IT10094: "ANR0443W PROTOCOL ERROR", "INVALID ""MEMBERLIST" FIELD FOUND IN "REPLGROUPMEMBERINFO""

APAR status

• Closed as program error.

Error description

• "Replicate node" command running for grouped objects such as
  Windows system state may fail with following errors:
  
  Source server:
  
  ANR3178E A communication error occurred during session 123 with
  replication server TARGET.
  
  
  Target server:
  
  ANR0443W Protocol error on session 32852 for node NODENAME
  (platform) - invalid
  "memberList" field found in ReplGroupMemberInfo"" verb (offset
  13).
  ANR3178E A communication error occurred during session 32852
  with
  replication server SOURCE.
  ANR0484W Session 32852 for node SOURCE (platform) terminated -
  protocol
  violation detected.
  
  
  Level 2 diagnostics:
  
  On the target server, a repl session trace will show:
  
  12:04:55.667 [48][smtrans.c][2026][SmRecvVerbX]:Session 25800,
  Length=1048543, Size 12, Code=CF00, Ext: Yes,
  Type=ReplGroupMemberInfo.
  12:04:55.667 [48][smrepl.c][1098][SmReplServerSession]:Received
  verb ReplGroupMemberInfo (CF00) on session 25800
  12:04:55.668 [48][smrepl.c][10509][DoGroupMemberInfo]:Entering
  12:04:55.671 [48][smrepl.c][10553][DoGroupMemberInfo]:Exiting
  rc=0
  12:04:55.671 [48][smtrans.c][1922][SmRecvVerbX]:Receiving verb
  for TSM-VER(25800) using buffer 000000001F4D1000.
  12:04:55.671 [48][smtrans.c][6936][ReceiveData]:Receiving
  1048531 info buffer 000000001F4D100C using commInfoP
  0000000014B84D40.
  12:04:55.681 [48][smtrans.c][6950][ReceiveData]:commRc 0 after
  receiving 1048531 info buffer 000000001F4D100C using commInfoP
  0000000014B84D40.
  12:04:55.681 [48][smtrans.c][2026][SmRecvVerbX]:Session 25800,
  Length=1048543, Size 12, Code=CF00, Ext: Yes,
  Type=ReplGroupMemberInfo.
  12:04:55.681 [48][smrepl.c][1098][SmReplServerSession]:Received
  verb ReplGroupMemberInfo (CF00) on session 25800
  12:04:55.681 [48][smrepl.c][10509][DoGroupMemberInfo]:Entering
  12:04:55.685 [48][smrepl.c][10553][DoGroupMemberInfo]:Exiting
  rc=0
  12:04:55.685 [48][smtrans.c][1922][SmRecvVerbX]:Receiving verb
  for TSM-VER(25800) using buffer 000000001F4D1000.
  12:04:55.685 [48][smtrans.c][6936][ReceiveData]:Receiving 351739
  info buffer 000000001F4D100C using commInfoP 0000000014B84D40.
  12:04:55.688 [48][smtrans.c][6950][ReceiveData]:commRc 0 after
  receiving 351739 info buffer 000000001F4D100C using commInfoP
  0000000014B84D40.
  12:04:55.689 [48][smtrans.c][2026][SmRecvVerbX]:Session 25800,
  Length=351751, Size 12, Code=CF00, Ext: Yes,
  Type=ReplGroupMemberInfo.
  12:04:55.689 [48][output.c][7474][PutConsoleMsg]:ANR0443W
  Protocol error on session 25800 for node SOURCE (Windows) -
  invalid "memberList" field found in "ReplGroupMemberInfo" verb
  (offset 13).~
  12:04:55.689 [48][smutil.c][15499][SmIsValidVerbEx]:Invalid verb
  encountered, verbType=52992, verbLen=351751, verbSize=12,
  verbIsExt=1, buffer contents:
  12:04:55.690 [48][smutil.c][15500][SmIsValidVerbEx]: Dumping
  addr=0x000000001F4D1000, len=0x8000, contents=
  
  Important pieces are:
  [SmRecvVerbX]:Session 25800, Length=1048543, Size 12, Code=CF00,
  Ext: Yes, Type=ReplGroupMemberInfo.
  [SmRecvVerbX]:Session 25800, Length=1048543, Size 12, Code=CF00,
  Ext: Yes, Type=ReplGroupMemberInfo.
  [SmRecvVerbX]:Session 25800, Length=351751, Size 12, Code=CF00,
  Ext: Yes, Type=ReplGroupMemberInfo.
  
  
  Two of these verbs are at a length of 1048543 (max size) and
  then a third one smaller.
  
  
  This is the indicator that this issue has occurred before
  seeing:
  ANR0443W Protocol error on session 25800 for node SOURCE
  (Windows) - invalid "memberList" field found in
  "ReplGroupMemberInfo" verb (offset 13).~
  
  Note:
  Do NOT use NOVERBCHECK server option to circumvent this issue
  because it can potentially cause crashes.
  
  Tivoli Storage Manager Server Versions Affected:  7.1.1.x on all
  supported platforms
  | MDVREGR 7.1.1.0-TIV_5698MSV |
  
  Initial Impact: Medium
  
  Additional Keywords:  TSM replication replicate group memberlist
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All Tivoli Storage Manager server users.                     *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is currently *
  * projected to be fixed in level 7.1.3. Note that this is      *
  * subject to change at the discretion of IBM.                  *
  ****************************************************************
  

Problem conclusion

• This problem was fixed.
  Affected platforms:  AIX, HP-UX, Solaris, Linux, and Windows.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  TSM SERVER

• Fixed component ID

  5698ISMSV

Applicable component levels

• R71A PSY

     UP

• R71H PSY

     UP

• R71L PSY

     UP

• R71S PSY

     UP

• R71W PSY

     UP