1955596 - sddone "write error on virtual disk" and Error 823 when processing high I/O volume in tempdb - SAP ASE | SAP Knowledge Base Article

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1955596 - sddone "write error on virtual disk" and Error 823 when processing high I/O volume in tempdb - SAP ASE

Symptom

  • When processing a large volume of I/O activity for either few or many processes in the tempdb database for Adaptive Server Enterprise (ASE),
  • ASE and kernel I/O errors may be reported against the tempdb device in the ASE errorlog even though the device is healthy: 

kernel sddone: write error on virtual disk 3 block 929616:

server Error: 823, Severity: 24, State: 2
server I/O error detected during wait for BUF=0x0x0000000518e4e6c0, MASS=0x0x0000000518e4e6c0, Buf#=0, page=0x0x000000017ba99000, dbid=2, Mass vdevno=3, vpage=929616, Buf lpage=931664, Mass stat=0x2891110, Buf stat=0x1, size=16384, cid=0 ('default data cache'), Pinned xdes=0x(nil), spid=0.


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Environment

SAP Adaptive Server Enterprise (ASE)

Product

SAP Adaptive Server Enterprise all versions ; Sybase Adaptive Server Enterprise all versions

Keywords

space, filesystem, SKIP_ALLOC, OS, failure, hardware problem, space not available , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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