[ovirt-users] Reinstalling a new oVirt Manager

VONDRA Alain AVONDRA at unicef.fr
Wed Mar 18 16:24:21 UTC 2015 

Is there normal that in General tab of the storage Domain imported, Nothing is allocated :


Size:   2047 GB
Available:      1576 GB
Used:   471 GB
Allocated:      [N/A]
Over Allocation Ratio:  0%




> So I have imported the SD and no VMs are seen...
> What can I do ?????
> I'm sure there are many VMs in this SD, why can I reach them ?
> I've put the SD in Maintenance, now.
> Help !!!!

>
> What do you think about it Simone ?
> Thanks
>
>
>
> > Do you think that I can import the SDs in my new Data Center without
> > any risk to destroy the VMs inside them ??
> > Thank you for your advice.
>
> > If no other engine is managing them, you can safely import the
> > existing storage domain.
> > As usual, is always a good idea to keep a backup.
>
> There is no other engine anymore, when you say to keep a backup, you
> talk about the engine or the SAN storage ???

If you are afraid to loose your VM images I talking about back-upping the storage.

> What I am afraid is about the Data in the iSCSI SAN, I can't make a
> backup of this.

A lot of SAN provides backup or snapshot capabilities.
Otherwise, once mounted, an iSCSI device is just a block device so, assuming that you have enough free space somewhere, at least you can still dump it.

> >
> >
> > Alain VONDRA
> > Chargé d'exploitation des Systèmes d'Information Direction
> > Administrative et Financière
> > +33 1 44 39 77 76
> > UNICEF France
> > 3 rue Duguay Trouin  75006 PARIS
> > www.unicef.fr
> >
> >
> >
> >
>
>
> Alain VONDRA
> Chargé d'exploitation des Systèmes d'Information Direction
> Administrative et Financière
> +33 1 44 39 77 76
> UNICEF France
> 3 rue Duguay Trouin  75006 PARIS
> www.unicef.fr
>
>
>
>
>
>
> Alain VONDRA
> Chargé d'exploitation des Systèmes d'Information Direction
> Administrative et Financière
> +33 1 44 39 77 76
> UNICEF France
> 3 rue Duguay Trouin  75006 PARIS
> www.unicef.fr
>
>
>
>


Alain VONDRA
Chargé d'exploitation des Systèmes d'Information Direction Administrative et Financière
+33 1 44 39 77 76
UNICEF France
3 rue Duguay Trouin  75006 PARIS
www.unicef.fr






Alain VONDRA
Chargé d'exploitation des Systèmes d'Information
Direction Administrative et Financière
+33 1 44 39 77 76
UNICEF France
3 rue Duguay Trouin  75006 PARIS
www.unicef.fr




