libvirt 4.5 virModuleLoadFile:53

CentOS 7.5.1804的libvirt从3.9升级至4.5时,无法启动,报错如下:

error : virModuleLoadFile:53 : internal error: Failed to load module ‘/usr/lib64/libvirt/storage-backend/libvirt_storage_backend_rbd.so’: /usr/lib64/libvirt/storage-backend/libvirt_storage_backend_rbd.so: undefined symbol: rbd_diff_iterate2

详细报错如下:

[root@localhost ~]# libvirtd -v
2019-01-15 08:56:53.433+0000: 34181: info : libvirt version: 4.5.0, package: 10.el7_6.3 (CentOS BuildSystem <http://bugs.centos.org>, 2018-11-28-20:51:39, x86-01.bsys.centos.org)
2019-01-15 08:56:53.433+0000: 34181: info : hostname: localhost.localdomain
2019-01-15 08:56:53.433+0000: 34181: info : virObjectNew:248 : OBJECT_NEW: obj=0x56166f5da690 classname=virAccessManager
2019-01-15 08:56:53.434+0000: 34181: info : virObjectNew:248 : OBJECT_NEW: obj=0x56166f5cbfe0 classname=virAccessManager
2019-01-15 08:56:53.434+0000: 34181: info : virObjectRef:382 : OBJECT_REF: obj=0x56166f5da690
2019-01-15 08:56:53.434+0000: 34181: info : virObjectUnref:344 : OBJECT_UNREF: obj=0x56166f5da690
2019-01-15 08:56:53.434+0000: 34181: info : virObjectNew:248 : OBJECT_NEW: obj=0x56166f5cc470 classname=virNetDaemon
2019-01-15 08:56:53.434+0000: 34181: info : virEventPollAddHandle:140 : EVENT_POLL_ADD_HANDLE: watch=1 fd=5 events=1 cb=0x7f5e248272d0 opaque=(nil) ff=(nil)
2019-01-15 08:56:53.434+0000: 34181: info : virObjectNew:248 : OBJECT_NEW: obj=0x56166f5cc7d0 classname=virNetServer
2019-01-15 08:56:53.434+0000: 34181: info : virObjectRef:382 : OBJECT_REF: obj=0x56166f5cc7d0
2019-01-15 08:56:53.462+0000: 34181: error : virModuleLoadFile:53 : internal error: Failed to load module '/usr/lib64/libvirt/storage-backend/libvirt_storage_backend_rbd.so': /usr/lib64/libvirt/storage-backend/libvirt_storage_backend_rbd.so: undefined symbol: rbd_diff_iterate2

解决方法:

libvirt_storage_backend_rbd.so应该是连接ceph块设备(rbd)的一个模块,这里暂时不用连接ceph,最简单粗暴的做法就是移除该模块,重启libvirtd。

[root@localhost ~]# cd /usr/lib64/libvirt/storage-backend
[root@localhost storage-backend]# mv libvirt_storage_backend_rbd.so libvirt_storage_backend_rbd.so.bak
[root@localhost ~]# systemctl restart libvirtd
 
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