[jira] [Updated] (VCL-503) Persistent SSH connection, add timeout to hung SSH processes
[ https://issues.apache.org/jira/browse/VCL-503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andy Kurth updated VCL-503: --- Fix Version/s: (was: 2.3) 2.4 > Persistent SSH connection, add timeout to hung SSH processes > > > Key: VCL-503 > URL: https://issues.apache.org/jira/browse/VCL-503 > Project: VCL > Issue Type: Improvement > Components: vcld (backend) >Affects Versions: 2.2.1 >Reporter: Andy Kurth >Assignee: Andy Kurth > Fix For: 2.4 > > > SSH processes issued from the management node to the computer being loaded > occasionally hang for a very long time or indefinitely. This causes the > reservation process to hang. > This problem usually occurs soon after the computer begins to respond to SSH > after it has been reloaded. vcld detects that it is responding and begins to > issue commands. The SSH service/daemon is probably still being initialized > on the computer. The SSH command hangs and does not fail because it makes an > initial connection, a hiccup occurs, and the SSH service on the computer runs > normally. Setting SSH options such as ServerAlive* or TCPKeepAlive doesn't > help because the computer responds to these messages. > Code should be added to timeout the SSH command process after a configurable > amount of time. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Updated] (VCL-503) Persistent SSH connection, add timeout to hung SSH processes
[ https://issues.apache.org/jira/browse/VCL-503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andy Kurth updated VCL-503: --- Issue Type: Improvement (was: Bug) Summary: Persistent SSH connection, add timeout to hung SSH processes (was: Add timeout to hung SSH processes) > Persistent SSH connection, add timeout to hung SSH processes > > > Key: VCL-503 > URL: https://issues.apache.org/jira/browse/VCL-503 > Project: VCL > Issue Type: Improvement > Components: vcld (backend) >Affects Versions: 2.2.1 >Reporter: Andy Kurth >Assignee: Andy Kurth > Fix For: 2.3 > > > SSH processes issued from the management node to the computer being loaded > occasionally hang for a very long time or indefinitely. This causes the > reservation process to hang. > This problem usually occurs soon after the computer begins to respond to SSH > after it has been reloaded. vcld detects that it is responding and begins to > issue commands. The SSH service/daemon is probably still being initialized > on the computer. The SSH command hangs and does not fail because it makes an > initial connection, a hiccup occurs, and the SSH service on the computer runs > normally. Setting SSH options such as ServerAlive* or TCPKeepAlive doesn't > help because the computer responds to these messages. > Code should be added to timeout the SSH command process after a configurable > amount of time. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira
