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OpenVMS VAXLIBR01_050 VAX V5.0 - V5.0-2 Delta Time 10_000 Day ECO Summary

NOTE: An OpenVMS saveset or PCSI installation file is stored on the Internet in a self-expanding compressed file. The name of the compressed file will be kit_name-dcx_vaxexe for OpenVMS VAX or kit_name-dcx_axpexe for OpenVMS Alpha. Once the file is copied to your system, it can be expanded by typing RUN compressed_file. The resultant file will be the OpenVMS saveset or PCSI installation file which can be used to install the ECO. Copyright (c) Digital Equipment Corporation 1997. All rights reserved. *** Note *** The probability of experiencing the delta-time limit on earlier versions of OpenVMS is significantly reduced because OpenVMS DECthreads (both pthread and CMA interfaces) and the OpenVMS SECURITY Server do not exist in versions of OpenVMS prior to V5.5. DIGITAL has created delta-time ECOs for OpenVMS Versions 5.0 - 5.4-3 for those customers possibly affected by the delta-time limit or in the rare situation where a third-party or customer application does not adhere to the delta-time limit. DIGITAL is aware that some customers may have their own customized versions of library routines in the LIBRTL.EXE image. The pre-V5.5 kits completely replace the existing LIBRTL.EXE with a new one and, in doing so, replace any customized versions of library routines with the standard routines. For this reason, DIGITAL recommends that only those customers who believe they are impacted by the delta-time limit install the pre-V5.5 kits. The problem occurs in software that converts times between UNIX and OpenVMS formats. The UNIX time format is an offset from the UNIX "epoch" of 1-JAN-1970 (UTC). On 19-MAY-1997 the offset reaches 10,000 days, and any software attempting to use the RTL LIB$ routines to manipulate these delta-time values will receive errors. Applications use the conversion routines primarily for compliance with the POSIX standard interface; therefore, DIGITAL believes that most applications on earlier versions of OpenVMS (V5.0 - V5.4-3) will not be impacted. PRODUCT: OpenVMS VAX COMPONENT: Delta Time LIBRTL.EXE LIBRTL.OBJ LIBRTL2.EXE MESSAGE_ROUTINES.EXE LIBRTL$ECO_DROP.COM (If desired, this command file may be used to remove the ECO and restore the original files and libraries. If this file is used to remove the kit from the system, the system needs to be rebooted after the successful removal of the kit.) SOURCE: Digital Equipment Corporation ECO INFORMATION: ECO Kit Name: VAXLIBR01_050 ECO Kits Superseded by This ECO Kit: None ECO Kit Approximate Size: 774 Blocks Saveset A: 90 Blocks Saveset B: 342 Blocks Saveset C: 342 Blocks Kit Applies To: OpenVMS VAX V5.0, V5.0-1, V5.0-2 System/Cluster Reboot Necessary: Yes Installation Rating: 3 - To be installed on all systems running the listed versions of OpenVMS which are experiencing the problems described. NOTE: In order to receive the full fixes listed in this kit, the following remedial kits also need to be installed: None ECO KIT SUMMARY: An ECO kit exists for the Delta Time (10,000 day) problem on OpenVMS VAX V5.0 through V5.0-2. This kit addresses the following problems: o The OpenVMS operating system has a documented delta-time restriction that may cause a serious error in some applications and OpenVMS components beginning on or around 19-MAY-1997. DIGITAL has corrected this potential problem and has provided ECOs (Engineering Change Orders) that remove the delta-time limit. Applications and OpenVMS components most likely to experience errors are those that pass delta-time arguments with values exceeding 9999 days on system-supplied date routines. The most likely date that these errors will occur is 19-MAY-1997:00:00, which is 10,000 days after the common UNIX time origin of 1-JAN-1970. INSTALLATION NOTES: In order for the corrections in this kit to take effect, the system must be rebooted. If the system is a member of a VMScluster, the entire cluster should be rebooted. After the VAXLIBR01_050 kit is installed, if the system is upgraded to OpenVMS VAX V5.0-1 you may see an error message stating that there was a problem with Patch 26. Patch 26 is for LIBRTL. This error does not indicate that the upgrade failed, is not a problem and can be ignored. The error message occurs because the V5.0-1 upgrade does not take into account the LIBRTL changes performed by the VAXLIBR01_050 remedial kit. In addition, after the upgrade to OpenVMS VAX V5.0-1, if you re-apply the VAXLIBR01_050 kit to pick up the V5.0-1 images, you will see the following warning: "You are attempting to install an old version of the remedial kit. Should you choose to proceed with this installation, prior fixes in images replaced by this kit will be lost." "* Do you want to continue [NO]?" This warning is due to the V5.0-1 upgrade changing the date on the LIBRTL files. This message is not a problem and you should answer "YES" to this question. You will not lose prior fixes distributed by Digital. However, the previous warning, concerning customer- customized versions of library routines in the LIBRTL.EXE image, still applies.

This patch can be found at any of these sites:

Colorado Site
Georgia Site

Files on this server are as follows:


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