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DFS DECDFS03_022 DECdfs V2.2 ECO Summary
TITLE: DFS DECDFS03_022 DECdfs V2.2 ECO Summary
Modification Date:  22-JUL-98
Modification Type:  DOCUMENTATION:  Technical Modification  
                      OpenVMS Alpha V7.1 added as applicable version.

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 1996, 1997.  All rights reserved.

PRODUCT:    DEC Distributed File Service (DECdfs) for OpenVMS Systems V2.2

OP/SYS:     OpenVMS Alpha V6.1, V6.2, V7.0, V7.1
            OpenVMS VAX V5.5-2, V6.1, V6.2, V7.0

SOURCE:     Digital Equipment Corporation


     ECO Kit Name:  DECDFS03_022
     ECO Kits Superseded by This ECO Kit:  DECDFS02_022
     ECO Kit Approximate Size:  25299 Blocks
		    Saveset A -   144 Blocks
                    Saveset B -  1188 Blocks
                    Saveset C -  1224 Blocks
                    Saveset D -  1350 Blocks
                    Saveset E -  1368 Blocks
                    Saveset F -  2736 Blocks
                    Saveset G -  2844 Blocks
                    Saveset H -  2844 Blocks
                    Saveset I -  2844 Blocks
                    Saveset J -  2952 Blocks
                    Saveset K -  2952 Blocks
                    Saveset L -  2844 Blocks

     Kit Applies To:  DECdfs V2.2
     System/Cluster Reboot Necessary:  Yes


An ECO kit exists for DECdfs V2.2.  This kit addresses the following

Problems Addressed in the DECDFS03_022 kit:

  o  An occasional system crash may occur at system shut-down when 
     DECnet/Plus V6.3-5 is used.  A new DECnet event was introduced 
     to indicate that a link had been broken by network management, 
     rather than by the network partners or fault conditions.  The 
     procedure process_event had to be modified to handle the new 

  o  The DECdfs client process sometimes hangs in an RWAST state when 
     DECnet reports errors on the link.  A window in the synchronization 
     on the DFSS UCB allowed the data structure to become inconsistent. 
     The synchronization was fixed.

Problems Addressed in the DECDFS02_022 kit:

  o  When an operation is performed on a file on a DECdfs device, the
     DECdfs server may crash unexpectedly with an UNXSIGNAL exception at
     DFSSDRIVER+01B5B (OpenVMS VAX only). 

  o  When an operation is performed on a file on a DECdfs device, the
     DECdfs server may crash unexpectedly with an SECURITY1 bugcheck at
     DFSSDRIVER_NPRO+3030 (OpenVMS Alpha only). 

  o  If checksumming is enabled, the DECdfs client may crash during the
     checksum calculation with an INVEXCEPTN bugcheck at DFSRRDRIVER+1100
     (OpenVMS Alpha only). 

  o  When multiple processes on a DECdfs client are accessing files on a
     DECdfs device, the processes may go into the LEF state if a DECnet
     error occurs on the connection between the DECdfs client and the
     DECdfs server. 

  o  On a system that is running both DECdfs and DECnet/OSI, DECdfs may
     appear to use all available DECnet connections because DECnet/OSI
     ignores requests from DECdfs to disconnect connections. 


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. 
Files on this server are as follows:
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