Connection is resetted

Roger Sikorski Tue, 16 Dec 2014 04:48:08 -0800

Syslog:

Load Balancer 1
Dec 16 13:15:03 RR-DE-JDE-LB /USR/SBIN/CRON[14361]: (CRON) info (No MTA 
installed, discarding output)
Dec 16 13:16:21 RR-DE-JDE-LB pound: (b6c30b70) error read from 172.19.30.203: 
Connection timed out
Dec 16 13:17:01 RR-DE-JDE-LB /USR/SBIN/CRON[14677]: (root) CMD (   cd / && 
run-parts --report /etc/cron.hourly)
Dec 16 13:20:01 RR-DE-JDE-LB /USR/SBIN/CRON[14760]: (root) CMD 
(/usr/local/zenloadbalancer/app/zenrrd/zenrrd.pl)
Dec 16 13:20:02 RR-DE-JDE-LB /USR/SBIN/CRON[14758]: (CRON) info (No MTA 
installed, discarding output)
Dec 16 13:25:01 RR-DE-JDE-LB /USR/SBIN/CRON[15101]: (root) CMD 
(/usr/local/zenloadbalancer/app/zenrrd/zenrrd.pl)
Dec 16 13:25:02 RR-DE-JDE-LB /USR/SBIN/CRON[15099]: (CRON) info (No MTA 
installed, discarding output)
Dec 16 13:26:20 RR-DE-JDE-LB pound: (b725db70) error read from 172.19.31.35: 
Connection timed out
Dec 16 13:26:20 RR-DE-JDE-LB pound: (b6c30b70) error read from 172.19.31.35: 
Connection timed out
Dec 16 13:26:20 RR-DE-JDE-LB pound: (b6d75b70) error read from 172.19.31.35: 
Connection timed out
Dec 16 13:26:20 RR-DE-JDE-LB pound: (b6befb70) error read from 172.19.31.35: 
Connection timed out
Dec 16 13:30:01 RR-DE-JDE-LB /USR/SBIN/CRON[16009]: (root) CMD 
(/usr/local/zenloadbalancer/app/zenrrd/zenrrd.pl)
Dec 16 13:30:03 RR-DE-JDE-LB /USR/SBIN/CRON[16007]: (CRON) info (No MTA 
installed, discarding output)
Dec 16 13:30:20 RR-DE-JDE-LB pound: (b6d34b70) error read from 172.27.30.26: 
Connection timed out
Dec 16 13:30:20 RR-DE-JDE-LB pound: (b721cb70) error read from 172.27.30.26: 
Connection timed out
Dec 16 13:30:20 RR-DE-JDE-LB pound: (b725db70) error read from 172.27.30.26: 
Connection timed out
Dec 16 13:30:20 RR-DE-JDE-LB pound: (b6f3cb70) error read from 172.27.30.26: 
Connection timed out
Dec 16 13:35:01 RR-DE-JDE-LB /USR/SBIN/CRON[16105]: (root) CMD 
(/usr/local/zenloadbalancer/app/zenrrd/zenrrd.pl)
Dec 16 13:35:02 RR-DE-JDE-LB /USR/SBIN/CRON[16103]: (CRON) info (No MTA 
installed, discarding output)
Dec 16 13:36:39 RR-DE-JDE-LB pound: (b721cb70) error flush headers to 
172.19.31.131: Connection reset by peer
Dec 16 13:36:51 RR-DE-JDE-LB pound: (b6f3cb70) error flush headers to 
172.19.31.131: Connection reset by peer
Dec 16 13:36:51 RR-DE-JDE-LB pound: (b6e79b70) error flush headers to 
172.19.31.131: Connection reset by peer
Dec 16 13:36:51 RR-DE-JDE-LB pound: (b721cb70) error flush headers to 
172.19.31.131: Connection reset by peer
Dec 16 13:36:52 RR-DE-JDE-LB pound: (b6f7db70) error flush headers to 
172.19.31.131: Connection reset by peer
Dec 16 13:36:58 RR-DE-JDE-LB pound: (b6efbb70) error flush headers to 
172.19.31.131: Connection reset by peer
Dec 16 13:36:58 RR-DE-JDE-LB pound: (b6db6b70) error flush headers to 
172.19.31.131: Connection reset by peer

tail -f daemon.log
Dec 16 13:36:51 RR-DE-JDE-LB pound: (b6f3cb70) error flush headers to
172.19.31.131: Connection reset by peer
Dec 16 13:36:51 RR-DE-JDE-LB pound: (b6e79b70) error flush headers to
172.19.31.131: Connection reset by peer
Dec 16 13:36:51 RR-DE-JDE-LB pound: (b721cb70) error flush headers to
172.19.31.131: Connection reset by peer
Dec 16 13:36:52 RR-DE-JDE-LB pound: (b6f7db70) error flush headers to
172.19.31.131: Connection reset by peer
Dec 16 13:36:58 RR-DE-JDE-LB pound: (b6efbb70) error flush headers to
172.19.31.131: Connection reset by peer
Dec 16 13:36:58 RR-DE-JDE-LB pound: (b6db6b70) error flush headers to
172.19.31.131: Connection reset by peer
Dec 16 13:40:09 RR-DE-JDE-LB pound: (b70b3b70) error read from 172.27.30.11:
Connection reset by peer
Dec 16 13:40:09 RR-DE-JDE-LB pound: (b70b3b70) error read from 172.27.30.11:
Connection reset by peer
Dec 16 13:40:11 RR-DE-JDE-LB pound: (b70b3b70) error read from 172.27.30.11:
Connection reset by peer
Dec 16 13:40:22 RR-DE-JDE-LB pound: (b70b3b70) error read from 172.27.30.11:
Connection reset by peer

What means the error flush headers?

