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From "Li Chongxin" <lichong...@zju.edu.cn>
Subject Re: Review Request: HBASE-50: Snapshot of table
Date Fri, 20 Aug 2010 01:38:07 GMT
>From: Ted Yu <yuzhihong@gmail.com>
>Reply-To: dev@hbase.apache.org
>To: dev@hbase.apache.org
>Subject: Re: Review Request: HBASE-50: Snapshot of table
>Date: Thu, 19 Aug 2010 09:20:59 -0700
>
>Chongxin:
>2. Write a script (add_snapshot_family.rb) to add snapshot family for META
>and remove method HMaster.addSnapshotFamily. The script is not tested yet
>(how?)
>
>Can user use this script on previous HBase release, then upgrade to new
>release which has snapshot feature ?
>
> 

I'm afraid no. This script is used to add snapshot family to META for 
the case where the table data is migrated from an older hbase version. 
But user has to manually upgrade to a release with snapshot feature to use snapshot.
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