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I set up a hbase cluster to store data from opentsdb. Recently due to reboot of some of the nodes, hbase lost the table "tsdb". I can still it on hbase's master node page, but when I click on it, it gives me a tableNotFoundException org.apache.hadoop.hbase.TableNotFoundException: tsdb at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:952) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:818) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:782) at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:249) at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:213) at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:171) ...... I entered hbase shell, trying to locate 'tsdb' table, but got the similar message hbase(main):018:0> scan 'tsdb' ROW COLUMN+CELL ERROR: Unknown table tsdb! However when I tried to re-create this table, hbase shell told me the table already exist... hbase(main):013:0> create 'tsdb', {NAME => 't', VERSIONS => 1, BLOOMFILTER=>'ROW'} ERROR: Table already exists: tsdb! And I can also list the table in hbase shell hbase(main):001:0> list TABLE tsdb tsdb-uid 2 row(s) in 0.6730 seconds Taking a look at the log, I found this which should be the cause of my issue 2012-05-14 12:06:22,140 WARN org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: Encountered problems when prefetch META table: org.apache.hadoop.hbase.TableNotFoundException: Cannot find row in .META. for table: tsdb, row=tsdb,,99999999999999 at org.apache.hadoop.hbase.client.Met

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