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DescriptionGuido Langenbach
2019-01-17 09:56:27 UTC
Description of problem:
We are unable to migrate virtual machines running on a cephfs (posix) storage domain.
Version-Release number of selected component (if applicable):
libvirt-4.5.0-10.el7_6.3.x86_64
How reproducible:
always
Steps to Reproduce:
1. create virtual machine on cephfs (posix) storage domain
2. try to migrate the virtual machine
Actual results:
migration of virtual machine is not successful
Expected results:
virtual machine migration without problems
Additional info:
seems to be related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1640465https://bugzilla.redhat.com/show_bug.cgi?id=1632711
We get following libvirt error:
2019-01-16 17:52:22,187+0100 ERROR (migsrc/b5a6fc67) [virt.vm] (vmId='b5a6fc67-1cd3-4fa6-8ecc-304494164a4a') Failed to migrate (migration:455)
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 437, in _regular_run
self._startUnderlyingMigration(time.time())
File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 509, in _startUnderlyingMigration
self._perform_with_conv_schedule(duri, muri)
File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 587, in _perform_with_conv_schedule
self._perform_migration(duri, muri)
File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 529, in _perform_migration
self._migration_flags)
File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 98, in f
ret = attr(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 130, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 92, in wrapper
return func(inst, *args, **kwargs)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1779, in migrateToURI3
if ret == -1: raise libvirtError ('virDomainMigrateToURI3() failed', dom=self)
libvirtError: Unsafe migration: Migration without shared storage is unsafe