at
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LoadLeveler® for AIX® 5L, V3.3 schedules jobs and provides functions for building, submitting, and processing jobs quickly and efficiently in a dynamic environment.
Version 3.3 provides the following enhancements:
- Job launch enhancements with increased flexibility and processing options
- Advance reservation, allowing administrators and authorized users to schedule exclusive use of node resources
- Support for preemption under the Backfill scheduler
- Ability to stage executables when job steps are checkpointed
- Ability to specify a fixed system priority for a job step by administrators
- Ability to configure the central manager, providing more control over the scheduling process
- Support of bulk data transfer for jobs that use either Internet Protocol or User Space communication mode
Release 3 is the last release that will support Gang preemption. The method used for preemption has been replaced with the new Backfill scheduling preemption capability.
LoadLeveler V3.1 will be withdrawn from marketing on April 29, 2005, and withdrawn from
service on April 1, 2006. LoadLeveler V3.3 replaces V3.2; V3.2 is no longer available to
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- AIX 5L for POWER V5.2 or V5.3
Any one of these systems:
- IBM pSeries® servers
- IBM p5 servers
- IBM BladeCenter servers
- IBM Cluster 1600
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|Planned availability date|
April 29, 2005, for all systems except LoadLeveler on IBM
eServer® BladeCenter JS20 running AIX V5.3, which is planned to be available
August 26, 2005
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LoadLeveler is a job management system that allows users to run more jobs in less time by matching the jobs' processing needs with the available resources. LoadLeveler schedules jobs and provides functions for building, submitting, and processing jobs quickly and efficiently in a dynamic environment. Batch jobs can be submitted, either serial or parallel, to run in the background and require no input from the user.
Version 3.3 is supported on both AIX 5L V5.2 and V5.3. Enhancements include:
Increased job launch flexibility and processing options:
- Administrators may define a number of LoadLeveler starter processes to be ready and waiting to handle job requests. Having this pool of ready processes reduces the time LoadLeveler needs to prepare jobs to run.
- Both administrators and general users have more control over how environment variables are copied for a job. Reducing the number of environment variables LoadLeveler has to copy reduces the amount of time LoadLeveler needs to prepare jobs to run.
- LoadLeveler allows administrators and users authorized by administrators to specify a time period during which specific node resources are reserved for exclusive use by particular users or groups of users. Normally, jobs wait in a dispatch queue until the resources they require become available. With advance reservation, jobs can be submitted to run in a reservation to reduce the wait time because the jobs have exclusive use of the reserved node resources as soon as the reservation period begins. A reservation can also be used to run a workload that needs to start or finish at a particular time.
- The LoadLeveler Backfill scheduler allows jobs to be preempted so that a higher priority job step can run. Previously, this capability was available only under the Gang scheduler. With the Backfill scheduler, administrators may specify not only preemption rules for job classes, but also the method that LoadLeveler uses to preempt jobs.
- LoadLeveler allows the staging of executables for "checkpointable" job steps. When the job step is started, the executable is copied to a specified directory on the node running the master task.
- LoadLeveler allows administrators to specify a fixed system priority for a job step. The LoadLeveler Central Manager will not change this priority when it recalculates job priorities.
- LoadLeveler allows a system priority threshold to be specified such that job steps can only run when their system priorities are higher than the threshold.
- LoadLeveler allows administrators more control over the scheduling process: Normally, the LoadLeveler Central Manager automatically runs a scheduling algorithm at intervals specified in the configuration file. Now administrators can configure the Central Manager so that it runs the scheduling algorithm only when specifically instructed through the llrunscheduler command or ll_run_scheduler subroutine.
- On AIX systems, LoadLeveler adds a job key to both AIX and LoadLeveler accounting records. This addition allows AIX and LoadLeveler accounting records to be correlated.
- On AIX systems with device drivers and network adapters that support remote direct-memory access (RDMA), communication protocols may provide bulk transfer as a mechanism to optimize communication. LoadLeveler supports bulk data transfer for jobs that use either Internet Protocol or User Space communication mode.
Accessibility by people with disabilities
Operation by keyboard alone is a feature supported for people with disabilities.
