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Flexible server monitoring

Introducing Simon 5!

Simon version 5 is now available. It is a massive update, introducing a much-requested feature: syncing the Simon data between multiple Macs, plus a Simon Status service, a Link Checker filter, improved Find filter, iMessage and Speak Error notifiers, a new app icon, and much more.

Important: please note that Simon 5 requires a minimum of macOS 10.12 (Sierra), and is a paid upgrade from Simon 4. Purchasers since September 1, 2020 automatically get a version 5 license (that also works in previous versions).

Read the Simon What's New page for details.

false failures

I have a bunch of ping test setup for about 15 mac servers. we are migrating over from our old, outdated software to Simon. Simon notifies me that a ping test failed when our other software doesn't. The servers are all up and running fine.

The ping settings are:

send 5 packets
failure if:
average more than 1000 ms
packet loss over 0%

viewing the failures, it shows:
"20% ping packet loss (limit 0%)"

first of all, i don't believe that we're getting a 20% packet loss on nearly every server almost once every couple days. should i bump the "notify if failure over..." percent up to 30% or could there be an underlying issue?


David Sinclair's picture

Re: false failures

You can use the Preview feature to see what the Ping results are — the Ping service just calls the standard unix ping command, so it can be trusted.

Packet loss does happen, and isn't a huge deal, if sporadic. So yes, you might want to bump up the percentage.

bumped up to 25%. thanks

bumped up to 25%. thanks for your help!