IP address of this load balancer is 172.19.31.131.

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

Handelsregister Amtsgericht Osnabrück HRB 17067 Sitz der Gesellschaft:
Osnabrück Ident Nr. DE 117657534 Geschäftsführer: Dr. Ibrahim Najafi, Dr.
Gotthard Kirchner
P Before you print think about the ENVIRONMENT

Von: Roger Sikorski [mailto:roger.sikor...@de.rr-icecream.eu]
Gesendet: Dienstag, 16. Dezember 2014 13:24
An: zenloadbalancer-support@lists.sourceforge.net
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Hello,

the load balancer also have the correct time.

Greetings

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

Von: Roger Sikorski [mailto:roger.sikor...@de.rr-icecream.eu]
Gesendet: Dienstag, 16. Dezember 2014 13:21
An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Hi,

with VMware 5.5

Greetings

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

Von: Emilio Campos [mailto:emilio.campos.mar...@gmail.com]
Gesendet: Dienstag, 16. Dezember 2014 13:17
An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

which hypervisor are you working with? HyperV maybe?

2014-12-16 13:08 GMT+01:00 Roger Sikorski
<roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>>:
Hey everyone,

the problem appears again.
The cluster is deactivated.

Greetings
Roger

Von: Roger Sikorski
[mailto:roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>]
Gesendet: Dienstag, 16. Dezember 2014 12:27

An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Hello,

i activated the Cluster Setup now again and changed the dead ratio to 30.

It looks that the connection reset doesn’t appear more.
Many thanks for the help Emilio. ☺

If the problem will again occur I will notify you.

Greetings
Roger Sikorski

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301<tel:%2B49%20541%209999%20301>

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

Von: Roger Sikorski [mailto:roger.sikor...@de.rr-icecream.eu]
Gesendet: Dienstag, 16. Dezember 2014 11:57
An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Hello,

i deactivated for now the Cluster Setup so the user can access the load
balancer without problems.

But the connection time out problems now doesn’t disappear.
It does not occur so often like with the Cluster Setup but it occurs.

This confuse me because the problems first occur after enabling the cluster
setup.

Greetings
Roger

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301<tel:%2B49%20541%209999%20301>

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

Von: Emilio Campos [mailto:emilio.campos.mar...@gmail.com]
Gesendet: Dienstag, 16. Dezember 2014 10:56
An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

those packages are sent to advise the other node who is the master. So you
have to check the ucarp and sync time,change the dead ratio value to 10 or
more, is the time that the cluster will wait for switching the service, in vm
environments is recommended to configure a upper value than 2 (Default).

Regards

2014-12-16 10:32 GMT+01:00 Roger Sikorski
<roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>>:
Hi,

yes we are working with virtual machines. The vm tools are installed.

I will check this today with ucarp and multicast packages.

What I also saw in ucarp.log:
[WARNING] Non-preferred master advertising: reasserting control of
VIP with another gratuitous arp

What means that?

Greetings

Von: Emilio Campos
[mailto:emilio.campos.mar...@gmail.com<mailto:emilio.campos.mar...@gmail.com>]
Gesendet: Dienstag, 16. Dezember 2014 09:36

An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Are you working with virtual machines? In this case are the vm tools installed?

So verify ucarp and multicast packages are allowed in your vlan. Also verify
ntp sync issues.

Regards

2014-12-16 8:46 GMT+01:00 Roger Sikorski
<roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>>:
Hello everyone,

i reinstalled everything again a month ago.
And I used the same configuration (but without cluster setup).

Last Sunday I activated the Cluster Setup and now since yesterday the problems
with ,,Site could not be loaded // Connection is resetted” begins now again.

Any ideas? ☹

Greetings
Roger

Von: Roger Sikorski
[mailto:roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>]
Gesendet: Montag, 10. November 2014 14:48

An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Hello,

the logs file shows nothing special.

I disabled now the cluster to look if the problems realy caused by the cluster
setup.
But the problem exists continuing.

I remember that i changed one thing on the Friday (30.10.14).
I did an upgrade from 3.04 to 3.05.

The monitoring doenst show that the system is overloaded.

Greetings
Roger

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301<tel:%2B49%20541%209999%20301>

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

Von: Cristian Ulloa [mailto:cul...@gmail.com]
Gesendet: Montag, 10. November 2014 14:36
An:
zenloadbalancer-support@lists.sourceforge.net<mailto:zenloadbalancer-support@lists.sourceforge.net>
Betreff: Re: [Zenloadbalancer-support] Site could not be loaded // Connection
is resetted

Hi, you hare checking the logs files in nodes of the cluster?

What error show the files?

Best regards,

CUF
On Nov 10, 2014 6:19 AM, "Roger Sikorski"
<roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>>
wrote:
Good morning,

sometimes i get the error

- Site could not be loaded or connection ist resetted.

I balance JD Edwards over ZenLoad Balancer.

The profil is TCP (Load Balancer port 81 to web server port 81) and for testing
purpose LXNAT/TCP (load balancer port 85 to web server port 81)

I cant realy reproduce this problem and it worked problem-free for three months.

No configuration change or new installed updates.
The only thing i changed was activating the cluster on Friday (31.11.14) and
next week (last week) the problems begun

Can it be really the cluster setup?

Greetings
Roger

Roger Sikorski

Auszubildender IT Fachinformatiker

R&R Ice Cream Deutschland GmbH

Eduard Pestel Str. 15

49080 Osnabrück

Fax: +49 541 9999 301<tel:%2B49%20541%209999%20301>

www.rr-icecream.eu<http://www.rr-icecream.eu/>

roger.sikor...@de.rr-icecream.eu<mailto:roger.sikor...@de.rr-icecream.eu>

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Re: [Zenloadbalancer-support] Site could not be loaded // Connection is resetted

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