diff --git a/hadoop/build/test/data/dfs/data/data1/current/VERSION b/hadoop/build/test/data/dfs/data/data1/current/VERSION
new file mode 100755
index 0000000..e089f52
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/VERSION
@@ -0,0 +1,6 @@
+#Mon Jan 28 16:24:49 PST 2013
+namespaceID=1113662599
+storageID=DS-51694310-169.234.14.178-49301-1359419089185
+cTime=0
+storageType=DATA_NODE
+layoutVersion=-18
diff --git a/hadoop/build/test/data/dfs/data/data1/current/blk_-1799015858217215231 b/hadoop/build/test/data/dfs/data/data1/current/blk_-1799015858217215231
new file mode 100755
index 0000000..bd04159
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/blk_-1799015858217215231
@@ -0,0 +1,7 @@
+1	33	1
+3	1	1
+4	153	1
+12	18	1
+16	18	1
+19	16	1
+49	17	1
diff --git a/hadoop/build/test/data/dfs/data/data1/current/blk_-1799015858217215231_1005.meta b/hadoop/build/test/data/dfs/data/data1/current/blk_-1799015858217215231_1005.meta
new file mode 100755
index 0000000..3db5645
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/blk_-1799015858217215231_1005.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data1/current/blk_-6101674499548096236 b/hadoop/build/test/data/dfs/data/data1/current/blk_-6101674499548096236
new file mode 100755
index 0000000..593f470
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/blk_-6101674499548096236
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data1/current/blk_-6101674499548096236_1001.meta b/hadoop/build/test/data/dfs/data/data1/current/blk_-6101674499548096236_1001.meta
new file mode 100755
index 0000000..a6d5932
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/blk_-6101674499548096236_1001.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data1/current/blk_5252270394021184001 b/hadoop/build/test/data/dfs/data/data1/current/blk_5252270394021184001
new file mode 100755
index 0000000..7f3e555
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/blk_5252270394021184001
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data1/current/blk_5252270394021184001_1003.meta b/hadoop/build/test/data/dfs/data/data1/current/blk_5252270394021184001_1003.meta
new file mode 100755
index 0000000..408e149
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/blk_5252270394021184001_1003.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data1/current/dncp_block_verification.log.curr b/hadoop/build/test/data/dfs/data/data1/current/dncp_block_verification.log.curr
new file mode 100755
index 0000000..148a02e
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/current/dncp_block_verification.log.curr
@@ -0,0 +1,2 @@
+
+date="2013-01-28 16:24:51,611"	 time="1359419091611"	 genstamp="1004"	 id="7390568412602717794"
\ No newline at end of file
diff --git a/hadoop/build/test/data/dfs/data/data1/storage b/hadoop/build/test/data/dfs/data/data1/storage
new file mode 100755
index 0000000..60e7000
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data1/storage
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diff --git a/hadoop/build/test/data/dfs/data/data2/current/VERSION b/hadoop/build/test/data/dfs/data/data2/current/VERSION
new file mode 100755
index 0000000..e089f52
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data2/current/VERSION
@@ -0,0 +1,6 @@
+#Mon Jan 28 16:24:49 PST 2013
+namespaceID=1113662599
+storageID=DS-51694310-169.234.14.178-49301-1359419089185
+cTime=0
+storageType=DATA_NODE
+layoutVersion=-18
diff --git a/hadoop/build/test/data/dfs/data/data2/current/blk_-7373744087367611078 b/hadoop/build/test/data/dfs/data/data2/current/blk_-7373744087367611078
new file mode 100755
index 0000000..c7fb713
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data2/current/blk_-7373744087367611078
@@ -0,0 +1,4 @@
+@625E1AAXX100810:1:100:10000:10271/1
+AATAGAAGAT
++
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\ No newline at end of file
diff --git a/hadoop/build/test/data/dfs/data/data2/current/blk_-7373744087367611078_1002.meta b/hadoop/build/test/data/dfs/data/data2/current/blk_-7373744087367611078_1002.meta
new file mode 100755
index 0000000..58ae5ca
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data2/current/blk_-7373744087367611078_1002.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data2/current/blk_7390568412602717794 b/hadoop/build/test/data/dfs/data/data2/current/blk_7390568412602717794
