Server Time Protocol for IBM System z9, zSeries 990 and 890; non-raised-floor support for System z9 BCIBM United States Hardware Announcement 106-715
October 10, 2006
|At a glance|
Availability of Server Time Protocol can:
- Help improve time synchronization for z9 EC, z9 BC, z990, and z890
- Support a multisite sysplex distance up to 100 km
- Synchronize servers and Coupling Facilities across three sites (data centers)
- Coexist with an External Time Reference (ETR) network
- Allow concurrent migration from an ETR network when properly configured
For small and mid-range environments z9 BC
- Non-raised-floor feature
For ordering, contact:
Your IBM representative, an IBM Business Partner, or IBM Americas Call Centers at
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Server Time Protocol
The Server Time Protocol (STP) feature is designed to provide the capability for multiple servers and Coupling Facilities to maintain time synchronization with each other, without requiring a Sysplex Timer®. The servers and Coupling Facilities that are capable of supporting Server Time Protocol are:
- IBM System z9 Enterprise Class (z9 EC)
- IBM System z9 Business Class (z9 BC)
- IBM eServer® zSeries® 990
- IBM eServer zSeries 890
STP is designed to support a multisite sysplex configuration up to 100 km (62 miles) and to allow use of Coupling Links to transport timekeeping information.
The Server Time Protocol feature was previewed July 27, 2005. Refer to Hardware Announcement 105-241 , dated July 27, 2005.
Non-raised-floor support for z9 BC
A new feature, designed to allow the IBM System z9 Business Class (z9 BC) to operate in a
non-raised-floor environment, is being offered.
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Server Time Protocol feature number 1021 on z9 EC, z9 BC, z990, z890
The Sysplex Timer's Licensed Internal Code (LIC) has been upgraded to support using STP in a Mixed Coordinated Timing Network. The required Sysplex Timer LIC is shipped along with the STP feature, and must be installed by the IBM Service Support Representative prior to migrating from a Sysplex Timer-based External Time Reference network to any STP Coordinated Timing Network.
Planned availability dates
- January 31, 2007: STP feature
- November 17, 2006: Non-raised-floor support for z9 BC
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The Server Time Protocol (STP) feature is designed to allow events occurring in different z9 EC, z9 BC, z990, and z890 servers, and Coupling Facilities (CFs), to be properly sequenced in time. STP is designed to reduce or eliminate the requirement for Sysplex Timers. STP supports a multisite sysplex up to 100 km (62 miles) without requiring an intermediate site. Previously, an intermediate site was recommended to locate one of the Sysplex Timers, when the multisite sysplex distance exceeded 40 km (25 miles).
Server Time Protocol
Server Time Protocol is a server-wide facility that is implemented in the Licensed Internal Code (LIC) of z9 EC, z9 BC, z990, z890, and CFs and presents a single view of time to Processor Resource/Systems Manager (PR/SM). STP uses a message-based protocol in which timekeeping information is passed over externally defined Coupling Links InterSystem Channel-3 (ISC-3) links configured in peer mode, Integrated Cluster Bus-3 (ICB-3) links, and Integrated Cluster Bus-4 (ICB-4) links. These can be the same links that already are being used in a Parallel Sysplex® for Coupling Facility (CF) message communication.
By using the same links to exchange timekeeping information and Coupling Facility messages in a Parallel Sysplex, STP can scale with distance. Servers exchanging messages over short-distance links such as ICB-3 and ICB-4 are designed to meet more stringent synchronization requirements than servers exchanging messages over long-distance links such as ISC-3 (distances up to 100 km), where the synchronization requirements are less stringent. This is an enhancement over the current Sysplex Timer implementation, which does not scale with distance.
The STP design has introduced a new concept called Coordinated Timing Network (CTN). A CTN is a collection of servers and Coupling Facilities that are time synchronized to a time value called Coordinated Server Time. STP supports the following functions:
- Initialize the time manually, including Time Zone offset, Daylight Saving Time (DST) offset, and Leap seconds offset.
- Initialize the time by dialing out to a time service so that Coordinated Server Time can be set to within 100 milliseconds of an international time standard such as Coordinated Universal Time (UTC).
- Schedule periodic dial-outs to a time service so that Coordinated Server Time may be gradually steered to an international time standard.
