You restore by putting the backup file in
$KARAF_HOME/clustered-datastore-restore (create it), delete journal and
snapshots directories and start karaf.
On Thu, Jan 12, 2017 at 5:20 AM, David Suarez Fuentes <
david.suarez.fuen...@ericsson.com> wrote:
> Hi,
>
>
> Thanks Lori to point out to this API method. By looking at the methods
> offered by the cluster-admin module, what I cannot see is the "restore"
> method. Can someone tell us where we can find this?
>
>
> Thanks in advance,
>
> David.
> ------------------------------
> *De:* controller-dev-boun...@lists.opendaylight.org <
> controller-dev-boun...@lists.opendaylight.org> en nombre de Lori Jakab <
> lorand.jakab+...@gmail.com>
> *Enviado:* miércoles, 11 de enero de 2017 21:31:44
> *Para:* Miguel Angel Muñoz Gonzalez
> *Cc:* disc...@lists.opendaylight.org; controller-dev@lists.
> opendaylight.org
> *Asunto:* Re: [controller-dev] Backup and Restore
>
> On Wed, Jan 11, 2017 at 8:39 PM, Miguel Angel Muñoz Gonzalez <
> miguel.angel.munoz.gonza...@ericsson.com> wrote:
>
>> Hi everyone,
>>
>> We are trying to implement a backup/restore mechanism for ODL. I have not
>> found much information about it in pipermail history except some questions
>> and brief proposals (such as generating an snapshot and storing in a
>> particular file, using an external database,…). I would appreciate if
>> someone familiar with the topic could give us some hints on it:
>>
>>
>>
>> - Is it possible to backup MDSAL Configuration datastore as of
>> today? (I suppose it’s a matter of backing up leveldb files)
>>
>>
>>
>> - If so, how can we guarantee that the backup is correct and/or
>> consistent while it is running traffic and datastore is being modified?
>>
>>
>>
>> - Supposedly there is a working mechanism consisting on:
>> stopping ODL, copying the files manually and start it up… However, it would
>> nice to know if there a more sophisticated mechanism to backup the
>> datastore, especially if it does not imply stopping ODL. E.g. a particular
>> API or tool that can be called to perform this activity?
>>
>
> I hope more knowledgeable people will give you a detailed answer, but
> there is one RPC that allows creating a backup of ODL while it is running:
>
> POST /restconf/operations/cluster-admin:backup-datastore
>
> Where the message body looks like this:
>
> {
> "input": {
> "file-path": "/tmp/datastore_backup"
> }
> }
>
> Since the datastore is transaction based, I assume this will save data up
> to the last successful transaction, but don't quote me on that.
>
> One of the main issues with backup/restore, AFAIK is the possibility that
> a schema (YANG model) may change between the backup and restore, and how to
> handle that.
>
> -Lori
>
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>
>
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