[Users] Export Domain & Upgrade

[Itamar Heim]

On 09/29/2013 12:15 PM, Omer Frenkel wrote:
>
>
> ------------------------------------------------------------------------
>
>     *From: *"Nicholas Kesick" <cybertimber2000 at hotmail.com>
>     *To: *"oVirt Mailing List" <users at ovirt.org>
>     *Sent: *Wednesday, September 25, 2013 8:43:47 PM
>     *Subject: *[Users] Export Domain & Upgrade
>
>     This is the first time I've run through an 'upgrade', so I'm very
>     new to export domains, and I'm having some trouble getting one
>     connected to 3.3. I had hoped to add this to the wiki, but it hasn't
>     been as straightforward as I thought.
>
>     On my oVirt 3.2 install, I created a NFS export
>     (/var/lib/exports/DAONE) and exported my VMs to it. I created a
>     tarball of everything in DAONE, and then formatted the system and
>     installed Fedora 19, and then oVirt 3.3. Created the NFS resource
>     (/var/lib/exports/DAONE), extracted the tarball, and followed these
>     directions
>     <http://www.ovirt.org/How_to_clear_the_storage_domain_pool_config_of_an_exported_nfs_domain>
>     to clear the storage domain. However when I try to add it, the
>     webadmin reports the following error:
>
>     "Error while executing action New NFS Storage Domain: Error in
>     creating a Storage Domain. The selected storage path is not empty
>     (probably contains another Storage Domain). Either remove the
>     existing Storage Domain from this path, or change the Storage path)."
>
>     Any suggestions? I wonder if anything changed for 3.3 that need to
>     be in the instructions?
>
> looks like you should have done 'import existing export domain' to this
> path instead of trying create a new one.

indeed.
also note you could have just upgraded rather than export/import all the 
vms:
Bug 1009335 - TestOnly - upgrade path from Fedora 18 with oVirt 3.2 to 
Fedora 19 with oVirt 3.3

>
>     I also tried making another export domain (/var/lib/exports/export)
>     and dumping everything into the UUID under that, but no VMs showed
>     up to import.
>
>     #showmount -e f19-ovirt.mkesick.net
>     Export list for f19-ovirt.mkesick.net:
>     /var/lib/exports/storage 0.0.0.0/0.0.0.0
>     /var/lib/exports/iso     0.0.0.0/0.0.0.0
>     /var/lib/exports/export  0.0.0.0/0.0.0.0
>     /var/lib/exports/DAONE   0.0.0.0/0.0.0.0
>
>     [root at f19-ovirt dom_md]# cat metadata
>     CLASS=Backup
>     DESCRIPTION=DaOne
>     IOOPTIMEOUTSEC=1
>     LEASERETRIES=3
>     LEASETIMESEC=5
>     LOCKPOLICY=
>     LOCKRENEWALINTERVALSEC=5
>     MASTER_VERSION=0
>     POOL_UUID=
>     REMOTE_PATH=localhost:/var/lib/exports/DAONE
>     ROLE=Regular
>     SDUUID=8e4f6fbd-b635-4f47-b113-ba146ee1c0cf
>     TYPE=NFS
>     VERSION=0
>
>
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