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Merging Woes...

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gwichman

IS-IT--Management
Sep 10, 2002
199
US
Arcserver 2000 SP4 on Windows 2000 Server SP2..

Tapes are from another company. Merges routinely fail with only a portion merging successfully. Not sure whats going on here but Arcserv tech support has been USELESS. Any Arcserv guru's have REAL suggestions on where you'd turn if faced with a similar situation? I am considering involving a data recovery specialist to see if the tapes are damaged in some way though i suspect the real problem is still configuration related.

Activity log examples:

20020930 183603 48 Use media W-JOB8-FRI-8/3/01, ID 3B51, sequence #1
20020930 183603 48 E3801 Invalid session header signature. (SIG=5555aaaa)
20020930 183603 48 0 Directories 0 Files (0 KB) Merged from Media.
20020930 183603 48 64 KB Read from Media.
20020930 183603 48 Elapsed Time: 0s
20020930 183603 48 Average Throughput: 3.75 MB/min
20020930 183603 48 Number of Errors/Warnings: 1/0
20020930 183607 48 ** Summary for Job **
20020930 183607 48 1 Sessions Found on Media.
20020930 183607 48 0 Directories 0 Files (0 KB) Merged from Media.
20020930 183607 48 64 KB Read from Media.
20020930 183607 48 Elapsed Time: 0s
20020930 183607 48 Average Throughput: 3.75 MB/min
20020930 183607 48 Number of Errors/Warnings: 1/1
20020930 183607 48 Merge Operation Failed.


20020930 234200 52 Catalog file found on session.
20020930 234200 52 477 Directories 6,330 Files (90,457.31 MB) Merged from Media.
20020930 234200 52 90,476.81 MB Read from Media.
20020930 234200 52 Elapsed Time: 3h 35m 45s
20020930 234200 52 Average Throughput: 419.35 MB/min
20020930 234203 52 Source Session 24 on Media W-JOB10-FRI- 8/03/01
20020930 234203 52 Using catalog merge method.
20020930 234203 52 Function: TSIGetSessionTrailer called(session=24)
20020930 234224 52 Catalog QFA(9748,64512,412).
20020930 234224 52 Catalog Position Method I : Position to catalog file from Session Trailer.
20020930 234239 52 MergePositionCatalog returned successful.
20020930 234239 52 MergeFileHeader returned.(tcb.bytesRead=64859)
20020930 234239 52 Creating temp file C*.*
20020930 234239 52 MergeStreamID returned.(tcb.bytesRead=64891)
20020930 234239 52 MergeCatalogSessionHeader returned.(tcb.bytesRead=65403)
20020930 234239 52 Method I : Start Merge Operation with Catalog file.
20020930 234240 52 Method I : End Merge Operation with Catalog file.
20020930 234240 52 MergeStreamID returned.(tcb.bytesRead=42523)
20020930 234240 52 18,767 Directories 40,626 Files (2.22 MB) Merged from Media.
20020930 234240 52 6.50 MB Read from Media.
20020930 234240 52 Elapsed Time: 37s
20020930 234240 52 Average Throughput: 10.54 MB/min
20020930 234257 52 Source Session 25 on Media W-JOB10-FRI- 8/03/01
20020930 234257 52 Using catalog merge method.
20020930 234257 52 Function: TSIGetSessionTrailer called(session=25)
20020930 234414 52 Catalog QFA(58668,29696,60).
20020930 234414 52 Catalog Position Method I : Position to catalog file from Session Trailer.
20020930 234428 52 MergePositionCatalog returned successful.
20020930 234428 52 MergeFileHeader returned.(tcb.bytesRead=30043)
20020930 234428 52 Creating temp file C*.*
20020930 234428 52 MergeStreamID returned.(tcb.bytesRead=30075)
20020930 234428 52 MergeCatalogSessionHeader returned.(tcb.bytesRead=30587)
20020930 234428 52 Method I : Start Merge Operation with Catalog file.
20020930 234429 52 Method I : End Merge Operation with Catalog file.
20020930 234429 52 MergeStreamID returned.(tcb.bytesRead=15171)
20020930 234429 52 1,401 Directories 12,284 Files (880.87 MB) Merged from Media.
20020930 234429 52 1.00 MB Read from Media.
20020930 234429 52 Elapsed Time: 1m 32s
20020930 234429 52 Average Throughput: 574.48 MB/min
20020930 234444 52 Source Session 26 on Media W-JOB10-FRI- 8/03/01
20020930 234444 52 Using catalog merge method.
20020930 234444 52 Function: TSIGetSessionTrailer called(session=26)
20020930 234507 52 Catalog file itself spans on the session.
20020930 234507 52 Catalog QFA(240819,9728,657).
20020930 234507 52 Catalog Position Method II : Position to catalog file from Session Header.
20020930 234913 52 E3841 Unable to find session number. (MEDIA=W-JOB10-FRI- 8/03/01, SESSION=26, EC=EARLY WARNING)
20020930 235006 52 MergePositionCatalog returned.(EC=-1)
20020930 235006 52 W3884 Unable to position media catalog file.
20020930 235006 52 Retry Merge operation with the sequential merge method.
20020930 235257 52 E3841 Unable to find session number. (MEDIA=W-JOB10-FRI- 8/03/01, SESSION=26, EC=EARLY WARNING)
20020930 235350 52 ** Summary for PS-BS-1550-03 **
20020930 235350 52 25 Sessions Found on Media.
20020930 235350 52 181,017 Directories 548,265 Files (175,957.65 MB) Merged from Media.
20020930 235350 52 90,548.31 MB Read from Media.
20020930 235350 52 Elapsed Time: 4h 5m 31s
20020930 235350 52 Average Throughput: 716.66 MB/min
20020930 235350 52 Number of Errors/Warnings: 2/2
20020930 235350 52 ** Summary for Job **
20020930 235350 52 25 Sessions Found on Media.
20020930 235350 52 181,017 Directories 548,265 Files (175,957.65 MB) Merged from Media.
20020930 235350 52 90,548.31 MB Read from Media.
20020930 235350 52 Elapsed Time: 4h 5m 31s
20020930 235350 52 Average Throughput: 716.66 MB/min
20020930 235350 52 Number of Errors/Warnings: 2/3
20020930 235350 52 Merge Operation Failed.


