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DSNLINK DSNLINKC012 DSNlink V1.2 - V1.2C for OpenVMS ECO Summary

TITLE: DSNLINK DSNLINKC012 DSNlink V1.2 - V1.2C for OpenVMS ECO Summary Modification Date: 26-OCT-1999 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) Compaq Computer Corporation 1988, 1999. All rights reserved. PRODUCT: DSNlink for OpenVMS OP/SYS: OpenVMS VAX OpenVMS AXP/Alpha SOURCE: Compaq Computer Corporation ECO INFORMATION: ECO Kit Name: DSNLINKC012 ECO Kits Superseded by This ECO Kit: CSCPAT_9003 ECO Kit Approximate Size: 2754 Blocks Kit Applies To: DSNlink for OpenVMS V1.2 OpenVMS VAX V5.2, V5.2-1, V5.3, V5.3-1, V5.3-2, V5.4, V5.4-1, V5.4-2, V5.4-3, V5.5, V5.5-1, V5.5-2, V6.0, V6.1, V6.2 OpenVMS AXP/Alpha V1.0, V1.5, 1.5-1H1, V6.0, V6.1, V6.1-1H1, V6.1-1H2 V6.2, V6.2-1H1, V6.2-1H2, V6.2-1H3 System/Cluster Reboot Necessary: No Rolling Re-boot Supported: Not Applicable Installation Rating: INSTALL_3 3 - To be installed on all systems running the listed versions of DSNlink which are experiencing the problems described. Kit Dependencies: The following remedial kit(s) must be installed BEFORE installation of this kit: None In order to receive all the corrections listed in this kit, the following remedial kits should also be installed: None ECO KIT SUMMARY: An ECO kit exists for DSNlink V1.2 on OpenVMS VAX V5.2 through V6.2 and OpenVMS AXP/Alpha V1.0 through V6.2-1H3. This kit addresses the following problems and includes all previous remedial kits: o It was possible for an ITS SHOW DATABASE/FULL command to cause the ITS server on the host to lose synchronization with the ITS client causing the eventual abort of the client. o Empty files named ".LOG" (no file name, just the .LOG file type) were created whenever the DSNlink modem transport was started. o Duplicate_File_Copies might occur: + Problem 1: Occasionally, a File Copy or Problem Submission job successfully delivered the information more than once. This kit correctly detects and recovers from this situation. + Problem 2: A file copy was repeated unnecessarily if the volume cluster size of the sending and receiving disks was not the same. When a file copy was requeued, the sender and receiver compared allocated block sizes of the files. If the sizes did not agree, the File Copy application assumed the file was bad or corrupted and started the transfer again. o It was possible for a File Copy or Problem Submission job to get a "Bad Parameter" error and then requeue. Each attempt to transfer the information resulted in this status until the job's requeue limit was reached. o When a DSN COPY job failed leaving a partially copied file, and if the actual amount copied was a multiple of 32 blocks, the file header of the file on the receiving side could get its end-of-file block incorrectly set upon the next retry of the job. This caused the job to restart from the very first block because another part of the code detected the corruption and began recovery. o If the ITS PRINT command was entered and the destination print queue did not exist, ITS aborted with an access violation. o Versions of ITS clients prior to Version 1.2 could see a nonessential character, such as an asterisk or a percent sign, preceding a database description when a SHOW DATABASE XXX command was done. o If a user without sufficient privileges to access the transaction log file ran a DSNlink application, an error occurred when DSNlink tried to close the log file when the user exited the application. A security alarm was also tripped if security auditing was enabled for failed accesses. o The DSNlink Transaction Log File Formatter utility, DSN$FORMAT_TRANSACTION_LOG.COM, could enter a state in which it looped indefinitely, displaying DCL errors. o The application server log files for incoming DSNlink X.25 connections had been written to the SYS$SYSTEM directory. This kit has the files placed in the DSN$LOGS directory. o DSNlink sites that use the DSNlink DECnet or DSNlink X.25 transport did not receive the remote system's termination status reason if the remote site aborted the connection. o The DSNlink Transaction Log File Formatter utility, DSN$FORMAT_TRANSACTION_LOG.COM, did not correctly clean up after itself when it was aborted with a Ctrl/Y. o The deferred hangup time for DSNlink file copies across the DSNlink modem transport has been increased to 1 minutes. This generally will improve the timeliness of responses to problem submissions. o If an application link terminated for an incoming connection that specified a deferred hangup time, and no other coexistent application links were known to the line manager, then the line hangup deferral occurred but the line manager did not recognize this state, causing the next outgoing connect attempt to select an alternate line. Although this problem is only apparent on host nodes, it could be forced to occur on nonhost nodes. o When the SAVE/ALL command was done twice in DSN VTX, a VTX protocol error could occur. o DSN COPY creates a new file version if it fails. This problem was a side effect of the problem corrected by ECO B16b. o The server for the REGISTER application just aborted the connection when it was done, instead of performing an orderly shutdown. This caused an additional exchange of "unexpected termination" messages to be initiated by the REGISTER client. Although this exchange did not cause any noticeable problems, this kit corrects this behavior. o The protection on the DSN$COPY_DIRECTORY directory should have G:RE protection, not G:RWE protection. This kit changes the protection on this directory. o If a user had the SET VERIFY state enabled and then entered a DSN VTX command, part of the command file that invokes the VTX client was displayed. o The kit installation procedure built a startup file on DCN nodes that incorrectly defined the DSN_COMMUNICATIONS_NODE symbol to DSN$CURNODE. This ECO kit creates a new startup file containing this correction. o Your DSN$STARTUP.COM is modified by this ECO kit to check for the SYSLCK privilege. o If 127 resource paths were defined for a DSNlink DECnet Gateway connection to a single resource name, and none of these 127 paths were available, the connection failed with an invalid index error instead of a resource-not-available error. o It was possible for an incorrect highlighting map to be used when applying the highlights to your ITS document under these conditions: a document read from an ITS database was read a second time from internal cache after reading intervening documents; the database you had open was remotely served by your DSNlink Host from somewhere else (not coresident with the host); and you used keyword highlighting when reading the documents. o Under circumstances similar to ECO B126, text lines returned from the ITS server could be cached at inappropriate relative positions in the cache list. o Because the File Copy application does not permit files to be copied from another node, the application contains a test for the presence of a node name. If present, the error NODNAMNOTALLOW is issued. However, the check did not always work, and this error was not issued at times. Instead, the file copy aborted with an unrelated error. o Incoming DSNlink mail is handled by DSN$MAIL_xx subprocesses on your system. Those subprocesses could enter an infinite loop if they received certain incorrectly formatted destination mail addresses. o An internal hash table initialization problem caused sporadic network link failures, such as "unknown link" errors or "change cipher key" requests. These errors always resulted in premature link aborts or prevented the establishment of new links. o If a File Copy job was aborted just after it allocated the space for the file but had not filled any blocks, the subsequent requeued job created another new file. The first empty file, with full space allocation, was not deleted. Additionally, the old in-progress file was locked by the server subprocess that populated the new in-progress file. o If a DSNlink Copy job partially copies a file, the file is requeued. If the partial file was deleted on the receiving end before the copy job restarted, the job errored out with a DSN-F-BADDATA error and a corrupt file was placed in the incoming files directory. INSTALLATION NOTES: The system/cluster does not need to be rebooted after this kit is installed. However, DSNlink will/should be shutdown and restarted in order for all kit changes to take effect. Please see the DSNLINKC012 Release Notes which are a part of this kit for further pre- and post-installation instructions. All trademarks are the property of their respective owners.

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