You should be able to use STONITH (Shoot The Other Node In The Head). http://www.linux-ha.org/stonith It was originally written as part of heartbeat, but is now used by a number of cluster solutions. It has drivers for a number of smart power switches, but that does not matter in your case. Stonith is normally used to send a power reset command to the power switch which causes the other PC to reboot. What I'm thinking you can do: stonith includes a test driver based on ssh. With the ssh driver, stonith connects via ssh to the other server and issues a reboot command. This is considered a test driver because in a cluster you can't depend on the other node being sane enough to listen to your request. In your case, I think you can. So all you have to do is find the reboot command and change it to a powerdown command. >> ----- Original Message ----- >> From: Trevor Fraser >> To: clug-tech@clug.org.za >> Sent: Thursday, July 11, 2002 2:41 PM >> Subject: Sending poweroff command over LAN. >> Hello all. >> >> I've got two Red Hat Linux servers, one's a file server, the other a >> route/internet server. I've got an APC smart-UPS 1000. The UPS sends a >> shutdown signal to the file server via a serial cable. You can *$buy$*! >> an Interface Expander to get two serial ports out of the UPS, but isn't >> good old Linux capable of much more than the usual buy-buy-buy. >> >> What I want to attempt to do is to get the server which is connected to >> the UPS, when powering down, to send the other server a >> poweroff/run-level 6 signal via the lan. >> >> Is this possible? >> >> What proceedure would I use, and where would I find the relevent info? >> >> Is writing a shell script on the right track, or doesn't this work over >> the lan? >> >> Reguards, Trevor. Greg Freemyer Internet Engineer Deployment and Integration Specialist HP ASE - Tru64 v4, v5 HP Master ASE - SAN Architect The Norcross Group www.NorcrossGroup.com _______________________________________________ Redhat-devel-list mailing list Redhat-devel-list@redhat.com https://listman.redhat.com/mailman/listinfo/redhat-devel-list
