Hi, Have you a custom Scalr installation? The way instances retrieve farm information from Scalr has changed in the last release. You should either upgrade your Scalr installation or downgrade scalr-ami-scripts package (on your instances).
Regards, Nick 2009/12/9 vinuj <[email protected]>: > All of a sudden our farm has ceased to work and giving an error - > Backend server not responding > One or more app instances unreachable > > our farm has www & app role.... > the app role can be accessed directly... but the www role is not able > to access it and gives the above error on scalr page. > > event log shows this - > 09-12-2009 01:12:39 ERROR csfwebnet i-dc3ab2b5/rebuild- > awshosts.sh Cannot rertrieve farm hosts list from Scalr. > 09-12-2009 01:12:36 ERROR csfwebnet i-dc3ab2b5/instance-up.sh > Cannot rertrieve farm hosts list from Scalr. > 09-12-2009 01:12:35 ERROR csfwebnet i-dc3ab2b5/vhost-manage.sh > Cannot retrieve virtual hosts list from Scalr. > 09-12-2009 01:12:34 ERROR csfwebnet i-dc3ab2b5/rebuild-awshosts.sh > Cannot rertrieve farm hosts list from Scalr. > 09-12-2009 01:12:33 INFO csfwebnet i-dc3ab2b5/trap-inithost.sh > Received INIT trap from UDP: [10.254.199.20]:32937 (AWS account ID: > 004857531777). Finishing host start-up. > 09-12-2009 01:12:31 INFO csfwebnet i-dc3ab2b5/instance-init.sh > Host 10.249.127.111/www initialized. Awaiting authentication data. > > also i hav checked the /etc/aws/hosts/ directory its empty... > > Please help me its a production system. > > Thanks > > -- > > You received this message because you are subscribed to the Google Groups > "scalr-discuss" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/scalr-discuss?hl=en. > > > -- You received this message because you are subscribed to the Google Groups "scalr-discuss" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/scalr-discuss?hl=en.
