本篇文章為大家展示了大數(shù)據(jù)中創(chuàng)建云硬盤(pán)失敗的解決過(guò)程是怎樣的,內(nèi)容簡(jiǎn)明扼要并且容易理解,絕對(duì)能使你眼前一亮,通過(guò)這篇文章的詳細(xì)介紹希望你能有所收獲。
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登錄dashboard,點(diǎn)擊創(chuàng)建云硬盤(pán)失敗,而且是點(diǎn)擊完就直接報(bào)error錯(cuò)誤。
思路一:新上傳的image鏡像,是不是image的版本有問(wèn)題
檢查完發(fā)現(xiàn)新的image鏡像是新版本的qcow2格式 QEMU QCOW Image (v3),
# qemu-img info cloudera-quickstart-vm-5.7.0-0-kvm.qcow2 image: cloudera-quickstart-vm-5.7.0-0-kvm.qcow2 file format: qcow2 virtual size: 64G (68719476736 bytes) disk size: 8.3G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false
而舊版本的鏡像的compat是0.10
懷疑版本問(wèn)題導(dǎo)致無(wú)法創(chuàng)建,嘗試版本轉(zhuǎn)換
# qemu-img amend -f qcow2 -o compat=0.10 test.qcow2
結(jié)果轉(zhuǎn)換也失??!
同時(shí)想到嘗試直接從鏡像 啟動(dòng)云主機(jī),發(fā)現(xiàn)云主機(jī)啟動(dòng)正常,于是否認(rèn)思路一。
思路二:從鏡像創(chuàng)建云硬盤(pán)失敗,檢查cinder的日志
一開(kāi)始從日志中查找云硬盤(pán)的id,未發(fā)現(xiàn)有用信息。最后在scheduler.log 日志中發(fā)現(xiàn)了端倪。
# cd /var/log/cinder # view scheduler.log 2016-07-16 15:09:02.307 12684 WARNING cinder.scheduler.host_manager [req-42961a34-f2ae-4595-bb01-f4b862edfa49 3d8b93c202a94046be24e4eee5d16fb8 c05f2d7996144cb69921e64391db4512 - - -] volume service is down. (host: bdc212) 2016-07-16 15:09:02.308 12684 WARNING cinder.scheduler.filter_scheduler [req-42961a34-f2ae-4595-bb01-f4b862edfa49 3d8b93c202a94046be24e4eee5d16fb8 c05f2d7996144cb69921e64391db4512 - - -] No weighed hosts found for volume with properties : {} 2016-07-16 15:09:02.310 12684 ERROR cinder.scheduler.flows.create_volume [req-42961a34-f2ae-4595-bb01-f4b862edfa49 3d8b93c202a94046be24e4eee5d16fb8 c05f2d7996144cb69921e64391db4512 - - -] Failed to run task cinder.scheduler.flows.create _volume.ScheduleCreateVolumeTask;volume:create: No valid host was found. No weighed hosts available 2016-07-16 15:09:30.887 12684 WARNING cinder.scheduler.host_manager [req-230ee887-c621-457d-979b-c0a7f2e477f9 3d8b93c202a94046be24e4eee5d16fb8 c05f2d7996144cb69921e64391db4512 - - -] volume service is down. (host: bdc212) 2016-07-16 15:09:30.888 12684 WARNING cinder.scheduler.filter_scheduler [req-230ee887-c621-457d-979b-c0a7f2e477f9 3d8b93c202a94046be24e4eee5d16fb8 c05f2d7996144cb69921e64391db4512 - - -] No weighed hosts found for volume with properties : {} 2016-07-16 15:09:30.890 12684 ERROR cinder.scheduler.flows.create_volume [req-230ee887-c621-457d-979b-c0a7f2e477f9 3d8b93c202a94046be24e4eee5d16fb8 c05f2d7996144cb69921e64391db4512 - - -] Failed to run task cinder.scheduler.flows.create _volume.ScheduleCreateVolumeTask;volume:create: No valid host was found. No weighed hosts available
日志中的 volume service is down. (host: bdc212)說(shuō)明了問(wèn)題,檢查bdc212主機(jī)上的volume服務(wù)
bdc212
Warning keystonerc not sourced
== Nova services ==
openstack-nova-api: active
openstack-nova-cert: active
openstack-nova-compute: active
openstack-nova-scheduler: active
openstack-nova-conductor: active
== Glance services ==
openstack-glance-api: active
openstack-glance-registry: active
== Keystone service ==
== Horizon service ==
openstack-dashboard: active
== neutron services ==
neutron-server: active
neutron-openvswitch-agent: active
== Cinder services ==
openstack-cinder-api: active
openstack-cinder-scheduler: active
openstack-cinder-volume: failed
== Support services ==
openvswitch: active
dbus: active
target: active
rabbitmq-server: active
memcached: active
== Keystone users ==
發(fā)現(xiàn) openstack-cinder-volume服務(wù)狀態(tài)為失敗,于是重啟 openstack-cinder-volume服務(wù)
