SAP Knowledge Base Article - Preview

2785462 - The size of DB device is much smaller than a specified size when the device is created by SWPM.

Symptom

  • When creating a DB device using SWPM, DB device doesn’t seem to be created fully
    E.g)
    When creating a 1.9TB device to /sybase/<SID>/sapdata1  using SWPM, the result of ‘df’ command shows that the only 7.5Gb space of filesystem is used.

    df -h
    /dev/mapper/<volume group> 2.0T 7.5G 1.9T 1% /sybase/<SID>/sapdata1

    But the result of ‘ls -al’ command shows that the size of DB device is 1.9TB.

    ls -al /sybase/<SID>/sapdata1
    total 1992302580
    -rw-r----- 1 sybsid sapsys 2040109465600 Apr 24 09:28 SID_data_001.dat

  • When creating a DB device using SWPM, the following message is also logged in the SID.log.
    warning: 'disk init' command with 'skip_alloc' option turned on for device "/sybase/<SID>/sapdata1/SID_data_001.dat", does not ensure allocation of the specified number of pages.

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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
  • SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

 SWPM-Import phase , KBA , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

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