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Space utilization and Used space doesnt match

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  • QuakENT
    Member
    • Jun 2010
    • 40

    #1

    Space utilization and Used space doesnt match

    Hello, I have a linux server, where I monitoring filesystems. After few weeks of collecting data by zabbix agent Im looking at results and items "Space utilization" and "Used space" doesnt match. What could be a reason for this?

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  • Markku
    Senior Member
    Zabbix Certified SpecialistZabbix Certified ProfessionalZabbix Certified Expert
    • Sep 2018
    • 1781

    #2
    In https://www.zabbix.com/documentation...le-system-data (vfs.fs.size) it says: "Reserved space of a file system is taken into account and not included when using the free mode."

    From that I assume that also pfree excludes the reserved space.

    Use sudo tune2fs -l command to show the Reserved block count and Block size to see what is the reserved space in the filesystem.

    Markku

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    • QuakENT
      Member
      • Jun 2010
      • 40

      #3
      Hm, this is nasty one. Thx for tip.

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