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https://issues.apache.org/jira/browse/HBASE-548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12582723#action_12582723
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stack commented on HBASE-548:
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Yeah... I should put it there. That'd be best place for it. A method named
onlineRegion (We have a static offlineRegion in HRegion currently. Should put
the two methods together - they share code).
Another thought I've had is that when we move to jirb or jython or whatever,
that we'd be able to import a repair package/module. Admins would import the
repair package when they need to go hacking. The repair package would export
functions such as the above. The functions would fall through to methods in
MetaUtils or we'd just hack up fixes like the above in script.
> Tool to online single region
> ----------------------------
>
> Key: HBASE-548
> URL: https://issues.apache.org/jira/browse/HBASE-548
> Project: Hadoop HBase
> Issue Type: New Feature
> Reporter: stack
> Priority: Minor
>
> A sequence of events put a region offline in the middle of an online table.
> I was unable to get the region backon by running 'enable table'. Here is a
> little bit of code that I ran to bring the region back online and get the
> table running again. This issue is about adding it to hbase tools (A new
> package named 'tools'?).
> {code}
> public static void main(String[] args) throws IOException {
> HBaseConfiguration c = new HBaseConfiguration();
> c.set("hbase.master", args[0]);
> HTable t = new HTable(c, new Text(".META."));
> Text row = new Text(args[1]);
> byte [] cell = t.get(row, new Text("info:regioninfo"));
> HRegionInfo info = Writables.getHRegionInfo(cell);
> LOG.info(info);
> long id = t.startUpdate(row);
> info.setOffline(false);
> t.put(id, COL_REGIONINFO, Writables.getBytes(info));
> t.delete(id, COL_SERVER);
> t.delete(id, COL_STARTCODE);
> t.commit(id);
> }
> {code}
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