Section 508 of the U.S. Rehabilitation Act
Operation by keyboard alone is a feature supported for people with disabilities.
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|Statement of direction|
IBM intends to support workload balancing among multiple LoadLeveler clusters. Users will be able to submit and monitor jobs to more than one LoadLeveler cluster using a single set of commands. Administrators will be able to move idle jobs among multiple LoadLeveler clusters.
Additionally, IBM intends to support allowing jobs to utilize the memory affinity feature available in IBM POWER4 and POWER5 servers with their CPU architecture and the Resource Set (RSet) function available in AIX 5L for POWER.
Both the multicluster and affinity functions are planned to be available fourth quarter 2005.
On the Linux platforms currently available for LoadLeveler for Linux V3.2, IBM intends to provide the following functions:
- Increased job launch flexibility and processing
- Backfill preemption, except for suspend method
- Additional control over scheduling, including a new command and API to start the scheduling process and the ability to set job system priority.
This function is planned to be available on LoadLeveler for Linux third quarter 2005.
All statements regarding IBM's plans, directions, and intent are subject to change or withdrawal without notice.
Business Partner information
If you are a Direct Reseller - System Reseller acquiring products from IBM, you may link directly to Business Partner information for this announcement. A PartnerWorld ID and password are required (use IBM ID).
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Product information is available via the Offering Information Web site
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No publications are shipped with this program.
The following publications are available from the Web:
- IBM LoadLeveler® for AIX® 5L and Linux: Using and Administering
- IBM LoadLeveler for AIX 5L and Linux: Diagnosis and Messages Guide
- IBM LoadLeveler for AIX 5L and Linux: Installation Guide
To access all LoadLeveler documentation, refer to the IBM eServer® Cluster Information Center Web site. This Web site contains the most recent LoadLeveler documentation in PDF and HTML formats and is located at
A LoadLeveler Documentation Updates file is also maintained on this Web site, which contains updates to the LoadLeveler documentation. These updates include corrections and clarifications made after the LoadLeveler books were originally published.
In addition, you can reference Workload Management with LoadLeveler (SG24-6038) found at the following Web site
The IBM Publications Center
The Publications Center is a worldwide central repository for IBM product publications and marketing material with a catalog of 70,000 items. Extensive search facilities are provided. Payment options for orders are via credit card (in the U.S.) or customer number for 50 countries. A large number of publications are available online in various file formats; they can all be downloaded by all countries free of charge.
The IBM Publications Notification System (PNS) enables subscribers to set up profiles of interest by order number/product number. PNS subscribers automatically receive e-mail notifications of all new publications defined in their profiles. These may then be ordered/downloaded from the Publications Center
The site is available in English and Canadian French.
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Any of these IBM eServer systems:
- eServer p5
- BladeCenter JS20
- Cluster 1600
Additionally, the IBM eServer pSeries High Performance Switch (HPS) and SP Switch2 is supported when run with AIX 5L V5.2 only. The SP Switch is not supported with LoadLeveler V3.3.
With BladeCenter JS20 processors and POWER5 servers, the Myrinet-2000 Switch with Myrinet/PCI-X adapters is supported when running the AIX 5L V5.2 64-bit kernel.
LoadLeveler support on the BladeCenter JS20 running AIX 5L V5.3 is provided in a switchless environment only.
- AIX 5L for POWER V5.2 (5765-E62) maintenance level 5200-05, or later maintenance level, or AIX 5L for POWER V5.3 (5765-G03) maintenance level 5300-01, or later maintenance level.
- To run parallel operating environment (POE) jobs, Parallel Environment for AIX 5L, V4.2 (5765-F83) is required.
- If using the GUI, AIXwindows® Environment and Java Runtime Environment are required.
- If using the Config Tasks Wizard, TaskGuide Runtime Environment is required.
To run in a Parallel System Support Programs (PSSP) domain, PSSP for AIX, V3.5 (5765-D51) is
- If you plan to configure any switch adapters for LoadLeveler in a PSSP domain, you must install the Job Switch Resource Table Services fileset (ssp.st) of the PSSP install image.
- If you plan to configure LoadLeveler to support Distributed Computing Environment (DCE) security services, then the SP Authenticated Clients Commands fileset (ssp.clients) of the PSSP installp image is required.