new file mode 100755
index 0000000..03bbf67
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data2/current/blk_7390568412602717794
@@ -0,0 +1,195 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><configuration>
+<property><name>fs.s3n.impl</name><value>org.apache.hadoop.fs.s3native.NativeS3FileSystem</value></property>
+<property><name>mapred.task.cache.levels</name><value>2</value></property>
+<property><name>hadoop.tmp.dir</name><value>/tmp/hadoop-${user.name}</value></property>
+<property><name>hadoop.native.lib</name><value>true</value></property>
+<property><name>map.sort.class</name><value>org.apache.hadoop.util.QuickSort</value></property>
+<property><name>dfs.namenode.decommission.nodes.per.interval</name><value>5</value></property>
+<property><name>dfs.https.need.client.auth</name><value>false</value></property>
+<property><name>ipc.client.idlethreshold</name><value>4000</value></property>
+<property><name>mapred.system.dir</name><value>${hadoop.tmp.dir}/mapred/system</value></property>
+<property><name>mapred.job.tracker.persist.jobstatus.hours</name><value>0</value></property>
+<property><name>dfs.namenode.logging.level</name><value>info</value></property>
+<property><name>dfs.datanode.address</name><value>127.0.0.1:0</value></property>
+<property><name>io.skip.checksum.errors</name><value>false</value></property>
+<property><name>fs.default.name</name><value>hdfs://localhost:49297</value></property>
+<property><name>mapred.child.tmp</name><value>./tmp</value></property>
+<property><name>fs.har.impl.disable.cache</name><value>true</value></property>
+<property><name>dfs.safemode.threshold.pct</name><value>0.999f</value></property>
+<property><name>mapred.skip.reduce.max.skip.groups</name><value>0</value></property>
+<property><name>dfs.namenode.handler.count</name><value>10</value></property>
+<property><name>dfs.blockreport.initialDelay</name><value>0</value></property>
+<property><name>mapred.jobtracker.instrumentation</name><value>org.apache.hadoop.mapred.JobTrackerMetricsInst</value></property>
+<property><name>mapred.tasktracker.dns.nameserver</name><value>default</value></property>
+<property><name>io.sort.factor</name><value>10</value></property>
+<property><name>mapred.task.timeout</name><value>600000</value></property>
+<property><name>mapred.max.tracker.failures</name><value>4</value></property>
+<property><name>hadoop.rpc.socket.factory.class.default</name><value>org.apache.hadoop.net.StandardSocketFactory</value></property>
+<property><name>mapred.mapoutput.key.class</name><value>org.apache.hadoop.io.LongWritable</value></property>
+<property><name>fs.hdfs.impl</name><value>org.apache.hadoop.hdfs.DistributedFileSystem</value></property>
+<property><name>mapred.queue.default.acl-administer-jobs</name><value>*</value></property>
+<property><name>mapred.queue.default.acl-submit-job</name><value>*</value></property>
+<property><name>mapred.output.key.class</name><value>org.apache.hadoop.io.LongWritable</value></property>
+<property><name>mapred.skip.map.auto.incr.proc.count</name><value>true</value></property>
+<property><name>io.mapfile.bloom.size</name><value>1048576</value></property>
+<property><name>dfs.safemode.extension</name><value>0</value></property>
+<property><name>tasktracker.http.threads</name><value>40</value></property>
+<property><name>mapred.job.shuffle.merge.percent</name><value>0.66</value></property>
+<property><name>fs.ftp.impl</name><value>org.apache.hadoop.fs.ftp.FTPFileSystem</value></property>
+<property><name>user.name</name><value>hadoop</value></property>
+<property><name>mapred.output.compress</name><value>false</value></property>
+<property><name>io.bytes.per.checksum</name><value>512</value></property>
+<property><name>topology.node.switch.mapping.impl</name><value>org.apache.hadoop.net.StaticMapping</value></property>
+<property><name>dfs.https.server.keystore.resource</name><value>ssl-server.xml</value></property>
+<property><name>mapred.reduce.slowstart.completed.maps</name><value>0.05</value></property>
+<property><name>mapred.reduce.max.attempts</name><value>4</value></property>
+<property><name>fs.ramfs.impl</name><value>org.apache.hadoop.fs.InMemoryFileSystem</value></property>
+<property><name>dfs.name.edits.dir</name><value>${dfs.name.dir}</value></property>
