openstack/cinder
Code Issues Proposed changes

Merge "Fix example of failed migrarion for LVM->RBD"

Browse Source
This commit is contained in:
Zuul 2022-04-29 19:50:20 +00:00 committed by Gerrit Code Review
commit 519d3d571a
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
doc/source/contributor/migration.rst
View File

@ -33,8 +33,11 @@ the migration of 'in-use' volumes is driver dependent. It depends on
different drivers involved in the operation. It may fail depending on
the source or destination driver of the volume.
For example, from RBD to LVM, the migration of 'in-use' volume will
succeed, but from LVM to RBD, it will fail.
For example, for older releases (before Ussuri), the migration of
'in-use' volume from RBD to LVM will succeed, but from LVM to RBD,
it will fail. Currently, migration of 'in-use' volumes will not succeed
for any backend when they are attached to an instance in any of these
states: SHUTOFF, SUSPENDED, or SOFT-DELETED.
There are two major scenarios, which volume migration supports
in Cinder: