Open Stack

Many thanks.
I'll check today.
Ignazio


Il giorno Mer 6 Feb 2019 21:26 Goutham Pacha Ravi <gouthampravi at gmail.com>
ha scritto:

> On Wed, Feb 6, 2019 at 12:16 PM Tom Barron <tpb at dyncloud.net> wrote:
> >
> > On 06/02/19 17:48 +0100, Ignazio Cassano wrote:
> > >The 2 openstack Installations do not share anything. The manila on each
> one
> > >works on different netapp storage, but the  2 netapp can be
> synchronized.
> > >Site A with an openstack instalkation and netapp A.
> > >Site B with an openstack with netapp B.
> > >Netapp A and netapp B can be synchronized via network.
> > >Ignazio
> >
> > OK, thanks.
> >
> > You can likely get the share data and its netapp metadata to show up
> > on B via replication and (gouthamr may explain details) but you will
> > lose all the Openstack/manila information about the share unless
> > Openstack database info (more than just manila tables) is imported.
> > That may be OK foryour use case.
> >
> > -- Tom
>
>
> Checking if I understand your request correctly, you have setup
> manila's "dr" replication in OpenStack A and now want to move your
> shares from OpenStack A to OpenStack B's manila. Is this correct?
>
> If yes, you must:
> * Promote your replicas
>    - this will make the mirrored shares available. This action does
> not delete the old "primary" shares though, you need to clean them up
> yourself, because manila will attempt to reverse the replication
> relationships if the primary shares are still accessible
> * Note the export locations and Unmanage your shares from OpenStack A's
> manila
> * Manage your shares in OpenStack B's manila with the export locations
> you noted.
>
> > >
> > >
> > >Il giorno Mer 6 Feb 2019 16:32 Tom Barron <tpb at dyncloud.net> ha
> scritto:
> > >
> > >> On 06/02/19 15:34 +0100, Ignazio Cassano wrote:
> > >> >Hello Tom, I think cases you suggested do not meet my needs.
> > >> >I have an openstack installation A with a fas netapp A.
> > >> >I have another openstack installation B with fas netapp B.
> > >> >I would like to use manila replication dr.
> > >> >If I replicate manila volumes  from A to B the manila db on B does
> not
> > >> >knows anything about the replicated volume but only the backends  on
> > >> netapp
> > >> >B. Can I discover replicated volumes on openstack B?
> > >> >Or I must modify the manila db on B?
> > >> >Regards
> > >> >Ignazio
> > >>
> > >> I guess I don't understand your use case.  Do Openstack installation A
> > >> and Openstack installation B know *anything* about one another?  For
> > >> example, are their keystone and neutron databases somehow synced?  Are
> > >> they going to be operative for the same set of manila shares at the
> > >> same time, or are you contemplating a migration of the shares from
> > >> installation A to installation B?
> > >>
> > >> Probably it would be helpful to have a statement of the problem that
> > >> you intend to solve before we consider the potential mechanisms for
> > >> solving it.
> > >>
> > >> Cheers,
> > >>
> > >> -- Tom
> > >>
> > >> >
> > >> >
> > >> >Il giorno Dom 3 Feb 2019 11:05 Tom Barron <tpb at dyncloud.net> ha
> scritto:
> > >> >
> > >> >> On 01/02/19 07:28 +0100, Ignazio Cassano wrote:
> > >> >> >Thanks Goutham.
> > >> >> >If there are not mantainers for this driver I will switch on ceph
> and
> > >> or
> > >> >> >netapp.
> > >> >> >I am already using netapp but I would like to export shares from
> an
> > >> >> >openstack installation to another.
> > >> >> >Since these 2 installations do non share any openstack component
> and
> > >> have
> > >> >> >different openstack database, I would like to know it is possible
> .
> > >> >> >Regards
> > >> >> >Ignazio
> > >> >>
> > >> >> Hi Ignazio,
> > >> >>
> > >> >> If by "export shares from an openstack installation to another" you
> > >> >> mean removing them from management by manila in installation A and
> > >> >> instead managing them by manila in installation B then you can do
> that
> > >> >> while leaving them in place on your Net App back end using the
> manila
> > >> >> "manage-unmanage" administrative commands. Here's some
> documentation
> > >> >> [1] that should be helpful.
> > >> >>
> > >> >> If on the other hand by "export shares ... to another" you mean to
> > >> >> leave the shares under management of manila in installation A but
> > >> >> consume them from compute instances in installation B it's all
> about
> > >> >> the networking.  One can use manila to "allow-access" to consumers
> of
> > >> >> shares anywhere but the consumers must be able to reach the "export
