Hello,
We've noticed that when total Swap being used is greater than the total Swap on the machine in the memory column/page, Xymon reports back with 0% for Swap usage and alongside it, it says, " - invalid data".
We've noticed this happening several times for us and I assume it's due to excessive swap usage that causes the memory/swap usage being reported by the machine going completely out of wack...
Here's a recent example:
Memory Used Total Percentage[image: green] Physical 10183M 11910M 85%[image: green] Actual 9945M 11910M 83%[image: clear] Swap 1759218M 3967M 0% - invalid data
This is fine and all and it's certainly not Xymon's fault in any way, as it's just reporting what the machine is reporting (and the machine is also showing wacked out numbers for swap usage).
What I don't care for is that when this happens, the color/state for Swap just goes Clear, which causes the memory page/column to just go Green for the machine in question. This makes it very hard to know when this kind of thing happens and needs to be addressed (usually with a reboot of the machine), as it just appears that everything is fine since memory is showing Green. Often times, we don't even get any warning of excessive swap usage with any Yellow or Red alerts prior to this happening as it happens so fast on the machine, too fast for Xymon to catch it.
Is it possible to make it so that this kind of situation causes the color/state for Swap to go Red, as an indication that something is very wrong and needs to be addressed, instead of going Clear? Or at least makes it go Yellow?
I'd greatly appreciate this being changed so it at least doesn't show Clear! Any other suggestions for how to change this behavior are more then welcome!
Thanks for the help!!
-- Matt Vander Werf