check the driver lists and set https://docs.openstack.org/kilo/config-reference/content/list-of-compute-config-options.html
sysctl: cannot stat /proc/sys/net/bridge/bridge-nf-call-iptables: No such file or directory sysctl: cannot stat /proc/sys/net/bridge/bridge-nf-call-ip6tables: No such file or directory solution: modprobe br_netfilter
it is mostly date issue check date on both controller and cinder-volume server and do ntpdate 1.ubuntu.pool.ntp.org
If you get this keystone –debug user-list WARNING: unsupported identity-api-version 3, falling back to 2.0 DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://controller:35357/v3/tokens INFO:urllib3.connectionpool:Starting new HTTP connection (1): controller DEBUG:urllib3.connectionpool:”POST /v3/tokens HTTP/1.1″ 404 93 DEBUG:keystoneclient.session:Request returned failure status: 404 Authorization Failed: The resource could not be found. (HTTP 404) (Request-ID: req-fc9d4273-c31b-473c-af3e-9e3d4cd3d5c0) Add export OS_AUTH_URL=http://controller:35357/v2.0
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ISCSI involves two main factors, 1st the ISCSI initator (client) and 2nd ISCSI target (server) which is most often a disk server running any avaiable ISCSI target daemon . ISCSI can be used to mount network drives locally and use as normal disk drives in Linux sense they can be added as /dev/sdX for e.g… Continue reading How does ISCSI works ?