you should have more info on why dfs is in the safe mode in the logs, you can always leave safe mode
hadoop dfs -safemode leave but again, thats a symptom, not a problem. Vishal On Thu, Mar 17, 2011 at 1:55 PM, Taylor, Ronald C <[email protected]>wrote: > Folks, > > We had a power outage here, and we are trying to bring our Hadoop/HBase > cluster back up. Hadoop has been just fine - came up smoothly. HBase has > not. Our HBase master log file is filled with just one msg: > > 2011-03-17 10:50:08,712 INFO org.apache.hadoop.hbase.util.FSUtils: Waiting > for dfs to exit safe mode... > 2011-03-17 10:50:18,714 INFO org.apache.hadoop.hbase.util.FSUtils: Waiting > for dfs to exit safe mode... > > After the power outage, before we tried bringing things back up, we took > several nodes off-line, as their hard drives were failing and needed > replacing. Don't know if the loss of those nodes has anything to do with the > error msg that we are seeing. > > Could anybody give us some advice as to where to look for the cause of the > HBase failure? We would very much appreciate guidance. > > Ron > > Ronald Taylor, Ph.D. > Computatational Biology & Bioinformatics Group > Pacific Northwest National Laboratory (U.S. Dept of Energy/Battelle) > Richland, WA 99352 > phone: (509) 372-6568 > email: [email protected] > > >