- Adjust Coordinated Server Time by up to +/- 60 seconds. This improves upon the Sysplex Timer's capability of adjusting time by up to +/- 4.999 seconds.
- Schedule changes to offsets listed above. STP can automatically schedule Daylight Saving Time, based on the selected Time Zone, a capability that did not exist on the Sysplex Timer.
STP is the preferred solution for time synchronization at planned availability on z9 EC, z9 BC, z990, and z890. For more information, refer to "IBM Sysplex Timer Model 2 and Sysplex Timer LED/Laser Extender Replacement Available", Hardware Announcement 906-137 , dated June 27, 2006.
Unlike the Sysplex Timer, which distributes time to multiple servers in a star pattern, STP distributes time messages in layers, or stratums. In a timing network based on STP, the stratum level is used as a means to define the hierarchy of a server in the timing network. A Stratum 1 server or CF is the highest level in the hierarchy in the STP network. A Stratum 2 server or CF uses STP messages to synchronize to a Stratum 1 server. A Stratum 3 server or CF uses STP messages to synchronize to a Stratum 2 server. STP supports up to three layers (Stratum 3).
Since STP can support a network of up to three stratums, it is possible to configure a timing network that spans three or more sites. The maximum fiber distance from a Stratum 1 server to a Stratum 2 server is 100 km, and the maximum distance from a Stratum 2 server to a Stratum 3 server is also 100 km. This capability allows Parallel Sysplex configurations which may result in reducing the Recovery Time Objective (RTO).
The Server Timer Protocol feature is designed to simplify hardware configurations by:
- Allowing clock synchronization for z9 EC, z9 BC, z990, and z890 servers and Coupling Facilities without requiring the Sysplex Timer and dedicated timer links. This helps reduce the need for separate hardware that needs to be ordered and maintained.
- Supporting a multisite timing network of up to 100 km (62 miles) over fiber optic cabling, thus allowing a sysplex to span these distances. This overcomes the limitations of the Sysplex Timer to Sysplex Timer links being supported only up to 40 km. STP is designed to eliminate the need for a third site to locate the second Sysplex Timer for installations where the multisite sysplex spans a distance greater than 40 km but less than 100 km (the current limit for Sysplex Timer to server connection).
- Potentially reducing the cross-site connectivity required for a multisite Parallel Sysplex. Dedicated links are no longer required to transport timing information since STP and Coupling Facility messages may be transmitted over the same links.
Additional value from Server Time Protocol may be obtained by:
- Eliminating infrastructure requirements (space, power, and so forth) needed to support Sysplex Timers
- Eliminating Sysplex Timer maintenance costs
Eliminating fiber optic infrastructure requirements for:
- Patch/trunk cables
- Dense Wavelength Division Multiplexer (DWDM) ports
- Dark fiber between sites for External Time Reference (ETR) and Control Link Oscillator (CLO) links (links between Sysplex Timers)
For more details, visit the STP Web site at
Concurrent migration and coexistence
STP introduces the concept of a Coordinated Timing Network (CTN), to meet two key goals of System z customers:
- Concurrent migration from an existing External Time Reference (ETR) network to a timing network using STP.
- Capability of servers that cannot support STP to be synchronized in the same network as servers that support STP (z9 EC, z9 BC, z990, z890).
A CTN can be configured in two ways:
Mixed CTN (ETR and STP), which requires a Sysplex Timer. The Sysplex Timer provides the timekeeping
information in a Mixed CTN.
A Mixed CTN allows you to meet the above requirements of concurrent migration and coexistence. The coexistence allows for a sysplex configuration where members of the sysplex may reside on a z800 or z900 server.
- STP-only CTN, which does not require a Sysplex Timer.
Concurrent migration: Continuous availability is a key business requirement for most enterprises. Systems that are designed to deliver continuous availability combine the characteristics of high availability and near continuous operations to deliver high levels of service targeted at 24x7. High availability is an attribute of a system that provides service at agreed upon levels and can mask unplanned outages from end users. Near continuous operations, on the other hand, is the attribute of a system designed to continuously operate and mask planned outages from end users.
With proper hardware, software, and connectivity planning, STP allows customers who want to migrate from an existing ETR network to an STP CTN to do so concurrently, so that they can maintain continuous operations during the migration process. Concurrent migration may be possible, where supported, if you wish to go back from an STP CTN to an ETR network. This capability could be useful if you wish to use a change window to do STP testing and then go back to a previous configuration concurrently before the start of production time.
