I would say "ooops". I'm afraid that if you have no backup, you can not restore your data.
For the future, you can add the excellent jetty plugin from Sonian : https://github.com/sonian/elasticsearch-jetty
And protect this commands with admin credentials.
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David 
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
Le 22 août 2012 à 20:21, Sumit Guptaa sumit.gupta.ngi@gmail.com a écrit :
Hi All,
Unfortunately  I have delete my index using Head. Can Anybody tell me how we
back up my Index.
Thanx
Regards,
Sumit Gupta
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