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arcserve-KB : RO53648 :16.0 Update 7: WIN-MERGE FAILURE/POSSIBLE DATA CORRUPTION UPDATE 7

Last Update: 2016-04-27 12:25:50 UTC

Solutions Details
Operating System:    WINDOWS Solution No:    14
Confirmed Date:    12/26/2012 Updated Date:    03/20/2013
Component:    ARCSERVE D2D-CAD2D Release:     16.0
Fix:    RO53648 Hyper:    Yes
Distribution Code:    AVAILABLE     

Problem Description
Title: WIN-MERGE FAILURE/POSSIBLE DATA CORRUPTION UPDATE 7
Description:
                      If a merge job fails or crashes after finishing  at
  least 10% in update7, user may continuously receive
  merge/backup/restore errors.
 
  In update7, merge can resume from previous failed
  or crashed merge job.
 
  Idx file will be rolled back in a resumed merge
  job. AFStorxxx.log:
 
  [Date Time] :
  CDynamicVHD2::CopyIndexFile(4699)RollBack SIBAT idx
  ...\VStore\S00000000xx\disk0578866163.D2D.idx.mrg
  succeeded.
 
  After that, user may receive errors in the
  following merge/backup/restore job:
 
  AFStorxxxx.log for merge error:
 
  [Date Time] : [Merge] CD2DRWMerger::ReadBlock:
  Failed to read raw block: 692626, Err: 2
 
  [Date Time] : [Merge] CD2DRWMerger::ReadBlock:
  SiBat in session ...\VStore\S00000000XX: SI=0,
  BAT=2059531
 
  [Date Time] : [Merge] CN2ODiskChain::MergeDisk:
  Failed to read block 692626. Err=2
 
  [Date Time] :
  CPurgeSession::ExecutePurge(1567)Execute purge
  steps failed, Error code:2
 
  [Date Time] : SafePurgeSession(2334)ExecutePurge
  failed, Error code:2
 
  [Date Time] : CAFStorDev::PurgeSessionEx(204)Purge
  session failed, Error code:2
 
  [Date Time] : *****************************End
  Purge session*******************************
 
  AFStorxxxx.log for backup error:
 
  [Date Time] :
  CDynamicVHD2::ReadOneBlock(1759)CDynamicVHD2::Read
  OneBlock(1759):Error calling
  SetFilePointerEx[-512]. [EC=131], si:0,
  BAT:18446744073709551615
 
  [Date Time] : CDynamicVHD2::ReadInternal(1936):
  read one block error
 
  [Date Time] : CDynamicVHD2::Read(2057):
  ReadInternal error
 
 
  ***************************************************
  * Please note: This fix addresses a data
  * corruption problem. This fix does not repair
  * the corruption but prevents it from occurring. If
  * this fix is applied after the problem described
  * above occurred, then a new full backup to a
  * different backup destination, to restart the
  * recovery point chain is required!
  *
  * Also note that data from the corrupted recovery
  * points cannot be recovered.
  ***************************************************
 
  Additional note: Please see following KB article
  related to merge issues and data corruption:
 https://arcserve.zendesk.com/hc/en-us/articles/202770925
 
 
  PREREQS: UPDATE7
 
  MPREREQS: None
 
  COREQS: None
 
  MCOREQS: None
 
  SUPERSEDED: None
 
 HYPER: YES
 
 DISTRIBUTION CODE: A (A=Available, I=Internal)
 
 PROBLEM RESOLUTION: Follow the instructions below:
 The following PREREQS must be applied before applying this fix:
 UPDATE7
 
 1. This fix requires CA ARCserve D2D r16.0 to be installed.
 2. Unzip the fix file as follows:
 
 CAZIPXP -u RO53648.CAZ
 
 3. Make sure no Backup/Merge/Restore/Catalog job is running,
  then rename AFStor.dll in C:\Program Files\CA\ARCserve D2D\BIN,
 please add extension "update7" to this.
 
 4. For x86 bit system, Copy AFStor.dll to C:\Program
 Files\CA\ARCserve D2D\BIN
 
 5. For x64 bit system, Copy AFStor.dll.x64 to C:\Program
 Files\CA\ARCserve D2D\BIN, then remove the .x64 extension
 
 
 
 
 PRODUCT(S) AFFECTED: CA Arcserve D2D Ent Support Release 16.0
 
 DOWNLOAD INFORMATION:
 ---------------------
http://downloads.arcserve.com/patches/CAD2D/nt/GA/RO53648/RO53648.CAZ
 
 UPDATED ROUTINES:
 ---------------
 AFStor.dll 878528 THU DEC 20 03:58:07 2012
 AFStor.dll.X64 1281472 THU DEC 20 03:58:01 2012
 
 
 

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