The following concurrent migrations are supported:
- Concurrent migration from an ETR network to an STP-only CTN
- Concurrent migration from an ETR network to a Mixed CTN
- Concurrent migration from a Mixed CTN to an STP-only CTN
- Concurrent migration from an STP-only CTN to a Mixed CTN
- Concurrent migration from a Mixed CTN to an ETR network
Coexistence: It is crucial that STP allows servers and Coupling Facilities (CFs) synchronized with the Sysplex Timer and servers and CFs synchronized with Coordinated Server Time (CST) to coexist and be synchronized to each other. A Mixed CTN allows this coexistence in a Parallel Sysplex only for z900 and z800 servers and CFs, which must be attached to the Sysplex Timer. The Sysplex Timer provides the timekeeping information for both the ETR network and the Mixed CTN.
Non-raised-floor support for z9 BC
An IBM System z9 Business Class (z9 BC) feature may be ordered to allow use of the z9 BC in a non-raised-floor environment. This capability may help ease the cost of entry into the z9 BC; a raised floor may not be necessary for some infrastructures.
The non-raised-floor z9 BC implementation is designed to meet all electromagnetic compatibility standards. Feature #7998 must be ordered if the z9 BC is to be used in a non-raised-floor environment.
There are new ICB cables which must be used to support this configuration when connecting from z890 or z800 servers to a non-raised-floor z9 BC.
When connecting from a z890 to a non-raised-floor z9 BC using ICB-3 or ICB-4, the following ICB cables are required:
- ICB-3 Cable for NRF, feature #0231 (replaces feature #0227)
- ICB-4 Cable for NRF, feature #0232 (replaces feature #0228)
When connecting from a z890 to a non-raised-floor z9 BC, the additional ICB-3 or ICB-4 cables must be ordered on the z9 BC server.
When connecting from a z800 to a non-raised-floor z9 BC using ICB-3, the following cable is required:
- ICB-3 Cable for NRF, feature #0231 (replaces feature #0227)
When connecting from a z800, this ICB-3 cable must be ordered on the z9 BC server.
Accessibility by people with disabilities
A U.S. Section 508 Voluntary Product Accessibility Template (VPAT) containing details on the product's accessibility compliance can be requested via IBM's Web site
Section 508 of the U.S. Rehabilitation Act
IBM System z9 is capable on delivery, when used in accordance with IBM's associated documentation,
of satisfying the applicable requirements of Section 508 of the Rehabilitation Act of 1973, 29
U.S.C. Section 794d, as implemented by 36 C.F.R. Part 1194, provided that any Assistive Technology
used with the product properly interoperates with it.
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Server Time Protocol
The mainframe's use of z/Architecture provides a means by which programs can establish time-of-day (TOD) and determine the ordering of serialized events such as updates to a database, a log file, or other data structures. The TOD clock resolution must be sufficient so that every consecutive TOD request, whether executed on different central processors (CPs) in the same server, or on different servers, will produce increasing values. These unique time stamps can be used to reconstruct, recover, and allow the ordering of serialized updates to shared data.
When operating in a clustered environment, an External Time Reference (ETR) is used to accommodate the ordering of the time stamps across servers in a sysplex. Prior to the availability of STP, a common timer called the IBM Sysplex Timer was required to keep the TOD clocks of all participating systems in synchronism with each other to within a small number of microseconds, dictated by the fastest possible passing of data from one server to another via a Coupling Facility (CF) structure. The Sysplex Timer also provides for automatic setting of the time and date in the system without the need for an operator to enter the time and date manually through the system console of each system.
The next generation of time synchronization, Server Time Protocol (STP), is being made available as the follow-on to the Sysplex Timer, providing the same capabilities as the Sysplex Timer to meet the z/Architecture requirements described above. STP is designed to provide the capability for multiple System z9 EC, z9 BC, z990, and z890 servers and CFs to maintain time synchronization with each other. STP is designed to provide time synchronization for servers that have been configured to be in a Parallel Sysplex or a sysplex (without a Coupling Facility) as well as servers that are not in a sysplex, but need to be time synchronized. STP is a message-based protocol in which timekeeping information is passed over data links between servers. The timekeeping information is transmitted over externally defined Coupling Links InterSystem Channel-3 (ISC-3) links configured in peer mode, Integrated Cluster Bus-3 (ICB-3) links, or Integrated Cluster Bus-4 (ICB-4) links.