# systemctl status openstack-cinder-volume ● openstack-cinder-volume.service - OpenStack Cinder Volume Server Loaded: loaded (/usr/lib/systemd/system/openstack-cinder-volume.service; enabled; vendor preset: disabled) Active: failed (Result: exit-code) since Wed 2016-07-13 08:18:36 CST; 3 days ago Main PID: 1775 (code=exited, status=1/FAILURE) Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/session.py", line 413, in create_engine Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder _test_connection(engine, max_retries, retry_interval) Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/session.py", line 591, in _test_connection Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder six.reraise(type(de_ref), de_ref) Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder File "<string>", line 2, in reraise Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder DBConnectionError: (_MySQL_exceptions.OperationalError) (2003, "Can't connect to MySQL server on '192.168.8.212' (111)") Jul 13 08:18:36 bdc212 cinder-volume[1775]: 2016-07-13 08:18:36.002 1775 TRACE cinder Jul 13 08:18:36 bdc212 systemd[1]: openstack-cinder-volume.service: main process exited, code=exited, status=1/FAILURE Jul 13 08:18:36 bdc212 systemd[1]: Unit openstack-cinder-volume.service entered failed state. Jul 13 08:18:36 bdc212 systemd[1]: openstack-cinder-volume.service failed. [root@bdc212 scripts]# systemctl restart openstack-cinder-volume [root@bdc212 scripts]# systemctl status openstack-cinder-volume ● openstack-cinder-volume.service - OpenStack Cinder Volume Server Loaded: loaded (/usr/lib/systemd/system/openstack-cinder-volume.service; enabled; vendor preset: disabled) Active: active (running) since Sat 2016-07-16 15:13:25 CST; 1s ago Main PID: 552481 (cinder-volume) CGroup: /system.slice/openstack-cinder-volume.service ├─552481 /usr/bin/python2 /usr/bin/cinder-volume --config-file /usr/share/cinder/cinder-dist.conf --config-file /etc/cinder/cinder.conf --logfile /var/log/cinder/volume.log └─552488 /usr/bin/python2 /usr/bin/cinder-volume --config-file /usr/share/cinder/cinder-dist.conf --config-file /etc/cinder/cinder.conf --logfile /var/log/cinder/volume.log Jul 16 15:13:25 bdc212 systemd[1]: Started OpenStack Cinder Volume Server. Jul 16 15:13:25 bdc212 systemd[1]: Starting OpenStack Cinder Volume Server... Jul 16 15:13:25 bdc212 cinder-volume[552481]: /usr/lib/python2.7/site-packages/cinder/openstack/common/service.py:38: DeprecationWarning: The oslo namespace package is deprecated. Please use oslo_config instead. Jul 16 15:13:25 bdc212 cinder-volume[552481]: from oslo.config import cfg Jul 16 15:13:25 bdc212 cinder-volume[552481]: No handlers could be found for logger "oslo_config.cfg" Jul 16 15:13:26 bdc212 cinder-volume[552481]: 2016-07-16 15:13:26.162 552481 INFO cinder.volume.manager [req-8fa3b983-e73d-4ec8-9186-6cb0a9ca7c95 - - - - -] Determined volume DB was not empty at startup. Jul 16 15:13:26 bdc212 cinder-volume[552481]: 2016-07-16 15:13:26.223 552481 INFO cinder.openstack.common.service [req-8fa3b983-e73d-4ec8-9186-6cb0a9ca7c95 - - - - -] Starting 1 workers Jul 16 15:13:26 bdc212 cinder-volume[552481]: 2016-07-16 15:13:26.228 552481 INFO cinder.openstack.common.service [req-8fa3b983-e73d-4ec8-9186-6cb0a9ca7c95 - - - - -] Started child 552488 Jul 16 15:13:26 bdc212 cinder-volume[552481]: 2016-07-16 15:13:26.229 552488 INFO cinder.service [-] Starting cinder-volume node (version 2015.1.2) Jul 16 15:13:26 bdc212 cinder-volume[552481]: 2016-07-16 15:13:26.232 552488 INFO cinder.volume.manager [req-ee43f1f7-7c1b-4cda-9583-b8f40b188a5f - - - - -] Starting volume driver RBDDriver (1.1.0)
再次創(chuàng)建云硬盤(pán),發(fā)現(xiàn)可以成功創(chuàng)建!
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