IT24181: ANR9999D_2072472200 PVRGTSPOS: ILLEGAL BLOCK OFFSET FOR TAPE VOLUME WHEN LBPROTECT OPTION OF THE DEVCLASS IS SET TO READWRITE

8.1.6.000-IBM-SPSRV-AIX
8.1.6.000-IBM-SPSRV-Linuxppc64le
8.1.6.000-IBM-SPSRV-Linuxs390x
8.1.6.000-IBM-SPSRV-Linuxx86_64
8.1.6.000-IBM-SPSRV-WindowsX64
8.1.6.000-IBM-SPOC-AIX
8.1.6.000-IBM-SPOC-LinuxPPC64le
8.1.6.000-IBM-SPOC-Linuxs390x
8.1.6.000-IBM-SPOC-Linuxx86_64
8.1.6.000-IBM-SPOC-WindowsX64
8.1.6.000-IBM-SPCMS-Linuxx86_64
8.1.6.000-IBM-SPCMS-WindowsI32
8.1.6.000-IBM-SPCMS-WindowsX64
8.1.6.100-IBM-SPSRV-Linuxppc64le
8.1.6.100-IBM-SPSRV-AIX
8.1.6.100-IBM-SPSRV-Linuxs390x
8.1.6.100-IBM-SPSRV-Linuxx86_64
8.1.6.100-IBM-SPSRV-WindowsX64
7.1.10.000-TIV-TSMSRV-AIX
7.1.10.000-TIV-TSMSRV-HP-UX
7.1.10.000-TIV-TSMSRV-Linuxppc64
7.1.10.000-TIV-TSMSRV-Linuxs390x
7.1.10.000-TIV-TSMSRV-Linuxx86_64
7.1.10.000-TIV-TSMSRV-SolarisSPARC
7.1.10.000-TIV-TSMSRV-WIN
IBM Spectrum Protect Server V8.1 Fix Pack 6 (V8.1.6) Downloads
IBM Spectrum Protect Server V8.1.6.X interim fix downloads
IBM Spectrum Protect Server V7.1 Fix Pack 10 (7.1.10.000) Downloads

APAR status

• Closed as program error.

Error description

• When the devclass option LBPROTECT is set to READWRITE the
  following errors may happen when reading data from tapes  (
  restore or move  or reclaim or copy ):
  
    ANR9999D_2072472200 PvrGtsPos(pvrgts.c:xx) Thread<yy>: Illegal
    block offset for tape volume VOL001: pos=1022760.262140,
    size=262140.
  
  or
  
    ANR9999D_1810146427 PvrGtsRead(pvrgts.c:xx) Thread<yy>:
    Illegal block offset for tape volume VOL002:
    pos=3542749.262140, block size=262140.
  
  There is a block  boundary condition that causes the above
  errors.
  
  IBM Spectrum Protect server Versions Affected: all V7.1.x and
             V8.1.x versions on all supported platforms
  
  Customer/L2 Diagnostics:
  
  A PVR trace shows symptoms below:
  
  [pvr.c][13345][AgentThread]:PVR I/O agent (15630) processing POS
   request.
  [pvrgts.c][2306][PvrGtsPos]:volP=0x7ffe681c8898, headerType=2
  [pvrgts.c][2317][PvrGtsPos]:Common tape pos.
  [pvrgts.c][8331][BlockHdrSize]:Size of block header is 48.
  [pvrgts.c][2419][PvrGtsPos]:Positioning tape volume VOL001 to
  1022760.262140.
  [pvrgts.c][8380][DataBytesInBlockHdr]:Number of data bytes is
  262092.
  [pvrgts.c][2538][PutConsoleMsg]:ANR9999D_2072472200
  PvrGtsPos(pvrgts.c:2538) Thread<15630>: Illegal block offset for
  tape volume VOL001: pos=1022760.262140, size=262140.~
  
  or
  
  [pvr.c][13152][AgentThread]:PVR I/O agent (6404178) processing
  READ request.
  [pvrgts.c][2710][PvrGtsRead]:Reading 262144 bytes from tape
  volume VOL002.
  [pvrgts.c][8218][BlockHdrSize]:Size of block header is 48.
  [pvrgts.c][6538][FetchBuffer]:Fetching block(s) 7306745-7306745
  from drive DRIVE2 (/dev/tape/by-id/tapedrive_HP_xxxxx).
  [pspvr.c][3987][PvrPsDevRead]:handle = 91, read amt = 262144,
  numBytes requested = 262144, errno = 0
  [pvrgts.c][6573][FetchBuffer]:Adjusting amtRead to 262140.
  [pvrgts.c][8803][GtsValidateBlockCRC]:Generating CRC, IOBuffer =
  0x0x7ffea895f000, dataBytes = 262140.
  [pvrgts.c][6739][FetchBuffer]:Fetched blocks 7306745-7306745
  (262140 bytes) from drive DRIVE2
  (/dev/tape/by-id/tapedrive_HP_xxxxx)
  [pvrgts.c][6863][ComBlockHeaderValid]:Validate Common Block
  Header - expected block ID = 7306745 and expected data bytes =
  262092.
  [pvrgts.c][8218][BlockHdrSize]:Size of block header is 48.
  [pvrgts.c][8267][DataBytesInBlockHdr]:Number of data bytes is
  262092.
  [output.c][7647][PutConsoleMsg]:ANR9999D_1810146427
  PvrGtsRead(pvrgts.c:2810) Thread<6404178>: Illegal block offset
  for tape volume VOL002: pos=7306745.262140, block size=262140.~
  
  Initial Impact: High
  
  Additional Keywords:    TSM  LOGICAL BLOCK PROTECTION CRC
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All IBM Spectrum Protect server users of logical block       *
  * protection.                                                  *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is projected *
  * to be fixed in levels 7.1.10 and 8.1.6.                      *
  * Note that this is subject to change at the discretion of     *
  * IBM.                                                         *
  ****************************************************************
  

Problem conclusion

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