STP can be ordered as a feature of the z9 EC, z9 BC, z990, or z890 server or Coupling Facility and may eliminate the requirement for a Sysplex Timer.
STP will support a multisite timing network of up to 100 km (62 miles) over fiber optic cabling, thus allowing a Parallel Sysplex to span these distances. This overcomes the limitation of Sysplex Timer to Sysplex Timer links being supported only up to 40 km (25 miles).
Non-raised-floor for z9 BC
The System z9 Business Class (z9 BC) was specifically designed for small and mid-sized mainframe
environments. It is designed to offer a variety of growth options and excellent price/performance
for those environments requiring a lower capacity entry point and more granular growth than may be
available with the z9 EC. By introducing the non-raised-floor features of the z9 BC, entry into the
z9 BC may be eased for those infrastructures that can take advantage of the capability.
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|Statement of general direction|
Enhanced Coordinated Server Time accuracy
IBM intends to enhance the accuracy of initializing and maintaining Coordinated Server Time to an international time standard such as Coordinated Universal Time (UTC). The then current server is planned to have the capability of attaching to an external time source, such as a Global Positioning System (GPS) receiver.
Network Time Protocol (NTP) client support
IBM intends to enhance the STP design to provide Network Time Protocol (NTP) client capability, so that Coordinated Server Time may be initialized and maintained to time provided by an NTP server. The purpose of this function is to allow the same time across an enterprise comprised of heterogeneous platforms.
All statements regarding IBM's plans, directions, and intent are subject to change or withdrawal
without notice. Any reliance on these Statements of General Direction is at the relying party's
sole risk and will not create liability or obligation for IBM.
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- IBM Sysplex Timer Model 2 and Sysplex Timer LED/Laser Extender, Hardware Announcement 906-137 , dated June 27, 2006.
- IBM System z9 109 the server built to protect and grow with your on demand enterprise, Hardware Announcement 105-241 , dated July 27, 2005,
- IBM z/OS® V1.7 delivers advances in business resiliency and security, Software Announcement 205-167 , dated July 27, 2005.
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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Visit the following Web site for additional information
Call IBM IT Education Services at 800-IBM-TEACH (426-8322) for catalogs,
schedules, and enrollments.
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The Server Time Protocol Planning Guide (SG24-7280) is available now via the ITSO Redbooks Web site
The following publications are available now in the Library section of Resource Link (Web site listed below):
Order Title number z9 BC System Overview SA22-1083 z9 EC System Overview SA22-6833 System z9(TM) PR/SM(TM) Planning Guide SB10-7041 z890 System Overview SA22-6832 z990 System Overview SA22-1032 z890 and z990 PR/SM(TM) Planning Guide SB10-7036
The following publications are shipped when a new server is ordered, and are available in the Library section of Resource Link:
Order Title number z9 BC Installation Manual GC28-6852 z9 BC Service Guide GC28-6853 z9 EC Installation Manual GC28-6840 z9 EC Service Guide GC28-6841 z890 Installation Manual GC28-6826 z890 Service Guide GC28-6827 z990 Installation Manual G229-9036 z990 Service Guide G229-9039
The following publication will be available at planned availability via the ITSO Redbooks Web site
Order Title number Server Time Protocol Implementation Guide SG24-7281
The following publications will be available at planned availability in the Library section of Resource Link:
Order Title number Hardware Management Console SC28-6857 Operations Guide (Ver 2.9.1) System z9 Support Element SC28-6858 Operations Guide (Ver 2.9.1) z890 and z990 Support Element SC28-6831 Operations Guide (Ver 1.8.2)
The "Introduction to Server Time Protocol (STP)" education course will be available at planned availability in the Education section of Resource Link.
Publications listed above on Resource Link may be obtained by accessing the following Web site
Using the instructions on the Resource Link panels, obtain a user ID and
password. Resource Link has been designed for easy access and
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Specified operating environment
Sysplex Timer® Licensed Internal Code upgrade: The Sysplex Timer's Licensed Internal Code (LIC) has been upgraded to support using STP in a Mixed Coordinated Timing Network (CTN). The required Sysplex Timer LIC is shipped along with the STP feature, and must be installed by the IBM Service Support Representative prior to migrating from a Sysplex Timer based External Time Reference (ETR) network to any STP CTN.
