Re: [ [PATCH 0/3] Add SCSI persistent reservation support for LUN Passthrough

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On 10/2/18 11:03 PM, Cole Robinson wrote:
On 09/26/2018 08:36 AM, Michal Privoznik wrote:
On 09/25/2018 11:12 AM, Lin Ma wrote:
Lin Ma (3):
   cli: disk: add pr.managed=, pr.type=, pr.path= and pr.mode= support
   details: Add disk pr.managed and pr.path options to support SCSI PR
   addhardware: Add disk pr.managed and pr.path options to support SCSI
     PR

  man/virt-install.pod                          | 13 +++++
  .../compare/virt-install-many-devices.xml     |  9 +++
  tests/clitest.py                              |  1 +
  ui/addhardware.ui                             | 56 ++++++++++++++++++
  ui/details.ui                                 | 57 +++++++++++++++++++
  virtManager/addhardware.py                    | 42 ++++++++++++++
  virtManager/details.py                        | 47 ++++++++++++++-
  virtManager/domain.py                         | 15 ++++-
  virtinst/cli.py                               |  5 ++
  virtinst/devices/disk.py                      |  9 +++
  10 files changed, 252 insertions(+), 2 deletions(-)


Not a virt-manager developer, but since I wrote libvirt part of the
feature here are my thoughts. Do whatever you want with it O:-)

I think virt-manager should support only managed mode, if anything. The
unmanaged mode is mostly for testing and requires some setting up on
administrator side. It is not secure either - domain running under any
seclabel must be able to connect to pr-helper socket.

Managed mode spawns one pr-helper per domain, kills it automatically on
domain shutdown and labels the socket correctly.


Yes I agree. This should be just a checkbox for 'Peristent Reservations' and hidden for non-scsi.

That said see the other mail I sent:
https://www.redhat.com/archives/virt-tools-list/2018-October/msg00021.html

If a raw XML editing mode works out, this is likely one of the UI options I would drop, it's a power user option only applicable to a particular advanced usecase. That said in the meantime I will accept a patch

Thanks,
Cole


will do, Thank Michal and Colefor the suggestions.
Lin

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