> > -----Message d'origine-----
> > De : users-bounces at ovirt.org [mailto:users-bounces at ovirt.org] De la
> > part de VONDRA Alain Envoyé : mardi 17 mars 2015 23:33 À : Simone
> > Tiraboschi Cc : users at ovirt.org Objet : Re: [ovirt-users]
> > Reinstalling a new oVirt Manager
> >
> > Ok great, I can see the different storage that I want to import, but
> > I can't see the VMs on the un-connected pool.
> > So anyway I have to go further and import the storage domain passing
> > the alert message.
> > Am I right ?
> > No other way to see the VMs in SD :
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainsList
> > 7e40772a-fe94-4fb2-94c4-6198bed04a6a
> > 0fec0486-7863-49bc-a4ab-d2c7ac48258a
> > d7b9d7cc-f7d6-43c7-ae13-e720951657c9
> > 1f6dec51-12a6-41ed-9d14-8f0ad4e062d2
> > f9a0076d-e041-4d8f-a627-223562b84b90
> > 04d87d6c-092a-4568-bdca-1d6e8f231912
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainInfo
> > 7e40772a-fe94-4fb2-94c4-6198bed04a6a
> >         uuid = 7e40772a-fe94-4fb2-94c4-6198bed04a6a
> >         vguuid = zwpINw-zgIR-oOjP-6voS-iA2n-zFRB-G76sSQ
> >         state = OK
> >         version = 3
> >         role = Regular
> >         type = ISCSI
> >         class = Data
> >         pool = ['f422de63-8869-41ef-a782-8b0c9ee03c41']
> >         name = VOL-UNC-PROD-01
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainInfo
> > 0fec0486-7863-49bc-a4ab-d2c7ac48258a
> >         uuid = 0fec0486-7863-49bc-a4ab-d2c7ac48258a
> >         vguuid = ta2ZFC-UwtO-xANp-ZK19-rWVo-1kBJ-ZrsQrN
> >         state = OK
> >         version = 3
> >         role = Regular
> >         type = ISCSI
> >         class = Data
> >         pool = ['c58a44b1-1c98-450e-97e1-3347eeb28f86']
> >         name = VOL-UNC-TEST
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainInfo
> > d7b9d7cc-f7d6-43c7-ae13-e720951657c9
> >         uuid = d7b9d7cc-f7d6-43c7-ae13-e720951657c9
> >         vguuid = zyiwLa-STgp-v3r8-KJqj-1AIP-rC2k-4NuXqf
> >         state = OK
> >         version = 3
> >         role = Regular
> >         type = ISCSI
> >         class = Data
> >         pool = ['f422de63-8869-41ef-a782-8b0c9ee03c41']
> >         name = VOL-UNC-PROD-02
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainInfo
> > 1f6dec51-12a6-41ed-9d14-8f0ad4e062d2
> >         uuid = 1f6dec51-12a6-41ed-9d14-8f0ad4e062d2
> >         vguuid = 6itdyW-WLid-fTu6-HAJd-dpSj-HpbH-T4ZSVA
> >         state = OK
> >         version = 3
> >         role = Regular
> >         type = ISCSI
> >         class = Data
> >         pool = ['c58a44b1-1c98-450e-97e1-3347eeb28f86']
> >         name = VOL-UNC-NAS-01
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainInfo
> > f9a0076d-e041-4d8f-a627-223562b84b90
> >         uuid = f9a0076d-e041-4d8f-a627-223562b84b90
> >         version = 0
> >         role = Regular
> >         remotePath = unc-srv-kman:/var/lib/exports/iso
> >         type = NFS
> >         class = Iso
> >         pool = ['c58a44b1-1c98-450e-97e1-3347eeb28f86']
> >         name = ISO_DOMAIN
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getStorageDomainInfo
> > 04d87d6c-092a-4568-bdca-1d6e8f231912
> >         uuid = 04d87d6c-092a-4568-bdca-1d6e8f231912
> >         version = 3
> >         role = Master
> >         remotePath = unc-srv-hyp1.cfu.local:/exports/import_domain
> >         type = NFS
> >         class = Data
> >         pool = ['c58a44b1-1c98-450e-97e1-3347eeb28f86']
> >         name = VOL-NFS
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getVmsList
> > c58a44b1-1c98-450e-97e1-3347eeb28f86
> > 1f6dec51-12a6-41ed-9d14-8f0ad4e062d2
> > No VMs found.
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getVmsList
> > f422de63-8869-41ef-a782-8b0c9ee03c41
> > d7b9d7cc-f7d6-43c7-ae13-e720951657c9
> > Unknown pool id, pool not connected:
> > ('f422de63-8869-41ef-a782-8b0c9ee03c41',)
> >
> > [root at unc-srv-hyp1  ~]$ vdsClient -s 0 getVmsList
> > f422de63-8869-41ef-a782-8b0c9ee03c41
> > 7e40772a-fe94-4fb2-94c4-6198bed04a6a
> > Unknown pool id, pool not connected:
> > ('f422de63-8869-41ef-a782-8b0c9ee03c41',)
> >
> >
> >
> >
> >
> >
> > >
> > > Is there any command to verify if the storage domain contains VMs
> > > or not ?
> >
> > You can execute this on one of your hosts.
> >
> > # vdsClient -s 0 getStorageDomainsList to get storage domain list,
