how to test whether host is down

[刘韶华]

Salt test.ping can only tell us whether a host's salt-minion works, but how can we use salt to test whether a host is down ?

[Dmitry Malinovsky]

salt-run manage.down

[刘韶华]

manage.down use test.ping internally, so it returns hosts that are really down and hosts whose salt-minion doesn't work.  How can I get hosts that are really down ?

salt-run manage.down

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[nathan tech]

I was going to test this command quickly. Oh. I can't. I'd have to wait for the 1.5 gig mysql dump file to download and import before I can even get my vagrant box up. That's the beauty of centralization. Salt master tells me what I have to do. I'm about ready to go back to Chef.

[nathan tech]

Is salt-run a command that's run on the minion or the salt master server?

On Wednesday, June 11, 2014 1:48:02 AM UTC-4, 刘韶华 wrote:

[nathan tech]

root@salt-master:~# salt-run
Function '' is unavailable
root@salt-master:~# salt-run manage.down
BLANK

This is non sense. No help list of functions. Blank responses.

[C. R. Oldham]

From: nathan tech nathant...@gmail.com

root@salt-master:~# salt-run
Function '' is unavailable
root@salt-master:~# salt-run manage.down

manage.down returned nothing because none of your minions are down.  What does manage.up say?

--cro