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Description: Show ovs uplinks for local host
manage_ovs show_uplinks
Description: Show ovs uplinks for full cluster
allssh "manage_ovs show_uplinks"
Description: Show ovs interfaces for local host
manage_ovs show_interfaces
Show interfaces for full cluster
allssh "manage_ovs show_interfaces"
Description: Show switch information
ovs-vsctl show
Description: List bridges
ovs-vsctl list br
Description: Show OVS port information
ovs-vsctl list port br0 ovs-vsctl list port bond
Description: Show interface information
ovs-vsctl list interface br0
Description: Show ports on a bridge
ovs-vsctl list-ports br0
Description: Show ifaces on a bridge
ovs-vsctl list-ifaces br0
Description: Add port to bridge
ovs-vsctl add-port bridge port
Description: Add bond port to bridge
ovs-vsctl add-bond bridge port iface
Description: Show bond details
ovs-appctl bond/show bond
Example:
ovs-appctl bond/show bond0
Description: Enable LACP on ports
ovs-vsctl set port bond lacp=active/passive
Description: Enable on all hosts for bond0
for i in `hostips`;do echo $i; ssh $i source /etc/profile > /dev/null 2>&1; ovs-vsctl set port bond0 lacp=active;done
Description: Show LACP details
ovs-appctl lacp/show bond
Description: Set bond mode on ports
ovs-vsctl set port bond bond_mode=active-backup, balance-slb, balance-tcp
Description: Show OVS openflow details
ovs-ofctl show br0
Description: Show OpenFlow rules
ovs-ofctl dump-flows br0
Description: Get QEMU PIDs
ps aux | grep qemu | awk '{print $2}'
Description: Get top metrics for specific PID
top -p PID
Description: Get active Stargates for storage I/O for each QEMU processes
netstat –np | egrep tcp.*qemu
More coming soon!
Description: Check iSCSI Redirector Logs for all hosts
for i in `hostips`; do echo $i; ssh root@$i cat /var/log/iscsi_redirector;done
Example for single host
Ssh root@HOSTIP Cat /var/log/iscsi_redirector
Description: Monitor CPU steal time (stolen CPU)
Launch top and look for %st (bold below)
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 96.4%id, 0.0%wa, 0.0%hi, 0.1%si, **0.0%st**
Description: Monitor VM resource stats
Launch virt-top
Virt-top
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