Thank you Vincent for you suggestions. Unfortunately the ping solution is hard to monitor and to assess. On the other hand I already installed Nagios but it is designed to probe from time to time the hosts not to continually ping them. I lowered the check interval to 5 seconds but still there might be problems that escape and given the fact that I am balancing between two databases if only one packet doesn't arrive to the destination the db get out of sync and I am stuck with the same problem. I am looking for something like a mrtg graphic that will signal eventual problems. Thank you for your time, Bogdan Dumitrache LoG Soft Grup http://www.logsoftgrup.ro On Fri, 2009-10-09 at 14:29 +0200, Vincent Van der Kussen wrote: > You could run ping, or otherwise install nagios somewhere (that might be a little to much but still) > > Vincent > > > > Vincent Van der Kussen > System Engineer > direct: +32 3 450 89 88 > Vincent.VanderKussen@xxxxxxxxxxxxxxx > > BTR Services > Groene Hofstraat 31 > 2850 Boom > Belgium > www.btr-services.be > tel: +32 3 450 89 80 > fax: +32 3 450 89 89 > > > > - DISCLAIMER - > This message contains confidential information and is intended only for redhat-list@xxxxxxxxxxx If you are not redhat-list@xxxxxxxxxx, you should not disseminate, distribute or copy this e-mail. Please notify Vincent.VanderKussen@xxxxxxxxxxxxxxx immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. Vincent Van der Kussen therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. If verification is required please request a hard-copy version. > -------------------------------------------------------------------------- > > -----Original Message----- > > From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Lord of Gore > Sent: vrijdag 9 oktober 2009 13:44 > To: redhat-list@xxxxxxxxxx > Subject: Connection monitoring > > Hello list, > > I have a question regarding connection monitoring. Say I have > > / HOST_2 > HOST_1 > \ HOST_3 > > On HOST_1 I have a pgSQL pooler installed (pg_pool II) that does > balancing between HOST_2 and HOST_3 > > Due to some failures I want to monitor the connections between these 3 > machines and see if there are any lost packets. Which application do you > think I shold use to check these 2 connections? > > Long shot but given the connection being PostgreSQL client (HOST_1) to > PostgreSQL Server (HOST_2 and HOST_3) I want also to check if queries > arrive unaltered to the servers. Any ideas? > > Note: the 3 servers are located in an inaccessible place. > > > Thanks > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list