Backing Up ES

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5 
Ok, but do one still need to temporarily disable flush as the script
does, on each node,  prior to backup? Or is the setting "global" for
the cluster?

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Kristian Jörg

Devo IT AB
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Shay Banon skrev 2012-03-20 11:41:
<blockquote cite="mid:CALzs+uxjRFMN4LwPWkTxDhyF1KtGVnNuWQdP_EGmOTfurs3aSw@mail.gmail.com" type="cite">Yes, you will always be able to upgrade to a newer
    version without needing to reindex. A multi node cluster backup
    simplest option is to backup each node data location.

On Mon, Mar 19, 2012 at 11:13 AM,
Kristian Jörg <krjg@devo.se>
wrote:

Regarding backup. Since I am using ES sort of as a noSQL database it will not be possible to reindex from scratch after updates has been done to the documents. 
        Is it guaranteed that it will always be possible to import
        an index to a newer version of ES without need of reindexing
        it?




        Second question. How do you backup shards that are not on
        the local node? I am not there yet, but I might be in
        future...




        /Kristian




        Shay Banon skrev 2012-03-14 13:05:
Yes, assuming you have 1 replica, and 2 machines, you only need to copy one machine over. And the restore process you mentioned is good. 
              On Tuesday, March 13, 2012 at 5:24 AM, Eugene Strokin
              wrote:
Hello, I'm planning to use very nice script by Karussell

https://gist.github.com/1074906

                for backing up my ES.


                But I have a cluster of currently 2 machines running
                the ES.


                I want to make sure, that this is enough to copy the
                files just from one machine, because after flush
                they are the same on both server boxes.


                And to restore, I just need to restore files on one
                machine, run ES, and on another I'd just run empty
                ES server with my custom mappings, and the second
                machine would pick the data up from the first.


                Am I correct, or my assumption is mistaken?




                Thank you,


                Eugene S.

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            Devo IT AB


            Tel: 054 - 22 14 58, 0709 - 15 83 42


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