+<property><name>mapred.skip.map.max.skip.records</name><value>0</value></property>
+<property><name>hadoop.job.ugi</name><value>hadoop,staff,everyone,localaccounts</value></property>
+<property><name>mapred.job.tracker.persist.jobstatus.dir</name><value>/jobtracker/jobsInfo</value></property>
+<property><name>dfs.block.size</name><value>67108864</value></property>
+<property><name>fs.s3.buffer.dir</name><value>${hadoop.tmp.dir}/s3</value></property>
+<property><name>job.end.retry.attempts</name><value>0</value></property>
+<property><name>fs.file.impl</name><value>org.apache.hadoop.fs.LocalFileSystem</value></property>
+<property><name>mapred.local.dir.minspacestart</name><value>0</value></property>
+<property><name>mapred.output.compression.type</name><value>RECORD</value></property>
+<property><name>dfs.datanode.ipc.address</name><value>127.0.0.1:0</value></property>
+<property><name>dfs.permissions</name><value>true</value></property>
+<property><name>topology.script.number.args</name><value>100</value></property>
+<property><name>io.mapfile.bloom.error.rate</name><value>0.005</value></property>
+<property><name>mapred.max.tracker.blacklists</name><value>4</value></property>
+<property><name>mapred.task.profile.maps</name><value>0-2</value></property>
+<property><name>dfs.datanode.https.address</name><value>0.0.0.0:50475</value></property>
+<property><name>mapred.userlog.retain.hours</name><value>24</value></property>
+<property><name>dfs.secondary.http.address</name><value>0.0.0.0:50090</value></property>
+<property><name>dfs.replication.max</name><value>512</value></property>
+<property><name>mapred.job.tracker.persist.jobstatus.active</name><value>false</value></property>
+<property><name>hadoop.security.authorization</name><value>false</value></property>
+<property><name>local.cache.size</name><value>10737418240</value></property>
+<property><name>mapred.min.split.size</name><value>0</value></property>
+<property><name>mapred.map.tasks</name><value>2</value></property>
+<property><name>mapred.child.java.opts</name><value>-Xmx200m</value></property>
+<property><name>mapred.output.value.class</name><value>edu.uci.ics.graphbuilding.ValueWritable</value></property>
+<property><name>dfs.https.client.keystore.resource</name><value>ssl-client.xml</value></property>
+<property><name>dfs.namenode.startup</name><value>REGULAR</value></property>
+<property><name>mapred.job.queue.name</name><value>default</value></property>
+<property><name>dfs.https.address</name><value>0.0.0.0:50470</value></property>
+<property><name>dfs.balance.bandwidthPerSec</name><value>1048576</value></property>
+<property><name>ipc.server.listen.queue.size</name><value>128</value></property>
+<property><name>group.name</name><value>staff</value></property>
+<property><name>mapred.inmem.merge.threshold</name><value>1000</value></property>
+<property><name>job.end.retry.interval</name><value>30000</value></property>
+<property><name>mapred.skip.attempts.to.start.skipping</name><value>2</value></property>
+<property><name>fs.checkpoint.dir</name><value>build/test/data/dfs/namesecondary1,build/test/data/dfs/namesecondary2</value></property>
+<property><name>mapred.reduce.tasks</name><value>2</value></property>
+<property><name>mapred.merge.recordsBeforeProgress</name><value>10000</value></property>
+<property><name>mapred.userlog.limit.kb</name><value>0</value></property>
+<property><name>dfs.max.objects</name><value>0</value></property>
+<property><name>webinterface.private.actions</name><value>false</value></property>
+<property><name>io.sort.spill.percent</name><value>0.80</value></property>
+<property><name>mapred.job.shuffle.input.buffer.percent</name><value>0.70</value></property>
+<property><name>mapred.job.split.file</name><value>hdfs://localhost:49297/tmp/hadoop-hadoop/mapred/system/job_local_0001/job.split</value></property>
+<property><name>mapred.job.name</name><value>Genomix Graph Building</value></property>
+<property><name>dfs.datanode.dns.nameserver</name><value>default</value></property>
+<property><name>mapred.map.tasks.speculative.execution</name><value>true</value></property>
+<property><name>hadoop.util.hash.type</name><value>murmur</value></property>
+<property><name>dfs.blockreport.intervalMsec</name><value>3600000</value></property>
+<property><name>mapred.map.max.attempts</name><value>4</value></property>
