OpenStack Note

1、No handlers could be found for logger "keystoneclient.client"
cannot connect to keystone DB, such as wrong passwd,wrong ip.
#[drop database keystone;]
#keystone-manage db_sync
#service keystone restart
#./gen_keystone_data.sh

2、Auth GET failed: 401 Not Authorized
swift-init main start
swift-init rest start


3、# glance index        
Failed to show index. Got error:
The request returned 503 Service Unavilable. This generally occurs on service overload or other transient outage.
：wrong username password hostip in glance configure file.


nova-compute##############################

4. nova-compute ['HANDLE_INVALID', 'SR', 'OpaqueRef:NULL']

SRDEVICE=/dev/sda7 or setup a loop device

Create an SR from your SRDEVICE

. /etc/xcp/inventory
SR=$(xe sr-create \
host-uuid=$INSTALLATION_UUID \
type=ext \
name-label='Local storage' \
device-config:device=$SRDEVICE)

Set the newly created SR to be the pool default

POOL=$(xe pool-list --minimal)
xe pool-param-set uuid=$POOL default-SR=$SR

5. nova-compute KeyError: 'host_memory_total'
vi /etc/nova/nova.conf
sr_matching_filter="other-config:i18n-key=local-storage"
-->
sr_matching_filter="default-sr:true"


6. [Errno 111] ECONNREFUSED
7. [Errno 104] Connection reset by peer
8. port 80 already used, apache2 or xcp-xapi cannot start
Both apache2 and xcp-xapi listenning port 80 or 443. Change the ports of one process, then OK.