- To run in a RSCT peer domain or to configure LoadLeveler to support RSCT security services, RSCT 22.214.171.124 or a later compatible release is required.
LoadLeveler for AIX 5L, V3.3 is the last release that will support Gang preemption. The method used for preemption has been replaced with a new Backfill scheduling preemption capability provided in V3.3.
LoadLeveler supports submitting NQS scripts to LoadLeveler and routing them to a machine outside of the LoadLeveler cluster that runs NQS. This is the last release that will provide this function.
LoadLeveler supports the APIs ll_get_hostlist and ll_start_host, which are known as the Parallel Job API. This is the last release that will provide this function.
LoadLeveler ships llapi_shr.o, a loadable object to enable dynamic access to LoadLeveler function and the APIs. This method was implemented before the ability to load shared libraries existed. Because the shared library libllapi.a may be dynamically loaded, there is no need for the LoadLeveler loadable object. This is the last release that will ship llapi_shr.o.
Customer responsibilities: LoadLeveler for AIX 5L, V3.1 will be withdrawn from marketing on April 29, 2005, and withdrawn from service on April 1, 2006.
Packaging: This program is distributed as a single package available via CD-ROM media (LCD4-5569). A product README file and license information is shipped with the product in softcopy (L-RHAN-68TPG2 or LC23-4977-00). Publications are available online.
Security, auditability, and control
LoadLeveler for AIX 5L uses the security and auditability features of the AIX 5L operating system.
The customer is responsible for evaluation, selection, and implementation of security features,
administrative procedures, and appropriate controls in application systems and communication
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LoadLeveler V3.3 has one charge unit: number of processors active on either a small, medium, or large server running LoadLeveler for the supported operating environment. A new order for LoadLeveler includes one-year IBM Software Maintenance. Upgrades may be acquired via the IBM Software Maintenance agreement up to the current level of use authorized for the qualifying program.
Base licensed program: New users of LoadLeveler for AIX, V3.3 should specify type 5765, model E69, and the one-time charge (OTC) feature number in the appropriate server-size column with a quantity equal to the total number of processors active in that server running the supported operating system in which LoadLeveler will be installed. If a processor is active and LoadLeveler will not be running on that processor, an order for LoadLeveler is not required. For CD-ROM media, specify type 5692, model A5L, and feature number 0980.
Note: Throughout the following tables:
- Small means small-capacity servers (processor groups D5 and E5).
- Medium means medium-capacity servers (processor groups F5 and G5).
- Large means large-capacity servers (processor groups H5 and P5).
- OTC means one-time charge.
Small Medium Large OTC OTC OTC Program feature feature feature Description number number number number Per processor 5765-E69 0022 0024 0026 Block of 5765-E69 0023 0025 0027 250 processors(1)
- This feature is provided for convenience with large orders. A quantity of one for this feature will order a license for 250 processors.
Program Media supply Program name number Media feature number LoadLeveler for AIX 5L, V3.3 5692-A5L CD-ROM 0980
Software Maintenance: This software license includes Software Maintenance, previously referred to as Software Subscription and Technical Support.
Extending coverage for a total of three years from date of acquisition may be elected. Order the program number, feature number, and quantity to extend coverage for your software licenses. If maintenance has expired, specify the after-license feature number.
The Software Maintenance structure is changed. Initial orders and extended orders should use the following new program numbers and feature numbers.