+<property><name>dfs.client.block.write.retries</name><value>3</value></property>
+<property><name>mapred.job.tracker.handler.count</name><value>10</value></property>
+<property><name>mapred.input.format.class</name><value>org.apache.hadoop.mapred.TextInputFormat</value></property>
+<property><name>mapred.tasktracker.expiry.interval</name><value>600000</value></property>
+<property><name>dfs.https.enable</name><value>false</value></property>
+<property><name>mapred.jobtracker.maxtasks.per.job</name><value>-1</value></property>
+<property><name>mapred.jobtracker.job.history.block.size</name><value>3145728</value></property>
+<property><name>keep.failed.task.files</name><value>false</value></property>
+<property><name>mapred.output.format.class</name><value>org.apache.hadoop.mapred.TextOutputFormat</value></property>
+<property><name>ipc.client.tcpnodelay</name><value>false</value></property>
+<property><name>mapred.task.profile.reduces</name><value>0-2</value></property>
+<property><name>mapred.output.compression.codec</name><value>org.apache.hadoop.io.compress.DefaultCodec</value></property>
+<property><name>io.map.index.skip</name><value>0</value></property>
+<property><name>mapred.working.dir</name><value>hdfs://localhost:49297/user/hadoop</value></property>
+<property><name>ipc.server.tcpnodelay</name><value>false</value></property>
+<property><name>mapred.reducer.class</name><value>edu.uci.ics.graphbuilding.GenomixReducer</value></property>
+<property><name>dfs.default.chunk.view.size</name><value>32768</value></property>
+<property><name>hadoop.logfile.size</name><value>10000000</value></property>
+<property><name>mapred.reduce.tasks.speculative.execution</name><value>true</value></property>
+<property><name>dfs.datanode.du.reserved</name><value>0</value></property>
+<property><name>fs.checkpoint.period</name><value>3600</value></property>
+<property><name>mapred.combiner.class</name><value>edu.uci.ics.graphbuilding.GenomixCombiner</value></property>
+<property><name>dfs.web.ugi</name><value>webuser,webgroup</value></property>
+<property><name>mapred.job.reuse.jvm.num.tasks</name><value>1</value></property>
+<property><name>mapred.jobtracker.completeuserjobs.maximum</name><value>100</value></property>
+<property><name>dfs.df.interval</name><value>60000</value></property>
+<property><name>dfs.data.dir</name><value>${hadoop.tmp.dir}/dfs/data</value></property>
+<property><name>fs.s3.maxRetries</name><value>4</value></property>
+<property><name>dfs.datanode.dns.interface</name><value>default</value></property>
+<property><name>mapred.mapoutput.value.class</name><value>org.apache.hadoop.io.IntWritable</value></property>
+<property><name>dfs.support.append</name><value>false</value></property>
+<property><name>dfs.permissions.supergroup</name><value>supergroup</value></property>
+<property><name>mapred.local.dir</name><value>${hadoop.tmp.dir}/mapred/local</value></property>
+<property><name>fs.hftp.impl</name><value>org.apache.hadoop.hdfs.HftpFileSystem</value></property>
+<property><name>mapred.mapper.class</name><value>edu.uci.ics.graphbuilding.GenomixMapper</value></property>
+<property><name>fs.trash.interval</name><value>0</value></property>
+<property><name>fs.s3.sleepTimeSeconds</name><value>10</value></property>
+<property><name>dfs.replication.min</name><value>1</value></property>
+<property><name>mapred.submit.replication</name><value>10</value></property>
+<property><name>fs.har.impl</name><value>org.apache.hadoop.fs.HarFileSystem</value></property>
+<property><name>mapred.map.output.compression.codec</name><value>org.apache.hadoop.io.compress.DefaultCodec</value></property>
+<property><name>mapred.tasktracker.dns.interface</name><value>default</value></property>
+<property><name>dfs.namenode.decommission.interval</name><value>3</value></property>
+<property><name>dfs.http.address</name><value>localhost:49298</value></property>
+<property><name>dfs.heartbeat.interval</name><value>3</value></property>
+<property><name>mapred.job.tracker</name><value>local</value></property>
+<property><name>io.seqfile.sorter.recordlimit</name><value>1000000</value></property>
+<property><name>dfs.name.dir</name><value>build/test/data/dfs/name1,build/test/data/dfs/name2</value></property>
+<property><name>mapred.line.input.format.linespermap</name><value>1</value></property>
