1988917 - why does dbcc checkstorage use only one worker process despite more than one worker process configured? - ASE | SAP Knowledge Base Article

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1988917 - why does dbcc checkstorage use only one worker process despite more than one worker process configured? - ASE

Symptom

  • Dbcc checkstorage runs with only one worker process and hanging even though ASE has been configured for parallel processing
  • Dbcc stacktrace(spid) gives the following function calls:

upsleepgeneric()
pchk_pt_ws_mapio()
pchk_pt_create_wsmap()
checkstorage()


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Environment

  • SAP Adaptive Server Enterprise (ASE) 12.5
  • SAP Adaptive Server Enterprise (ASE) 15.0

Product

SAP Adaptive Server Enterprise 12.5

Keywords

dbcc checkstorage, hanging, worker process, upsleepgeneric, pchk_pt_ws_mapio, pchk_pt_create_wsmap, checkstorage , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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