Feature Feature description number 5660-LLV Maintenance no-charge 1-year registration Small per processor 0030 Small per block of 250 processors 0333 Medium per processor 0397 Medium per block of 250 processors 0398 Large per processor 0409 Large per block of 250 processors 0714 5660-LLV Maintenance 1-year 24 x 7 support Small per processor 0336 Small per block of 250 processors 0396 Medium per processor 0399 Medium per block of 250 processors 0400 Large per processor 0715 Large per block of 250 processors 0716 5662-LLV Maintenance 3-year registration (2-year uplift) Small per processor 0042 Small per block of 250 processors 0043 Medium per processor 0046 Medium per block of 250 processors 0047 Large per processor 0050 Large per block of 250 processors 0051 Feature Feature description number 5662-LLV Maintenance 3-year 24 x 7 support Small per processor 0044 Small per block of 250 processors 0045 Medium per processor 0048 Medium per block of 250 processors 0049 Large per processor 0052 Large per block of 250 processors 0053 5661-LLV 1-year Software Maintenance after-license Small per processor 0013 Small per block of 250 processors 0014 Medium per processor 0017 Medium per block of 250 processors 0018 Large per processor 0021 Large per block of 250 processors 0022 5661-LLV After-license 1-year 24 x 7 support Small per processor 0015 Small per block of 250 processors 0016 Medium per processor 0019 Medium per block of 250 processors 0020 Large per processor 0023 Large per block of 250 processors 0024 5664-LLV 3-year Software Maintenance after-license Small per processor 0001 Small per block of 250 processors 0002 Medium per processor 0005 Medium per block of 250 processors 0006 Large per processor 0009 Large per block of 250 processors 0010 5664-LLV After-license 3-year 24 x 7 support Small per processor 0003 Small per block of 250 processors 0004 Medium per processor 0007 Medium per block of 250 processors 0008 Large per processor 0011 Large per block of 250 processors 0012
Withdrawal of program and feature numbers: The following feature numbers are withdrawn as of April 12, 2005.
Program Feature Description number number LoadLeveler for AIX 5L, V3.2 5765-E69 0006 0007 0008 0009
The following program numbers are withdrawn as of April 12, 2005.
Customers with existing Software Maintenance can renew their contracts with the new Software Maintenance programs and features at the time of renewal; no prior action is required.
Program Description number 1-year Software Maintenance for 5771-LLV LoadLeveler for AIX 5L 3-year Software Maintenance for 5773-LLV LoadLeveler for AIX 5L
System Program Order (SPO) (5692-A5L): A 5692-A5L SPO is mandatory for shipments of program distribution and publications. The individual licensed program orders (for example, 5765-E69) are for registration and billing purposes only. No shipment occurs under these orders.
Machine-readable materials are only available on CD-ROM. To receive shipment of machine-readable materials under SPO (5692-A5L), order the CD-ROM media.
Specify feature code 3410. Billing for the media is generated under the SPO. To prevent additional billing expenses, place only one SPO order per machine.
Select one of the following (5692-A5L) features for the licensed program hardcopy entitled publications.
Program Feature number Program name number 5692-A5L LoadLeveler for AIX 5L, V3.3 0980
On/Off Capacity on Demand
Small Medium Large OTC OTC OTC Program feature feature feature Description number number number number Per processor 5765-E69 0028 0030 0032 Block of 5765-E69 0029 0031 0033 250 processors(1)
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|Terms and conditions|
Agreement: IBM International Program License Agreement. Proofs of Entitlement are required for all authorized use.
This software license includes Software Maintenance, previously referred to as Software Subscription and Technical Support.
The following agreement applies for maintenance and does not require customer signatures:
- IBM Agreement for Acquisition of Software Maintenance (Z125-6011)
Limited warranty: Yes
Warranty: This program has warranty for a minimum of one year from acquisition from IBM or authorized IBM Business Partner. The warranty provided to the customer, for at least one year from acquisition, is access to databases (read Web sites) for program information and FAQs, including any known fixes to defects, which the customer can download or obtain otherwise and install at leisure.
Program technical support: Technical support of a program product will be available for a minimum of three years from the general availability date, as long as your Software Maintenance is in effect. This technical support allows you to obtain assistance (via telephone or electronic means) from IBM for product-specific, task-oriented questions regarding the installation and operation of the program product. Software Maintenance also provides you with access to updates, releases, and versions of the program. Customers will be notified, via announcement letter, of discontinuance of support with 12 months' notice. If you require additional technical support from IBM, including an extension of support beyond the discontinuance date, contact your IBM representative or IBM Business Partner. This extension may be available for a fee.
Money-back guarantee: If for any reason you are dissatisfied with the program, return it within 30 days from the invoice date to the party (either IBM or its reseller) from whom you acquired it for a refund. This applies only to your first acquisition of the program.
Copy and use on home/portable computer: No
Volume orders (IVO): Yes; contact your IBM representative.
