Open Stack

On Tue, 9 Mar 2021 at 22:24, Jeremy Stanley <fungi at yuggoth.org> wrote:
>
> On 2021-03-09 22:19:48 +0000 (+0000), Jeremy Stanley wrote:
> > On 2021-03-09 22:18:12 +0000 (+0000), Jeremy Stanley wrote:
> > > On 2021-03-09 22:08:18 +0000 (+0000), Lee Yarwood wrote:
> > > > I reported the following bug last week but I've yet to get any real
> > > > feedback after asking a few times in irc.
> > > >
> > > > Running parallel iSCSI/LVM c-vol backends is causing random failures in CI
> > > > https://bugs.launchpad.net/cinder/+bug/1917750
> > > >
> > > > AFAICT tgtadm is causing this behaviour. As I've stated in the bug
> > > > with Fedora 32 and lioadm I don't see the WWN conflict between the two
> > > > backends. Does anyone know if using lioadm is an option on Focal?
> > >
> > > https://docs.openstack.org/cinder/latest/admin/blockstorage-lio-iscsi-support.html
> > > seems to indicate that you just need to set it in configuration. The
> > > package that document mentions looks like a distro package
> > > recommendation (does not exist under that name on PyPI) and the
> > > equivalent lib on PyPI is included in cinder's requirements.txt
> > > file, but I don't see either mentioned in the devstack source tree
> > > so maybe that needs to be installed for DevStack-based jobs to take
> > > advantage of it.
> >
> > Oh, and this would be the package to add from Ubuntu Focal:
> >
> > https://packages.ubuntu.com/focal/python3-rtslib-fb
>
> Nevermind, DevStack installs the projects with pip, so the one in
> cinder's requirements.txt should already be present. In that case,
> yeah, just set it in the config?

Yes correct, my question was more to see if there were any known
issues with using lioadm on Focal. Anyway I've pushed the following
WIP change for devstack to switch over to lioadm when using Focal:

WIP cinder: Default CINDER_ISCSI_HELPER to lioadm on Ubuntu
https://review.opendev.org/c/openstack/devstack/+/779624