Chnages in v3:
* add fix for path() calls in Plugin.pm
* use rbd export/import instead of mapping+dd
* list images for volume exists helper
* fix commit message for patch adding Common module
* add patch dropping outdated error message check
Changes in v2:
* add fix for path() in iSCSI direct plugin
* add export for iSCSI plugins
* add RFC for improving RBD volume exists helper
For remote migration, export/import functionality is also useful for
storages that are shared within a single cluster. While file-based
network storages already can rely on the default file-based
implementation in Plugin.pm, RBD and iSCSI plugins did not have the
functionality yet.
Regarding RBD:
For now, only 'raw+size' is supported and it's not possible to
export/import with snapshots. The volume or snapshot is mapped using
rbd and then the data is read via 'dd'.
Introducing an 'rbd' transport format might be feasible for more
complete (i.e. with snapshots, incremental) transfer between two RBD
storages.
For iSCSI plugins, remote migration will still fail further up the
stack though:
> can't migrate local disk 'iscsidirect:lun0': owned by other VM (owner = VM )
> can't migrate local disk
> 'iscsi:0.0.0.scsi-360014055b29367fb79a46b0bdb179fae': owned by other VM
> (owner = VM )
pve-storage:
Fiona Ebner (10):
plugin: export/import: fix calls to path() method
rbd plugin: schema: document default value for 'krbd' setting
export: redirect stdout to avoid any unrelated messages ending up in
the export stream
rbd plugin: factor out helper to check if volume already exists
rbd plugin: implement volume import/export
rbd plugin: improve volume exists helper
iscsi plugin: support volume export
iscsi direct plugin: support volume export
plugins: volume import: align size up to 1KiB
rbd plugin: list: drop outdated error message check
Max Carrara (1):
common: introduce common module
src/PVE/CLI/pvesm.pm | 5 +-
src/PVE/Storage/Common.pm | 54 ++++++++++
src/PVE/Storage/Common/Makefile | 6 ++
src/PVE/Storage/ISCSIDirectPlugin.pm | 63 ++++++++++++
src/PVE/Storage/ISCSIPlugin.pm | 48 +++++++++
src/PVE/Storage/LVMPlugin.pm | 4 +-
src/PVE/Storage/Makefile | 2 +
src/PVE/Storage/Plugin.pm | 12 ++-
src/PVE/Storage/RBDPlugin.pm | 142 ++++++++++++++++++++++++---
9 files changed, 317 insertions(+), 19 deletions(-)
create mode 100644 src/PVE/Storage/Common.pm
create mode 100644 src/PVE/Storage/Common/Makefile
pve-container:
Fiona Ebner (2):
migration: allow rbd storages for remote migration
migration: add reminder to evaluate dropping seemingly useless check
for PVE 9
src/PVE/LXC/Migrate.pm | 3 +++
1 file changed, 3 insertions(+)
Summary over all repositories:
10 files changed, 320 insertions(+), 19 deletions(-)
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