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ALL: Preliminary ticket to assess and remove blocks on instrument disk space control #8320

Open ChrisM-S opened 2 months ago

ChrisM-S commented 2 months ago

Space on instrument system disks

Space is difficult to control on systems disks because of:

  1. Growing/untrimmed database files(s)
  2. Growing/untrimmed log files
  3. Need for a clear choice on how much data for the above should be kept on the instruments.
  4. Issues with "archiving" any trimmed data are not part of this ticket as systems exist to ensure this is done regardless of any local space control strategies

Acceptance criteria

Notes

  1. From a systems view (i.e. not losing beam time due to system disk becoming overfull), the maximum size of the files/sum of total file sizes should be controlled.
  2. From a science/robustness view, the instrument should retain sufficient local data to enable viewing of at least recent data and logs.
  3. For this ticket, there is no assumption of another source of data logging/error log files, just the question of how much would be useful to ensure is stored on the local instrument disk.

Time in Planning

01:13:00 02/05/24