Monthly Archives: April 2015

openstack compute node on centos7

yum install -y https://rdo.fedorapeople.org/rdo-release.rpm

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openstack storagebackends

storage backends

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openstack lvm and cinder

If you do not specify a volume group, cinder will create his own volume group called cinder-volumes and use loopback devices for physical volumes. If you do create and specify a volume group, you should specify the volume group to … Continue reading

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CDOT 8.3 statistics catalog example

statistics catalog instance show -object lif statistics catalog instance show -object volume statistics catalog counter show -object lif statistics catalog counter show -object volume statistics start -object lif -counter recv_data statistics stop statistics show -object lif

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CDOT 8.3 initiator ip in session

To view the ip-addresses in an iSCSI session: cdot83::qos> iscsi session show -vserver iscsi -t Vserver: iscsi Target Portal Group: o9oi Target Session ID: 2 Connection ID: 1 Connection State: Full_Feature_Phase Connection Has session: true Logical interface: o9oi Target Portal … Continue reading

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CDOT 8.3 selective lunmapping

Selective lun mapping is a new iscsi feature in cdot 8.3. Selective lun mapping results in that only the two nodes in the HA-pair that hosts the LUN map the lun as ‘reporting-nodes’. This is to reduce the number of … Continue reading

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openstack on centos 7

quickstqrt 1. change selinux to permissive setenforce 0 2. run systemctl stop NetworkManager systemctl disable NetworkManager systemctl enable network sudo yum update -y sudo yum install -y https://rdo.fedorapeople.org/rdo-release.rpm sudo yum install -y openstack-packstack packstack –allinone

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cdot 8.3 licenses

CLUSTERED SIMULATE ONTAP LICENSES +++++++++++++++++++++++++++++++++ These are the licenses that you use with the clustered Data ONTAP version of Simulate ONTAP to enable Data ONTAP features. There are four groups of licenses in this file: – cluster base license – … Continue reading

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openstack restart all

To restart all openstack services: # for svc in api cert compute conductor network scheduler; do service openstack-nova-$svc restart done Redirecting to /bin/systemctl restart openstack-nova-api.service Redirecting to /bin/systemctl restart openstack-nova-cert.service Redirecting to /bin/systemctl restart openstack-nova-compute.service Redirecting to /bin/systemctl restart openstack-nova-conductor.service … Continue reading

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