Passport Advantage® applies: No
Software Maintenance applies: Yes
All distributed software licenses include Software Maintenance (Software Subscription and Technical Support) for a period of 12 months from the date of acquisition, providing a streamlined way to acquire IBM software and assure technical support coverage for all licenses. Extending coverage for a total of three years from date of acquisition may be elected.
While your Software Maintenance is in effect, IBM provides you assistance for your routine, short duration installation and usage (how-to) questions; and code-related questions. IBM provides assistance via telephone and, if available, electronic access, only to your IS technical support personnel during the normal business hours (published prime shift hours) of your IBM support center. (This assistance is not available to your end users.) IBM provides Severity 1 assistance 24 hours a day, every day of the year. For additional details, consult your IBM Software Support Guide at
Software Maintenance does not include assistance for the design and development of applications, your use of programs in other than their specified operating environment, or failures caused by products for which IBM is not responsible under this agreement.
IBM Operational Support Services SoftwareXcel: No
Other support: pSeries SWMA
iSeries Software Maintenance applies: No
Variable charges apply: Yes
Educational allowance available: Yes, 15% education allowance applies to qualified education institution customers.
Sub-capacity pricing terms and conditions
To be eligible for sub-capacity pricing, the machine on which the eligible products are installed and running must be eligible for sub-capacity pricing terms and conditions. Software pricing at less than full machine capacity for eligible products apply when running:
- AIX 5L V5.1, or later, on an IBM eServer pSeries 690 or equivalent partition-capable operating system and machine
- OS/400® V5.1, or later, running on an IBM eServer iSeries server
- Linux running in an LPAR under AIX 5L V5.1, OS/400 V5.1, or in a partition on an equivalent partition-capable operating system and server
Sub-capacity pricing for eligible products is based on the current Program pricing methodology, but the number of processors will be determined based on the sum of processors for all partitions where the program is defined (used). To obtain pricing at less than full machine capacity for eligible products, you are required to:
- Install and use, when available, IBM's license use management program, which installs with eligible IBM programs.
- Install available updates to the operating system and eligible products such that license use can be accurately managed.
- If the use of sub-capacity pricing terms results in a reduced requirement for entitlements, you can reallocate the entitlement difference by distributing entitlements across a larger or different set of systems, or reserve them for future growth. There will be no refunds for these "freed up" entitlements. Subscription, Software Maintenance, and Support volumes and entitlements for existing contracts will continue at the same levels as the acquired licenses.
On/Off Capacity on Demand
To be eligible for On/Off Capacity on Demand pricing, customers must be enabled for temporary
capacity on the corresponding hardware and the required contract Z125-6907, Amendment for
iSeries and pSeries Temporary Capacity On Demand Software must be signed prior to use.
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|IBM Electronic Services|
IBM Global Services has transformed its delivery of hardware and software support services to put you on the road to higher systems availability. IBM Electronic Services is a Web-enabled solution that provides you with an exclusive, no-additional-charge enhancement to the service and support on the IBM eServer. You should benefit from greater system availability due to faster problem resolution and preemptive monitoring. IBM Electronic Services is comprised of two separate, but complementary, elements: IBM Electronic Services news page and IBM Electronic Service Agent.
IBM Electronic Services news page provides you with a single Internet entry point that replaces the multiple entry points traditionally used by customers to access IBM Internet services and support. The news page enables you to gain easier access to IBM resources for assistance in resolving technical problems.
The IBM Electronic Service Agent is a no-additional-charge software that resides on your IBM eServer system. It is designed to proactively monitor events and transmit system inventory information to IBM on a periodic, customer-defined timetable. The IBM Electronic Service Agent tracks system inventory, hardware error logs, and performance information. If the server is under a current IBM maintenance service agreement or within the IBM warranty period, the Service Agent automatically reports hardware problems to IBM. Early knowledge about potential problems enables IBM to provide proactive service that maintains higher system availability and performance. In addition, information collected through the Service Agent will be made available to IBM service support representatives when they are helping answer your questions or diagnosing problems.
To learn how IBM Electronic Services can work for you, visit
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The prices provided in this announcement are suggested retail prices for the U.S. only and are provided for your information only. Dealer prices may vary, and prices may also vary by country. Prices are subject to change without notice. For additional information and current prices, contact your local IBM representative.
