Windows Diary

The Best Way To Fix A Decompression Sickness Error

Posted on by Owen Coppleson

 

Over the past few weeks, some of our readers have come across a well-known error message with real decompression errors. Several factors can cause this problem. Let’s discuss it now.

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    So, I have a special ticket (00572207) open, but I also reach out to this community:

    I have two corrupted backup jobs. Both copy jobs back up and migrate locallyto the main site via our WAN link.

    Backup 1 gives the following error message:
    “05/29/2014 11:37:21 AM :: Error processing ‘VM’: RLE decompression error: [1054790] Bytes decoded using [1081674] instead of [2315261956].
    –tr: document block could not be decompressed. For
    –tr: error reading block [142413] from restore point
    –tr: The specified file section cannot be read, the specified read offset is ‘149317222400’, the specific size is ‘33554432’.
    –tr: error reading data machine ‘trfiler-flat.vmdk’ in original backups Troy ‘e: veeam Local Backup Troy Local Backup2014-05-27T180108.vib’, read offset ‘149317222400’.
    –tr: Incrementa “

    Interestingly, some local incremental backups complete well, and active full and synthetic full backups also give the following error messages:

    Processing error: ‘vm’ Client error: ChannelError: ConnectionReset
    Error: RPC device is not available. RPC function call failed. Function name: [DoRpc]. Target machine: proxy.

    Client Completed Error CompileFIB: ChannelError: Reset Client Connection
    error: error: ChannelError: ConnectionReset

    Backup 2 gives the previouse error message:
    06/02/2014 20:38:09 :: The patch failed
    06/02/2014 20:39:11 :: Backup conversion failed. Completed on 06.02.2014 20:40:31
    06/02/2014 20:39:30 :: Unable to create recovery guide 03/31/2014 20:00

    And local backups, consisting of synthetic full houses, end well.

    Any good advice on what might be causing these people to make mistakes? two backups 1 I suppose I just need to fetch the local copy and start over because it seems like the chain is corrupted? Is there a way to remove individual restore points from the beginning of this damage?

    rle decompression error

    Please note that this approach does not apply to Veeam backup jobs, only Veeam backups.
    Observed errors can occur while executing Veeam backup jobs, restoring from a copy or possibly from a backup, as well as during a “health check” of a replicated backup:

    • All repository metadata instances are corruptedNS.
    • The location of the metadata is corrupted. Slot offset: [x]
    • Invalid action value for block number [n]
    • Error during LZ4 block decompression: incorrect decompression result or altitude (result: ‘x’, expected length : ‘y’)
    • Zlib decompression failed.
    • RLE decompression buffer overflow. The declared size of the buffer: [x]. Current [y]
    • Specified position: ticket size and delivery length are different. Declared data size: [x]. Buffer length: [y].

    rle decompression error

    [“Business Unit”: “Code”: “BU054”, “Label”: “Systems with TPS”, “Product”: “Code”: “SG19M”, “Label”: “APAR – – z / OS Environment “,” Component “:” “,” ARM Category “: [],” Platform “: [” Code “:” PF025 “,” Label “:” Platform Independence “],” Version “:” 201 “,” Edition “:” “,” Industry “:” code “:” “,” label “:” “,” Business Unit “:” code “:” BU054 “,” label “:” Systems with / TPS “, “Product”: “code”: “SSCY4DZ”, “label”: “All”, “Component”: “”, “ARM Category”: [], “Platform”: [“code”: “PF025”, “label “:” Platform Independent “],” Version “:” 201 “,” Revision “:” “,” Activity SectorNess “:” code “:” “,” label “:” “]

    APAR Status

    • Closed Due To A Program Error.

    Error Description 

    •  The VTAM application starts a session again with the remote PC.Component ID of IBM Communications Manager / 2 Version 1.10562207800. The meeting was scheduled and agreedCompression levels INbound 1 (RLE) and OUTbound 1 (LZ9 bit).IST1048I --- COMPRESSION LEVEL - INPUT = 1, OUTPUT = 2In a case that unfortunately failed, CommManager / 2 compressed 1924 bytes.Data, in addition to the sharded data, goes to VTAM. ISTDPCDS moduleincorrect processing of SENSE data and pairs 20130000 2013SSNSSEDCE (decompression failure). This error propagates backinto the VTAM function by calling RPL RECEIVE withSENS 20130000 RTNCD / FBK2 0403.

    Local Correction 

    •  The problem does not occur if the CommManager has not sharded the data.

    Brief Description Of The Problem 

    •  ******************************************* ****** ********************** INTERESTED USERS: all use RLE compression / decompression ** Algorithm. ************************************************ * * ************* PROBLEM DESCRIPTION: Decompression error RLE SENSE 20130000 ** recognized for newly arrived segments ** circulation... ************************************************ * * ************* RECOMMENDATION: ************************************************ * * ************Buffer sequence VTAM FULL (AMOUNT = FULL) showed CommManager / 2sent to PIU with 13 segments. Any other segmentcontained only 6 bytes of data. The problem was that the lengthSCB must have more than 2 TSCBs. COPYRAW segment inThere was no code in ISTDPCDS that could be successfully processed if there were more than2 OKB. If so, all the surviving data has been copied from the TSCB.Second. Then ISTDPCDS will take over the next controlA byte (SCB) was originally connected to the next TSCB. If thiswhen SENSE 20130000 occurs) (decompression set.

    Problem Solving 

    •  The COPYRAW segment has been updated to traverse the TSCCONT chain.until all of the data in that RAW DATA (SCB) control byte has been copied.

    Temporary Troubleshooting 

    •

    Comments 

    •

    APAR Information

    • APAR Is Added By One Or More Of The Following Elements:

      OW02121

    • APAR Is Routed To One With Several Of The Following shchik:

      UW06173

    Modules / Macros 

    •  ISDPCDS

    Troubleshooting Information

    • Fixed Additive Name

      VTAM V4 MVS / ESA

    • Fixed Component ID

      569511701

    Major Component Levels Apply

    • R201 PSY UW06173

      UP94 / 05/03 P F405

    Patch Available

    • Select The PTF For The Component Level.You Must Be Able To Log In. Physical DistributionMedia Is Not Available In All Countries.

    • APAR Number

      OW03684

    • Reported Part Name

      VTAM V4 MVS / ESA

    • Registered Component ID

      rle decompression error

      569511701

    • Message Sent

      201

    • Status

      PRO CLOSED

    • PE

      No PE

    • HIPER

      No HIPER

    • Special Attention

      NoSpecatt Xsystem

    • Submitted / Date

      1994-03-28

    • Closing Date

      April 25, 1994

    • Last Cut Date

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    • 2. Launch the program and click "Scan"
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    03/08/1994

     

     

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