> > than
> >
> > # vdsClient -s 0 getStorageDomainInfo <domain UUID> for each of them
> > till you identify the domain you are looking for.
> > You can also find there the pool UUID.
> >
> > Than
> > # vdsClient -s 0 getVmsList <pool UUID> <domain UUID> To get the
> > list of VMs on that storage.
> >
> > >
> > >
> > > Alain VONDRA
> > > Chargé d'exploitation des Systèmes d'Information Direction
> > > Administrative et Financière
> > > +33 1 44 39 77 76
> > > UNICEF France
> > > 3 rue Duguay Trouin  75006 PARIS
> > > www.unicef.fr
> > >
> > >
> > >
> > >
> >
> >
> > Alain VONDRA
> > Chargé d'exploitation des Systèmes d'Information Direction
> > Administrative et Financière
> > +33 1 44 39 77 76
> > UNICEF France
> > 3 rue Duguay Trouin  75006 PARIS
> > www.unicef.fr
> >
> >
> >
> >
> > > -----Message d'origine-----
> > > De : VONDRA Alain
> > > Envoyé : mardi 17 mars 2015 16:41
> > > À : VONDRA Alain; Simone Tiraboschi Cc : users at ovirt.org Objet :
> > > RE: [ovirt-users] Reinstalling a new oVirt Manager
> > >
> > > Hi everybody,
> > > Is there anyboby who can help me ?
> > > Thanks
> > >
> > >
> > >
> > > Alain VONDRA
> > > Chargé d'exploitation des Systèmes d'Information Direction
> > > Administrative et Financière
> > > +33 1 44 39 77 76
> > > UNICEF France
> > > 3 rue Duguay Trouin  75006 PARIS
> > > www.unicef.fr
> > >
> > >
> > >
> > >
> > > -----Message d'origine-----
> > > De : VONDRA Alain
> > > Envoyé : mardi 17 mars 2015 14:40
> > > À : VONDRA Alain; Simone Tiraboschi Cc : users at ovirt.org Objet :
> > > RE: [ovirt-users] Reinstalling a new oVirt Manager
> > >
> > > To complete my previous post, if this storage domain doesn't
> > > contain VM, but just Disks attached to other VMs from other Storage Domain.
> > > How can I check it before breaking the rest of my data importing
> > > other SD ???
> > > Thanks
> > >
> > >
> > > No I don't see any VM images, that the big problem...
> > >
> > > > Ok, I've done that action, but after I don't any "Import VMs"
> > > > and "Import Templates" tabs....
> > > > What's happening ????
> > > > Alain
> > >
> > > You don't have to explicitly re-import each VM.
> > > You should find your storage domain with all the preexisting VM images.
> > >
> > >
> > >
> > > > Alain VONDRA
> > > > Chargé d'exploitation des Systèmes d'Information Direction
> > > > Administrative et Financière
> > > > +33 1 44 39 77 76
> > > > UNICEF France
> > > > 3 rue Duguay Trouin  75006 PARIS www.unicef.fr
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > Alain VONDRA
> > > Chargé d'exploitation des Systèmes d'Information Direction
> > > Administrative et Financière
> > > +33 1 44 39 77 76
> > > UNICEF France
> > > 3 rue Duguay Trouin  75006 PARIS
> > > www.unicef.fr
> > >
> > >
> > >
> > >
> > >
> > >
> > > Alain VONDRA
> > > Chargé d'exploitation des Systèmes d'Information Direction
> > > Administrative et Financière
> > > +33 1 44 39 77 76
> > > UNICEF France
> > > 3 rue Duguay Trouin  75006 PARIS
> > > www.unicef.fr
> > >
> > >
> > >
> > >
> > > > -----Message d'origine-----
> > > > De : Simone Tiraboschi [mailto:stirabos at redhat.com] Envoyé :
> > > > mardi
> > > > 17 mars 2015 12:04 À : VONDRA Alain Cc : users at ovirt.org Objet : Re:
> > > > [ovirt-users] Reinstalling a new oVirt Manager
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > > > From: "VONDRA Alain" <AVONDRA at unicef.fr>
> > > > > To: "VONDRA Alain" <AVONDRA at unicef.fr>, "Simone Tiraboschi"
> > > > > <stirabos at redhat.com>
> > > > > Cc: users at ovirt.org
> > > > > Sent: Tuesday, March 17, 2015 11:29:23 AM
> > > > > Subject: RE: [ovirt-users] Reinstalling a new oVirt Manager
> > > > >
> > > > > Hi,
> > > > > The plan using import Domain seems to be OK, but when I
> > > > > finalize the importation of a Data/iScsi I have this alert :
> > > > >
> > > > > Storage Domain(s) are already attached to a Data Center.
> > > > > Approving this operation might cause data corruption if both
> > > > > Data Centers are active.
> > > > >
> > > > > How can I detach this domain to a non visible old Data Center ??
> > > > > Can I pass this alert without data lost ?
> > > >
> > > > If the old engine is no more active and the new one is using a
> > > > new database and not an imported one you are safe to proceed.