> > >> >> locations" for those shares and mount them.
> > >> >>
> > >> >> Cheers,
> > >> >>
> > >> >> -- Tom Barron
> > >> >>
> > >> >> [1]
> > >> >>
> > >>
> https://netapp.github.io/openstack-deploy-ops-guide/ocata/content/manila.examples.manila_cli.single_svm.html#d6e5806
> > >> >> >
> > >> >> >Il giorno Gio 31 Gen 2019 20:56 Goutham Pacha Ravi <
> > >> >> gouthampravi at gmail.com>
> > >> >> >ha scritto:
> > >> >> >
> > >> >> >> Hi Ignazio,
> > >> >> >>
> > >> >> >> On Thu, Jan 31, 2019 at 7:31 AM Ignazio Cassano
> > >> >> >> <ignaziocassano at gmail.com> wrote:
> > >> >> >> >
> > >> >> >> > Hello All,
> > >> >> >> > I installed manila on my queens openstack based on centos 7.
> > >> >> >> > I configured two servers with glusterfs replocation and
> ganesha
> > >> nfs.
> > >> >> >> > I configured my controllers octavia,conf but when I try to
> create a
> > >> >> share
> > >> >> >> > the manila scheduler logs reports:
> > >> >> >> >
> > >> >> >> > Failed to schedule create_share: No valid host was found.
> Failed to
> > >> >> find
> > >> >> >> a weighted host, the last executed filter was
> CapabilitiesFilter.:
> > >> >> >> NoValidHost: No valid host was found. Failed to find a weighted
> host,
> > >> >> the
> > >> >> >> last executed filter was CapabilitiesFilter.
> > >> >> >> > 2019-01-31 16:07:32.614 159380 INFO manila.message.api
> > >> >> >> [req-241d66b3-8004-410b-b000-c6d2d3536e4a
> > >> >> 89f76bc5de5545f381da2c10c7df7f15
> > >> >> >> 59f1f232ce28409593d66d8f6495e434 - - -] Creating message record
> for
> > >> >> >> request_id = req-241d66b3-8004-410b-b000-c6d2d3536e4a
> > >> >> >>
> > >> >> >>
> > >> >> >> The scheduler failure points out that you have a mismatch in
> > >> >> >> expectations (backend capabilities vs share type extra-specs)
> and
> > >> >> >> there was no host to schedule your share to. So a few things to
> check
> > >> >> >> here:
> > >> >> >>
> > >> >> >> - What is the share type you're using? Can you list the share
> type
> > >> >> >> extra-specs and confirm that the backend (your GlusterFS
> storage)
> > >> >> >> capabilities are appropriate with whatever you've set up as
> > >> >> >> extra-specs ($ manila pool-list --detail)?
> > >> >> >> - Is your backend operating correctly? You can list the manila
> > >> >> >> services ($ manila service-list) and see if the backend is both
> > >> >> >> 'enabled' and 'up'. If it isn't, there's a good chance there
> was a
> > >> >> >> problem with the driver initialization, please enable debug
> logging,
> > >> >> >> and look at the log file for the manila-share service, you
> might see
> > >> >> >> why and be able to fix it.
> > >> >> >>
> > >> >> >>
> > >> >> >> Please be aware that we're on a look out for a maintainer for
> the
> > >> >> >> GlusterFS driver for the past few releases. We're open to bug
> fixes
> > >> >> >> and maintenance patches, but there is currently no active
> maintainer
> > >> >> >> for this driver.
> > >> >> >>
> > >> >> >>
> > >> >> >> > I did not understand if controllers node must be connected to
> the
> > >> >> >> network where shares must be exported for virtual machines, so
> my
> > >> >> glusterfs
> > >> >> >> are connected on the management network where openstack
> controllers
> > >> are
> > >> >> >> conencted and to the network where virtual machine are
> connected.
> > >> >> >> >
> > >> >> >> > My manila.conf section for glusterfs section is the following
> > >> >> >> >
> > >> >> >> > [gluster-manila565]
> > >> >> >> > driver_handles_share_servers = False
> > >> >> >> > share_driver =
> manila.share.drivers.glusterfs.GlusterfsShareDriver
> > >> >> >> > glusterfs_target = root at 10.102.184.229:/manila565
> > >> >> >> > glusterfs_path_to_private_key = /etc/manila/id_rsa
> > >> >> >> > glusterfs_ganesha_server_username = root
> > >> >> >> > glusterfs_nfs_server_type = Ganesha
> > >> >> >> > glusterfs_ganesha_server_ip = 10.102.184.229
> > >> >> >> > #glusterfs_servers = root at 10.102.185.19
> > >> >> >> > ganesha_config_dir = /etc/ganesha
> > >> >> >> >
> > >> >> >> >
> > >> >> >> > PS
> > >> >> >> > 10.102.184.0/24 is the network where controlelrs expose
> endpoint
> > >> >> >> >
> > >> >> >> > 10.102.189.0/24 is the shared network inside openstack where
> > >> virtual
> > >> >> >> machines are connected.
> > >> >> >> >
> > >> >> >> > The gluster servers are connected on both.
> > >> >> >> >
> > >> >> >> >
> > >> >> >> > Any help, please ?
> > >> >> >> >
> > >> >> >> > Ignazio
> > >> >> >>
> > >> >>
> > >>
>
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