Program name: LoadLeveler for AIX 5L, V3.3
Program number: 5765-E69
Small Medium Large OTC OTC OTC feature Small feature Medium feature Large Description number OTC number OTC number OTC Per 0022 $ 514 0024 $ 514 0026 $ 514 processor Block of 0023 128,500 0025 128,500 0027 128,500 250 process- ors(1) On/Off CoD 0028 $ 6 0030 $ 6 0032 $ 6 per processor On/Off CoD 0029 1,500 0031 1,500 0033 1,500 block of 250 pro- cessors(1)
5660-LLV Maintenance no-charge (NC) 1-year registration
Feature Feature description number OTC Small per processor 0030 NC(2) Small per block of 250 processors 0333 NC Medium per processor 0397 NC Medium per block of 250 processors 0398 NC Large per processor 0409 NC Large per block of 250 processors 0714 NC
- No charge
5660-LLV Maintenance 1-year 24 x 7 support
Feature Feature description number OTC Small per processor 0336 $ 7 Small per block of 250 processors 0396 1,750 Medium per processor 0399 7 Medium per block of 250 processors 0400 1,750 Large per processor 0715 7 Large per block of 250 processors 0716 1,750
5662-LLV Maintenance 3-year registration (2-year uplift)
Feature Feature description number OTC Small per processor 0042 $ 175 Small per block of 250 processors 0043 43,750 Medium per processor 0046 175 Medium per block of 250 processors 0047 43,750 Large per processor 0050 175 Large per block of 250 processors 0051 43,750
5662-LLV Maintenance 3-year 24 x 7 support
Feature Feature description number OTC Small per processor 0044 $ 19 Small per block of 250 processors 0045 4,750 Medium per processor 0048 19 Medium per block of 250 processors 0049 4,750 Large per processor 0052 19 Large per block of 250 processors 0053 4,750
5661-LLV 1-year Software Maintenance after-license
Feature Feature description number OTC Small per processor 0013 $ 155 Small per block of 250 processors 0014 38,750 Medium per processor 0017 155 Medium per block of 250 processors 0018 38,750 Large per processor 0021 155 Large per block of 250 processors 0022 38,750
5661-LLV After-license 1-year 24 x 7 support
Feature Feature description number OTC Small per processor 0015 $ 7 Small per block of 250 processors 0016 1,750 Medium per processor 0019 7 Medium per block of 250 processors 0020 1,750 Large per processor 0023 7 Large per block of 250 processors 0024 1,750
5664-LLV 3-year Software Maintenance after-license
Feature Feature description number OTC Small per processor 0001 $ 330 Small per block of 250 processors 0002 82,500 Medium per processor 0005 330 Medium per block of 250 processors 0006 82,500 Large per processor 0009 330 Large per block of 250 processors 0010 82,500
5664-LLV After-license 3-year 24 x 7 support
Feature Feature description number OTC Small per processor 0003 $ 19 Small per block of 250 processors 0004 4,750 Medium per processor 0007 19 Medium per block of 250 processors 0008 4,750 Large per processor 0011 19 Large per block of 250 processors 0012 4,750
The applicable processor-based one-time charge will be based on the
group of the designated machine on which the program is licensed for use.
If the program is designated to a processor in a group for which no
charge is listed, the charge of the next higher group listed applies.
For movement to a machine in a higher group, an upgrade charge equal to
the difference in the then-current charges between the two groups will
apply. For movement to a machine in a lower group, there will be no
adjustment or refund of charges paid.
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To order, contact the Americas Call Centers, your local IBM representative, or your IBM Business Partner.
To identify your local IBM representative or IBM Business Partner, call 800-IBM-4YOU (426-4968).
Phone: 800-IBM-CALL (426-2255) Fax: 800-2IBM-FAX (242-6329) Internet: firstname.lastname@example.org Mail: IBM Americas Call Centers Dept: IBM CALL, 11th Floor 105 Moatfield Drive North York, Ontario Canada M3B 3R1 Reference: RE001
The Americas Call Centers, our national direct marketing organization, can add your name to the mailing list for catalogs of IBM products.
Note: Shipments will begin after the planned availability date.
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