+<property><name>mapred.jobtracker.taskScheduler</name><value>org.apache.hadoop.mapred.JobQueueTaskScheduler</value></property>
+<property><name>mapred.tasktracker.instrumentation</name><value>org.apache.hadoop.mapred.TaskTrackerMetricsInst</value></property>
+<property><name>dfs.datanode.http.address</name><value>127.0.0.1:0</value></property>
+<property><name>mapred.tasktracker.procfsbasedprocesstree.sleeptime-before-sigkill</name><value>5000</value></property>
+<property><name>mapred.local.dir.minspacekill</name><value>0</value></property>
+<property><name>dfs.replication.interval</name><value>3</value></property>
+<property><name>io.sort.record.percent</name><value>0.05</value></property>
+<property><name>fs.kfs.impl</name><value>org.apache.hadoop.fs.kfs.KosmosFileSystem</value></property>
+<property><name>mapred.temp.dir</name><value>${hadoop.tmp.dir}/mapred/temp</value></property>
+<property><name>mapred.tasktracker.reduce.tasks.maximum</name><value>2</value></property>
+<property><name>dfs.replication</name><value>2</value></property>
+<property><name>fs.checkpoint.edits.dir</name><value>${fs.checkpoint.dir}</value></property>
+<property><name>mapred.job.reduce.input.buffer.percent</name><value>0.0</value></property>
+<property><name>mapred.tasktracker.indexcache.mb</name><value>10</value></property>
+<property><name>hadoop.logfile.count</name><value>10</value></property>
+<property><name>mapred.skip.reduce.auto.incr.proc.count</name><value>true</value></property>
+<property><name>io.seqfile.compress.blocksize</name><value>1000000</value></property>
+<property><name>fs.s3.block.size</name><value>67108864</value></property>
+<property><name>mapred.tasktracker.taskmemorymanager.monitoring-interval</name><value>5000</value></property>
+<property><name>mapred.acls.enabled</name><value>false</value></property>
+<property><name>mapred.queue.names</name><value>default</value></property>
+<property><name>dfs.access.time.precision</name><value>3600000</value></property>
+<property><name>fs.hsftp.impl</name><value>org.apache.hadoop.hdfs.HsftpFileSystem</value></property>
+<property><name>mapred.task.tracker.http.address</name><value>0.0.0.0:50060</value></property>
+<property><name>mapred.reduce.parallel.copies</name><value>5</value></property>
+<property><name>io.seqfile.lazydecompress</name><value>true</value></property>
+<property><name>mapred.output.dir</name><value>hdfs://localhost:49297/result2</value></property>
+<property><name>io.sort.mb</name><value>100</value></property>
+<property><name>ipc.client.connection.maxidletime</name><value>10000</value></property>
+<property><name>mapred.compress.map.output</name><value>false</value></property>
+<property><name>mapred.task.tracker.report.address</name><value>127.0.0.1:0</value></property>
+<property><name>ipc.client.kill.max</name><value>10</value></property>
+<property><name>ipc.client.connect.max.retries</name><value>10</value></property>
+<property><name>fs.s3.impl</name><value>org.apache.hadoop.fs.s3.S3FileSystem</value></property>
+<property><name>mapred.input.dir</name><value>hdfs://localhost:49297/webmap</value></property>
+<property><name>mapred.job.tracker.http.address</name><value>0.0.0.0:50030</value></property>
+<property><name>io.file.buffer.size</name><value>4096</value></property>
+<property><name>mapred.jobtracker.restart.recover</name><value>false</value></property>
+<property><name>io.serializations</name><value>org.apache.hadoop.io.serializer.WritableSerialization</value></property>
+<property><name>dfs.datanode.handler.count</name><value>3</value></property>
+<property><name>mapred.reduce.copy.backoff</name><value>300</value></property>
+<property><name>mapred.task.profile</name><value>false</value></property>
+<property><name>dfs.replication.considerLoad</name><value>true</value></property>
+<property><name>jobclient.output.filter</name><value>FAILED</value></property>
+<property><name>mapred.tasktracker.map.tasks.maximum</name><value>2</value></property>
+<property><name>io.compression.codecs</name><value>org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec</value></property>
+<property><name>fs.checkpoint.size</name><value>67108864</value></property>
+</configuration>
\ No newline at end of file