> > > >
> > > > > Thanks
> > > > > Alain
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Alain VONDRA
> > > > > Chargé d'exploitation des Systèmes d'Information Direction
> > > > > Administrative et Financière
> > > > > +33 1 44 39 77 76
> > > > > UNICEF France
> > > > > 3 rue Duguay Trouin  75006 PARIS www.unicef.fr
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > -----Message d'origine-----
> > > > > De : users-bounces at ovirt.org [mailto:users-bounces at ovirt.org]
> > > > > De la part de VONDRA Alain Envoyé : lundi 16 mars 2015 13:52 À :
> > > > > Simone Tiraboschi Cc : users at ovirt.org Objet : Re:
> > > > > [ovirt-users] Reinstalling a new oVirt Manager
> > > > >
> > > > > I plan to reinstall on a cloned VM from the original one, I
> > > > > have cleaned the previous version, and made an engine-setup.
> > > > > So I have backups from the previous Manager, I can backup to
> > > > > the new one.
> > > > > But, reading the overt-engine-backup, it seems to be possible
> > > > > only before doing engine-setup.
> > > > > Is that right or may I launch a backup after an engine-setup ?
> > > > > An engine-clean is enough to use engine-backup ?
> > > > >
> > > > > Thanks
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Alain VONDRA
> > > > > Chargé d'exploitation des Systèmes d'Information Direction
> > > > > Administrative et Financière
> > > > > +33 1 44 39 77 76
> > > > > UNICEF France
> > > > > 3 rue Duguay Trouin  75006 PARIS www.unicef.fr
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > -----Message d'origine-----
> > > > > De : Simone Tiraboschi [mailto:stirabos at redhat.com] Envoyé :
> > > > > lundi
> > > > > 16 mars
> > > > > 2015 11:55 À : VONDRA Alain Cc : Roy Golan; users at ovirt.org Objet :
> > > > > Re:
> > > > > [ovirt-users] Reinstalling a new oVirt Manager
> > > > >
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > > From: "VONDRA Alain" <AVONDRA at unicef.fr>
> > > > > > To: "Roy Golan" <rgolan at redhat.com>
> > > > > > Cc: users at ovirt.org
> > > > > > Sent: Monday, March 16, 2015 11:14:10 AM
> > > > > > Subject: [ovirt-users]  Reinstalling a new oVirt Manager
> > > > > >
> > > > > > Hi
> > > > > > I want to reinstall a new clean oVirt Manager, and I have a
> > > > > > question
> > > > > > :
> > > > > > If I install a new manager, do I recover the datacenter and
> > > > > > all the Vms installed in it without any lost of data ?
> > > > > > What is the best practice to do this safely ?
> > > > > > Thank you for your help
> > > > > > Alain
> > > > >
> > > > > Are you planning to install on a new host/VM?
> > > > >
> > > > > You have basically two alternatives:
> > > > > A. backup the DB and restore it on the new engine as described here:
> > > > > http://www.ovirt.org/Ovirt-engine-backup
> > > > >
> > > > > B. Start from scratch with a new engine on a new DB and
> > > > > re-import existing storage domains:
> > > > > http://www.ovirt.org/Features/ImportStorageDomain
> > > > >
> > > > > Option B involves a lot of manual steps but it could be also
> > > > > used as a disaster recovery flow when the DB is for any
> > > > > reasons lost or corrupted.
> > > > >
> > > > >
> > > > >
> > > > > > Alain VONDRA
> > > > > > Chargé d'exploitation des Systèmes d'Information Direction
> > > > > > Administrative et Financière
> > > > > > +33 1 44 39 77 76
> > > > > > UNICEF France
> > > > > > 3 rue Duguay Trouin  75006 PARIS www.unicef.fr
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > _______________________________________________
> > > > > > Users mailing list
> > > > > > Users at ovirt.org
> > > > > > http://lists.ovirt.org/mailman/listinfo/users
> > > > > >
> > > > > _______________________________________________
> > > > > Users mailing list
> > > > > Users at ovirt.org
> > > > > http://lists.ovirt.org/mailman/listinfo/users
> > > > >
> > > >
> > > _______________________________________________
> > > Users mailing list
> > > Users at ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/users
> > >
> > >
> > >
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
_______________________________________________
Users mailing list
Users at ovirt.org
http://lists.ovirt.org/mailman/listinfo/users

More information about the Users mailing list