firethorn

changeset 4314:a544ca0d35c9

Added some notes on recent issue with VM/TAP services
author Stelios <stv@roe.ac.uk>
date Mon Nov 09 11:36:54 2020 +0200 (3 months ago)
parents ba9eff2eed8a
children d26d2cfa6b16
files doc/notes/stv/20201107-Unresponsive-VM.txt
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/doc/notes/stv/20201107-Unresponsive-VM.txt	Mon Nov 09 11:36:54 2020 +0200
     1.3 @@ -0,0 +1,70 @@
     1.4 +#
     1.5 +# <meta:header>
     1.6 +#   <meta:licence>
     1.7 +#     Copyright (c) 2020, ROE (http://www.roe.ac.uk/)
     1.8 +#
     1.9 +#     This information is free software: you can redistribute it and/or modify
    1.10 +#     it under the terms of the GNU General Public License as published by
    1.11 +#     the Free Software Foundation, either version 3 of the License, or
    1.12 +#     (at your option) any later version.
    1.13 +#
    1.14 +#     This information is distributed in the hope that it will be useful,
    1.15 +#     but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 +#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.17 +#     GNU General Public License for more details.
    1.18 +#
    1.19 +#     You should have received a copy of the GNU General Public License
    1.20 +#     along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.21 +#   </meta:licence>
    1.22 +# </meta:header>
    1.23 +#
    1.24 +#
    1.25 +
    1.26 +
    1.27 +# Healthhecker producing 503 exceptions again..
    1.28 +
    1.29 +ssh Stevedore@Lothigometh 
    1.30 +ssh_exchange_identification: Connection closed by remote host
    1.31 +
    1.32 +# VM not responding to ssh requests
    1.33 +
    1.34 +ssh trop02
    1.35 +
    1.36 +	stv@trop02:~$ virsh -c 'qemu:///system' shutdown Lothigometh
    1.37 +	> Domain Lothigometh is being shutdown
    1.38 +
    1.39 +	stv@trop02:~$ virsh -c 'qemu:///system' start Lothigometh
    1.40 +	> error: Domain is already active
    1.41 +
    1.42 +	ssh Stevedore@Lothigometh 
    1.43 +	> ssh_exchange_identification: Connection closed by remote host
    1.44 +
    1.45 +	# Nope..
    1.46 +	
    1.47 +	# Pull the plug
    1.48 +
    1.49 +	stv@trop02:~$ virsh -c 'qemu:///system' destroy Lothigometh
    1.50 +	> Domain Lothigometh destroyed
    1.51 +
    1.52 +	stv@trop02:~$ virsh -c 'qemu:///system' start Lothigometh
    1.53 +	> Domain Lothigometh started
    1.54 +
    1.55 +	ssh Stevedore@Lothigometh 
    1.56 +	> ssh_exchange_identification: Connection closed by remote host
    1.57 +
    1.58 +	# Nope..
    1.59 +	
    1.60 +	# Recreate VM
    1.61 +	createvm 
    1.62 +
    1.63 +		..
    1.64 +
    1.65 +		Vol Lothigometh.iso deleted
    1.66 +		Vol Lothigometh.iso created
    1.67 +		Creating new virtual machine [Lothigometh]
    1.68 +		Domain Lothigometh defined from /tmp/tmp.Qfa22JjbRH
    1.69 +		Starting new virtual machine [Lothigometh]
    1.70 +		Domain Lothigometh started
    1.71 +
    1.72 +# Run TAP Deploy..
    1.73 +http://wfau.metagrid.co.uk/code/firethorn/file/ba9eff2eed8a/doc/notes/stv/20200514-TAP-Swarm-deploy-2.1.36.txt