Forum Discussion

Egis's avatar
Egis
Icon for Neophyte rankNeophyte
17 days ago
Solved

Disks volume capacity alert thresholds based on volume size

Hi folks, Does anyone have alerting thresholds set up based on disk volume capacity, or do you have an idea how to set it up? It could be good practice to have lower thresholds for larger data drive...
  • Mike_Moniz's avatar
    Mike_Moniz
    16 days ago

    It's been brought up a few times in the forums over the years. Your thought should work and might be the easiest but I personally would look to make a DataSource change to keep it a bit cleaner. I do see a Community DataSource called "WinVolumeUsageConditional-" that seems to implement something along these lines. Might be worth looking at or atleast using it for inspiration. Basically it uses Complex datapoints to provide more datapoints based on conditions that you can alert on.

    I personally don't like to hard code thresholds directly into the DataSource, so I would do something more like LargeDrivesFreeSpaceGB=if(gt(AvailableGB,1024),FreeSpaceGB,unkn()) and SmallDrivesFreeSpaceGB=if(le(AvailableGB,1024),FreeSpaceGB,unkn()) so you can set thresholds differently if the drive is small vs large. Note that I didn't test these and just off the top of my head.

    Also keep in mind that thresholds can be real numbers, so you can set thresholds to like >=98.1531%

Mike_Moniz's avatar
Mike_Moniz
Icon for Professor rankProfessor
16 days ago

It's been brought up a few times in the forums over the years. Your thought should work and might be the easiest but I personally would look to make a DataSource change to keep it a bit cleaner. I do see a Community DataSource called "WinVolumeUsageConditional-" that seems to implement something along these lines. Might be worth looking at or atleast using it for inspiration. Basically it uses Complex datapoints to provide more datapoints based on conditions that you can alert on.

I personally don't like to hard code thresholds directly into the DataSource, so I would do something more like LargeDrivesFreeSpaceGB=if(gt(AvailableGB,1024),FreeSpaceGB,unkn()) and SmallDrivesFreeSpaceGB=if(le(AvailableGB,1024),FreeSpaceGB,unkn()) so you can set thresholds differently if the drive is small vs large. Note that I didn't test these and just off the top of my head.

Also keep in mind that thresholds can be real numbers, so you can set thresholds to like >=98.1531%

  • Egis's avatar
    Egis
    Icon for Neophyte rankNeophyte
    15 days ago

    Thanks for your help, Mike! I was able to setup thresholds based on drive sizes.