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Troubleshooting
This section contains a guidance on how to verify Cinder is configured for using Google Cloud Storage backup driver and where to look for logs.
Finding logs
LVM as backend for Cinder volumes
Backup-related Cinder logs can be found in
/var/log/cinder/cinder-backup.log on nodes with
cinder role.
Ceph as backend for Cinder volumes
Backup-related Cinder logs can be found in
/var/log/cinder/cinder-backup.log on nodes with
controller role.
Finding configuration files
LVM as backend for Cinder volumes
Backup-related Cinder parameters are stored in /etc/cinder/cinder.conf on cinder nodes.
Ceph as backend for Cinder volumes
Backup-related Cinder parameters are stored in /etc/cinder/cinder.conf on controller nodes.
Verifying GCS Cinder backup driver is enabled
If GCS Cinder backup driver is enabled [DEFAULT] section of cinder.conf should contain
backup_driver = cinder.backup.drivers.google
and
backup_gcs_credential_file = /var/lib/cinder/credentials.json
The file /var/lib/cinder/credentials.json should contain
the same information as the credentials file downloaded from Google
Cloud Storage UI.