takmiyagi

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takmiyagi

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February 13th, 2020 07:00

What is OneFS8.2 “Low Space Behavior" Threshold?

Hi Everyone

Please tell me about the "Low Space Behavior" job added from Isilon OneFS8.2.

https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h12570-wp-isilon-onefs-job-engine.pdf

"In situations where the job engine sees the available capacity on one or more disk pools fall below a low space threshold, it engages low space mode. This enables space-saving jobs to run and reclaim space before the job engine or even the cluster become unusable.When the job engine is in low-space mode new jobs will not be started, and any jobs that are not space-saving will be paused.Once free space returns above the low-space threshold, jobs that have been paused for space are resumed."

*page24

 

There is such a description in the above white paper. 

Is there any reference material that mentions the threshold of this Low Space Mode?
Can this threshold be changed?

  • DELL-Sam L

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    Posted February 14th, 2020 08:00

    Hello takmiyagi,

    Low space threshold is normally happening when the available capacity falls below 5%.  You don’t want to change this as doing so may cause issues with your system.

    Please let us know if you have any other questions.

  • takmiyagi

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    Posted February 14th, 2020 09:00

    Hi Sam

    Thanks for the reply. 

    I have one more question. Will the white paper explaining it be made public?