[Users] Storage server

Itamar Heim iheim at redhat.com
Thu Feb 6 11:55:20 UTC 2014


On 02/06/2014 12:54 PM, Koen Vanoppen wrote:
> What if I remove the "old ip" storage domains and import the same iscsi
> luns with the new IP, would that work?

removing a domain *deletes* all disks/vms, other than that...

(we are working on ability to detach/attach domains post 3.4)

>
> Kind Regards
>
>
> 2014-02-06 Koen Vanoppen <vanoppen.koen at gmail.com
> <mailto:vanoppen.koen at gmail.com>>:
>
>     Can I change the storagedomain ip from the ovirt-shell?
>     Thanks in advance
>
>
>     2014-02-06 Itamar Heim <iheim at redhat.com <mailto:iheim at redhat.com>>:
>
>         On 02/06/2014 12:03 PM, Koen Vanoppen wrote:
>
>             Can I change the storagedomain ip from the ovirt-shell?
>             Thanks in advance
>
>
>         please reply to list, thanks
>
>
>
>             2014-02-06 Itamar Heim <iheim at redhat.com
>             <mailto:iheim at redhat.com> <mailto:iheim at redhat.com
>             <mailto:iheim at redhat.com>>>:
>
>
>                  On 02/06/2014 05:16 AM, Koen Vanoppen wrote:
>
>                      It's not on DNS... The storage server in ovirt is
>             on IP... So...
>                      What
>                      are my options in this case?
>
>
>                  you would need to 'edit the connection'. since 3.3.1
>             this is
>                  possible via the rest api without hacking the db:
>             http://www.ovirt.org/Features/____Manage_Storage_Connections
>             <http://www.ovirt.org/Features/__Manage_Storage_Connections>
>
>
>             <http://www.ovirt.org/__Features/Manage_Storage___Connections <http://www.ovirt.org/Features/Manage_Storage_Connections>>
>
>                      Thanx!
>
>                      Kind regards,
>                      Koen
>
>                      On Feb 5, 2014 9:08 AM, "Itamar Heim"
>             <iheim at redhat.com <mailto:iheim at redhat.com>
>                      <mailto:iheim at redhat.com <mailto:iheim at redhat.com>>
>                      <mailto:iheim at redhat.com <mailto:iheim at redhat.com>
>             <mailto:iheim at redhat.com <mailto:iheim at redhat.com>>>> wrote:
>
>                           On 02/04/2014 03:10 PM, Elad Ben Aharon wrote:
>
>                               Actually, the best way to do it would be
>             to create another
>                               storage domain and migrate all the VMs's
>             disks to it
>                      (you can do
>                               it while the VMs are running), then you
>             won't suffer
>                      from a down
>                               time.
>
>
>                           notice this will create a snapshot for your
>             vms and may
>                      change them
>                           from raw to qcow. also, this not supported for
>             shared disks.
>
>                               If you don't have the option to do so, the
>             best way to
>                      do it
>                               would be to shut down the VMs, put the
>             storage domain to
>                               'Maintenance' and then perform the storage
>             server network
>                               change. When the connection to the storage
>             is fixed,
>                      activate
>                               the domain and resume the VMs manually.
>
>
>                           that's assuming the domain was added using dns
>             and not ip
>                      address,
>                           and that the dns expiration/caching on all
>             hosts will
>                      notice the new
>                           ip address.
>
>
>
>                               ----- Original Message -----
>                               From: "Koen Vanoppen"
>             <vanoppen.koen at gmail.com <mailto:vanoppen.koen at gmail.com>
>                      <mailto:vanoppen.koen at gmail.__com
>             <mailto:vanoppen.koen at gmail.com>>
>                               <mailto:vanoppen.koen at gmail.
>             <mailto:vanoppen.koen at gmail.>____com
>                      <mailto:vanoppen.koen at gmail.__com
>             <mailto:vanoppen.koen at gmail.com>>>>
>                               To: "Elad Ben Aharon" <ebenahar at redhat.com
>             <mailto:ebenahar at redhat.com>
>                      <mailto:ebenahar at redhat.com
>             <mailto:ebenahar at redhat.com>>
>                               <mailto:ebenahar at redhat.com
>             <mailto:ebenahar at redhat.com>
>                      <mailto:ebenahar at redhat.com
>             <mailto:ebenahar at redhat.com>>>>__, users at ovirt.org