20021001 002359 51 Next media W-JOB11-FRI- 8/03/01, ID 3CD3, sequence #4
20021001 002601 51 Resume Merge Operation.
20021001 005248 51 Catalog file found on session.
20021001 005254 51 40,810 Directories 749,743 Files (101,537.78 MB) Merged from Media.
20021001 005254 51 103,954.25 MB Read from Media.
20021001 005254 51 Elapsed Time: 5h 36m 50s
20021001 005254 51 Average Throughput: 308.61 MB/min
20021001 005300 51 Source Session 7 on Media W-JOB11-FRI- 8/03/01
20021001 005300 51 Using catalog merge method.
20021001 005301 51 Function: TSIGetSessionTrailer called(session=7)
20021001 005340 51 Catalog file itself spans on the session.
20021001 005340 51 Catalog QFA(1509957,7680,47899).
20021001 005340 51 Catalog Position Method II : Position to catalog file from Session Header.
20021001 005730 51 E3841 Unable to find session number. (MEDIA=W-JOB11-FRI- 8/03/01, SESSION=7, EC=000000FE)
20021001 005823 51 MergePositionCatalog returned.(EC=-1)
20021001 005823 51 W3884 Unable to position media catalog file.
20021001 005823 51 Retry Merge operation with the sequential merge method.
20021001 010057 51 E3841 Unable to find session number. (MEDIA=W-JOB11-FRI- 8/03/01, SESSION=7, EC=000000FE)
20021001 010150 51 ** Summary for PS-BS-1550-03 **
20021001 010150 51 6 Sessions Found on Media.
20021001 010150 51 57,227 Directories 845,239 Files (135,332.91 MB) Merged from Media.
20021001 010150 51 103,963.37 MB Read from Media.
20021001 010150 51 Elapsed Time: 5h 44m 56s
20021001 010150 51 Average Throughput: 392.34 MB/min
20021001 010150 51 Number of Errors/Warnings: 2/2
20021001 010151 51 ** Summary for Job **
20021001 010151 51 6 Sessions Found on Media.
20021001 010151 51 57,227 Directories 845,239 Files (135,332.91 MB) Merged from Media.
20021001 010151 51 103,963.37 MB Read from Media.
20021001 010151 51 Elapsed Time: 5h 44m 56s
20021001 010151 51 Average Throughput: 392.34 MB/min
20021001 010151 51 Number of Errors/Warnings: 2/3
20021001 010151 51 Merge Operation Failed.
 
Are the tape drives and firmware the same? Have you tried setting DoNotUseCatalogMerge instead of it looking for CAT files?
 
There is no way to confirm the tape drives and firmware are the same because the tapes were created on drives that are no longer in production (i.e. they are about a year old). They are both DLT8000's though essentially which i understand are all made by Quantum anyhow (despite what manufacturer you may buy them from).

Yes i've tried DoNotUseCatalogMerge. No real help there but thanks.
 
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