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Old 03-19-2014, 01:12 PM   #1
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Can't Restore mksysb from one IBM RS/6000 Aix. 4.3.1 to another of RS/6000

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Registered: Aug 2013

Posts: 9

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Can’t restore msysbk data backup from one machine RS/6000 type 7043 mod 140 to another of the same type.
Operating System Aix 4.3.1
They use to restore ok a couple of months ago.
Each machine restores find on the same machine.
Both tape drives have been changed.
Keep Getting media error
Tape cartridges are new
Below are configurations of both disk
4mm 4GB tape drive parameters

DESCRIPTION /////////////// Machine I HOST //////// ////Machine 2 CLONE
//////////////////////////// IBM 7043-140 ///////////////// IBM 7043-140
MACHINE TYPE ///////////// /// IBM4326NP/RP!O //////// IBM4326NP/RP!O
DEVICE 4MM TAPE MICROCODE/////////// 6640 ////////// IBM4326N.30303131.5ALL
DEVICE SPEC ///////// //// 6640 /////// ////////////////// 0011
TAPE P/N ///// //////////// 59H3468///////////////////// 21H5154
FRU P/N /////// ///////// /// 59H3481////////////////////// 21H5172
EC LEVEL ////// ////////// /// // E30329 ////////////////// E30312
DEVICE SPEC (Z0)/////////0180020283000018 /////////// 0180020283000018
DEVICE SPEC (Z3)//////////////////// //////// L1 /////////////// L1
hdisk) location////////////////04-c0-00-4,0 /////////////////////////////04-c0-00-00
0S LEVEL 4.3.1

FIRMWARE VERSION/////////////////////// Tig-99187 ///////////////////// Tig-04204 7/22/04

Last edited by JimmyBobAvi; 03-19-2014 at 01:14 PM.
Old 03-21-2014, 03:55 AM   #2
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Back in the C64 era I had similar problems... the position of magnetic heads in tape-drivers are different, what makes them incompatible. If you adjusted the heads, the might become compatible, but they might become unable to read their own old tapes...
Old 05-13-2014, 02:51 PM   #3
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Problem was solved by installing same microcode levels and same part number tape drives on both systems


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