>             <mailto:users at ovirt.org>
>                      <mailto:users at ovirt.org <mailto:users at ovirt.org>>
>                               <mailto:users at ovirt.org
>             <mailto:users at ovirt.org> <mailto:users at ovirt.org
>             <mailto:users at ovirt.org>>>
>
>                               Sent: Tuesday, February 4, 2014 2:57:57 PM
>                               Subject: Re: [Users] Storage server
>
>                               For the moment, nothing is going on. The
>             change is
>                      planned on
>                               Thursday. So,
>                               correct me if I'm wrong, you say that the
>             fastest and
>                      easiest
>                               way is to
>                               suspend all the machines, make the change
>             of the
>                      storage server,
>                               rediscover
>                               the iscsi server and then bring the vm's
>             back up?
>
>                               Kind regards,
>                               Koen
>                               On Feb 4, 2014 1:47 PM, "Elad Ben Aharon"
>                      <ebenahar at redhat.com <mailto:ebenahar at redhat.com>
>             <mailto:ebenahar at redhat.com <mailto:ebenahar at redhat.com>>
>                               <mailto:ebenahar at redhat.com
>             <mailto:ebenahar at redhat.com>
>
>                      <mailto:ebenahar at redhat.com
>             <mailto:ebenahar at redhat.com>>>> wrote:
>
>                                   Hi,
>
>                                   I suppose that those VMs are now in
>             'Paused' state,
>                      correct
>                                   me if I'm
>                                   wrong.
>                                   After connectivity with storage comes
>             back, all VMs
>                      which
>                                   couldn't detect
>                                   their disks should be resumed from
>             'Paused' to 'Up'
>                      state
>                                   automatically. It
>                                   shouldn't take them a long time to
>             change their
>                      state (a few
>                                   minutes).
>
>                                   ----- Original Message -----
>                                   From: "Koen Vanoppen"
>             <vanoppen.koen at gmail.com <mailto:vanoppen.koen at gmail.com>
>                      <mailto:vanoppen.koen at gmail.__com
>             <mailto:vanoppen.koen at gmail.com>>
>                                   <mailto:vanoppen.koen at gmail.
>             <mailto:vanoppen.koen at gmail.>____com
>                      <mailto:vanoppen.koen at gmail.__com
>             <mailto:vanoppen.koen at gmail.com>>>>
>                                   To: users at ovirt.org
>             <mailto:users at ovirt.org> <mailto:users at ovirt.org
>             <mailto:users at ovirt.org>>
>                      <mailto:users at ovirt.org <mailto:users at ovirt.org>
>             <mailto:users at ovirt.org <mailto:users at ovirt.org>>>
>                                   Sent: Tuesday, February 4, 2014 2:32:46 PM
>                                   Subject: [Users] Storage server
>
>                                   Dear All,
>
>                                   At work, the network guys have come to
>             a discovery
>                      that they
>                                   have made a
>                                   mistake in their network
>             configuration... The
>                      Storage server
>                                   that we use as
>                                   ISCSI target in oVirt, is in the wrong
>             VLAN, so the
>                      wrong IP
>                                   address...
>
>                                   What is the best way to make sure that
>             all of our
>                      vms (40)
>                                   that are using
>                                   this scsi storage will come up again
>             after the storage
>                                   server has changed
>                                   his ip?
>                                   What are the best steps to be taken...?
>                                   We are using oVirt Engine Version:
>             3.3.1-2.el6
>
>                                   Kind Regards,
>
>                                   Koen
>
>
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