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scp hang on the instances in openstack

asked 2015-04-06 01:47:41 -0600

HI,

We encountered the issue last week in our Openstack cloud with following symptoms.

  1. Can create instances and can SSH with out issue.
  2. Can WGET from the instances to internet.
  3. When trying to SCP to instances it is getting hang and not getting copied.

Could not find details from the log files, finally rebooted the Controller server which resolved the issue. Can any one give some instructions/ideas to resolve this situation if encountered again?

 - Details
    Controller is on RHEL 7
    Openstack Juno is installed using RDO
    We are having 4 compute  nodes with 1 TB RAM and SAN mounted using multipath.
    Currently we are having nearly 178 active instances.

Thank You, Chamara

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answered 2015-04-06 10:08:04 -0600

Why not just try an alternate port instead, maybe the ssh connection is using scp -P 2222 user@host:directory/SourceFile TargetFile

Or if you wanted things to be more secure try rsync over SSH

https://www.digitalocean.com/communit...

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Thanks for the reply.

But I guess it has nothing to do with SSHD running port , because at the time it get hang we could log in to the instances via SSH with out any issue, Only issue was scp to the instances.

chamaraT gravatar imagechamaraT ( 2015-04-06 23:20:58 -0600 )edit

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Asked: 2015-04-06 01:47:41 -0600

Seen: 545 times

Last updated: Apr 06 '15