Hardware Management Console: Management of STP-enabled servers requires V2.9.1 Licensed Internal Code (LIC) of the Hardware Management Console (HMC) application. Previously installed HMCs (feature numbers 0075 and later) can be upgraded to V2.9.1 LIC by requesting your IBM Service representative to order ECA 241 for each server that has one or more HMC features to be upgraded.
If an existing HMC is to be loaded with the new HMC LIC, the attached servers will first need to be at specific driver levels and may need specific MCLs to be installed. These MCLs may be loaded without an outage, as long as the server is at the driver level listed. If you need to upgrade the server to the required driver level, an outage will be necessary.
z990 and z890 (Driver 55)
- MCL 132 for EC J13486
z900 and z800 (Driver 3Gf)
- MCL 194 for EC J11213
9672 G5, G6, and Multiprise® 3000 (Model H55 or H75 only) (Driver 26)
- MCL 174 for EC F99918
- MCL 009 for EC J11172
- MCL 009 for EC J10392
- MCL 006 for EC J11920
EC Levels and MCLs for STP support: z9 EC, z9 BC, z990, and z890 servers and Coupling Facilities can be made STP-capable by installing required STP Licensed Internal Code (LIC). The LIC may be installed concurrently. The following are the STP LIC requirements:
z990 and z890
The z990 and z890 must be at EC Driver level 55. Prior to installing the STP feature number, have your SSR download and install all of the latest MCLs that are available for this driver. Several STP prerequisite MCLs will be installed as a result.
IBM System z9
The z9 EC and z9 BC must be at EC Driver level 63. Prior to installing the STP feature number, have your SSR download and install all of the latest MCLs that are available for this driver. Several STP prerequisite MCLs will be installed as a result.
After the MCLs are installed, the z9 EC, z9 BC, z990, and z890 become STP-capable servers. STP functions cannot be used until the STP enablement feature is installed.
Enabling hardware feature for STP: Feature number 1021 is required for your server or Coupling Facility to enable STP on your hardware. This is a chargeable feature for each server and Coupling Facility.
Feature number 1021 provides the following:
- Installation instructions are provided. The IBM Service Support Representative (SSR) will perform this part of the installation.
- A required Sysplex Timer EC LIC disk is provided. This LIC should be installed on any Sysplex Timer where there is a migration planned from ETR network to any CTN configuration. This should be installed prior to installing the server enablement LIC.
- A required server or Coupling Facility MCL diskette or CD is provided. This MCL enables STP.
Feature number 1021 should be installed on any STP-capable server or Coupling Facility that will be used in a Mixed CTN or STP-only CTN. STP enablement LIC can be loaded without disruption to current operations. The loading of the enablement LIC is done via the server's Support Element.
The hardware requirements for the features and functions contained in this announcement are identified.
Machine Change Levels (MCLs) are required. Descriptions of the MCLs are available now through Resource Link.
Access Resource Link at
MCLs are designed to be applied concurrently. Contact IBM service personnel for further information.
Note: z/OS®.e is exclusive to z9 BC, z890, and z800.
STP is available as a feature on z9 EC, z9 BC, z990, and z890 servers, and is supported by z/OS and z/OS.e V1.7 and above.
Even though the planned availability version of z/OS and z/OS.e V1.7 and V1.8 have function to support STP, additional software maintenance is required. Maintenance being installed on the z/OS and z/OS.e system image can be done using the "rolling IPL" process, which allows you to avoid a sysplex-wide outage. The "rolling IPL" process allows coexistence of the following system images:
- z/OS and z/OS.e V1.7 or above with the maintenance
- z/OS and z/OS.e V1.7 or above without the maintenance
- z/OS and z/OS.e V1.4 through z/OS and z/OS.e V1.6
Software support for timing-only links: Timing-only links are Coupling Links that allow two servers to be synchronized using STP messages, when a CF does not exist at either end of the Coupling Link. If timing-only links are required for the configuration, then PTFs are also needed.
z/OS and z/OS.e V1.4 through z/OS and z/OS.e V1.6 considerations: z/OS provides compatibility and flexibility as images migrate by allowing several releases of z/OS and z/OS.e to coexist in a Sysplex or a Parallel Sysplex® multisystem configuration. z/OS and z/OS.e V1.7 are compatibility supported with releases back to z/OS and z/OS.e V1.4. This means that z/OS and z/OS.e V1.4 can coexist in the same sysplex as z/OS and z/OS.e V1.7. Although an STP-only CTN must consist of only z/OS and z/OS.e V1.7 or later systems, a mixed-CTN can include any coexistence-supported releases, as long as the toleration PTFs are installed. For example, z/OS and z/OS.e V1.7 can coexist with z/OS V1.4 and z/OS.e in the same timing network in the same sysplex.
Software levels that support z9 BC will also support the non-raised-floor z9 BC.
You should consult the Preventive Service Planning (PSP) buckets for STP related maintenance. They are listed in the 2084DEVICE, 2086DEVICE, 2094DEVICE, and 2096DEVICE PSP buckets for the z990, z890, z9 EC, and z9 BC, respectively.
To simplify the identification of PTFs needed to support Server Timer Protocol, a functional PSP bucket has been created. You can use the Enhanced Preventive Service Planning Tool (EPSPT), which is available on the "Technical Help Database for Mainframe Preventive Service Planning Buckets" Web site
and the Enhanced PSP Tool to reconcile the recommended service for the STP function and the hardware device against your systems target zones. Detailed information on the EPSPT is available on the IBM Education Assistant Web site
in the "General Topic View" under "z/OS Operating System."
Hardware Management Console (HMC): The HMC is for the exclusive use of the HMC application. Customer applications cannot reside on the HMC. The ESCON® Director and Sysplex Timer applications cannot reside on the HMC. TCP/IP is the only supported communication protocol. The HMC supports z9 EC and z9 BC. It may also be used to support z990, z890, z900, z800, G5, G6, and Multiprise 3000 servers provided it is upgraded to a new AROM level.
Multisite extended distance considerations: At STP planned availability, Dense Wavelength Division Multiplexer (DWDM) products are planned to be qualified to support transporting STP messages over ISC-3 links in a multisite sysplex configuration. The list of qualified DWDM products that support STP may be found on Resource Link
Additional STP planning requirements: For detailed planning requirements, refer to Server Time Protocol Planning Guide (SG24-7280), available now via the ITSO Redbooks Web site
Customer responsibilities for site preparation: Information on customer responsibilities for site preparation can be found in publications available in the Library section of Resource Link at
Cable orders: For the Server Time Protocol (STP) feature (#1021) cabling is required to carry STP traffic.
ICB-3 cables (#0227) or ICB-4 cables (#0228) may be used to carry STP traffic.
ICB-3 cables for non-raised-floor NRF (#0231) or ICB-4 cables for NRF (#0232) may be used to carry STP traffic.
ISC-3 cables, customer-supplied 9 micron single mode fiber optic cables terminated with an LC Duplex connectors, may also be used to carry STP traffic.
Security, auditability, and control
The z9 EC, z9 BC, z990, and z890 use the security and auditability features and functions of host hardware, host software, and application software.
The customer is responsible for evaluation, selection, and implementation of security features,
administrative procedures, and appropriate controls in application systems and communications
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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 available on the IBM eServer® platform. These services provide the opportunity for 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 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 may result in 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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|Terms and conditions|
MES discount applicable: No
Field-installable feature: Yes
Warranty period: One year
Customer setup: No
Same license terms and conditions as base machine.
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Prices are available upon request.
Machine Feature EW Init/ Description type Model number Fee MES Server Time Protocol 2094 S08 1021 X Both S18 1021 X Both S28 1021 X Both S38 1021 X Both S54 1021 X Both Server Time Protocol 2096 R07 1021 X Both S07 1021 X Both Server Time Protocol 2084 A08 1021 X Both B16 1021 X Both C24 1021 X Both D32 1021 X Both Server Time Protocol 2086 A04 1021 X Both Non-Raised Floor (NRF) 2096 R07 7998 X Both S07 7998 X Both ICB-3 Cable for NRF 2096 R07 0231 X Both S07 0231 X Both ICB-4 Cable for NRF 2096 R07 0232 X Both S07 0232 X Both
If field-installed on a purchased machine, parts removed or replaced become the property of IBM and
must be returned.
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Note: Shipments will begin after the planned availability date.
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