diff --git a/hadoop/build/test/data/dfs/data/data2/current/blk_7390568412602717794_1004.meta b/hadoop/build/test/data/dfs/data/data2/current/blk_7390568412602717794_1004.meta
new file mode 100755
index 0000000..b7bad35
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data2/current/blk_7390568412602717794_1004.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data2/storage b/hadoop/build/test/data/dfs/data/data2/storage
new file mode 100755
index 0000000..60e7000
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data2/storage
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data3/current/VERSION b/hadoop/build/test/data/dfs/data/data3/current/VERSION
new file mode 100755
index 0000000..4055c1f
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/VERSION
@@ -0,0 +1,6 @@
+#Mon Jan 28 16:24:49 PST 2013
+namespaceID=1113662599
+storageID=DS-1199309190-169.234.14.178-49304-1359419089463
+cTime=0
+storageType=DATA_NODE
+layoutVersion=-18
diff --git a/hadoop/build/test/data/dfs/data/data3/current/blk_-1799015858217215231 b/hadoop/build/test/data/dfs/data/data3/current/blk_-1799015858217215231
new file mode 100755
index 0000000..bd04159
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/blk_-1799015858217215231
@@ -0,0 +1,7 @@
+1	33	1
+3	1	1
+4	153	1
+12	18	1
+16	18	1
+19	16	1
+49	17	1
diff --git a/hadoop/build/test/data/dfs/data/data3/current/blk_-1799015858217215231_1005.meta b/hadoop/build/test/data/dfs/data/data3/current/blk_-1799015858217215231_1005.meta
new file mode 100755
index 0000000..3db5645
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/blk_-1799015858217215231_1005.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data3/current/blk_-6101674499548096236 b/hadoop/build/test/data/dfs/data/data3/current/blk_-6101674499548096236
new file mode 100755
index 0000000..593f470
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/blk_-6101674499548096236
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data3/current/blk_-6101674499548096236_1001.meta b/hadoop/build/test/data/dfs/data/data3/current/blk_-6101674499548096236_1001.meta
new file mode 100755
index 0000000..a6d5932
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/blk_-6101674499548096236_1001.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data3/current/blk_5252270394021184001 b/hadoop/build/test/data/dfs/data/data3/current/blk_5252270394021184001
new file mode 100755
index 0000000..7f3e555
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/blk_5252270394021184001
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data3/current/blk_5252270394021184001_1003.meta b/hadoop/build/test/data/dfs/data/data3/current/blk_5252270394021184001_1003.meta
new file mode 100755
index 0000000..408e149
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/blk_5252270394021184001_1003.meta
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data3/current/dncp_block_verification.log.curr b/hadoop/build/test/data/dfs/data/data3/current/dncp_block_verification.log.curr
new file mode 100755
index 0000000..0f203b9
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/current/dncp_block_verification.log.curr
@@ -0,0 +1,3 @@
+
+date="2013-01-28 16:24:51,797"	 time="1359419091797"	 genstamp="1002"	 id="-7373744087367611078"
+date="2013-01-28 16:24:52,650"	 time="1359419092650"	 genstamp="1005"	 id="-1799015858217215231"
\ No newline at end of file
diff --git a/hadoop/build/test/data/dfs/data/data3/storage b/hadoop/build/test/data/dfs/data/data3/storage
new file mode 100755
index 0000000..60e7000
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data3/storage
Binary files differ
diff --git a/hadoop/build/test/data/dfs/data/data4/current/VERSION b/hadoop/build/test/data/dfs/data/data4/current/VERSION
new file mode 100755
index 0000000..4055c1f
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data4/current/VERSION
@@ -0,0 +1,6 @@
+#Mon Jan 28 16:24:49 PST 2013
+namespaceID=1113662599
+storageID=DS-1199309190-169.234.14.178-49304-1359419089463
+cTime=0
+storageType=DATA_NODE
+layoutVersion=-18
diff --git a/hadoop/build/test/data/dfs/data/data4/current/blk_-7373744087367611078 b/hadoop/build/test/data/dfs/data/data4/current/blk_-7373744087367611078
new file mode 100755
index 0000000..c7fb713
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data4/current/blk_-7373744087367611078
@@ -0,0 +1,4 @@
+@625E1AAXX100810:1:100:10000:10271/1
+AATAGAAGAT
++
+EDBDB?BEEEDGGEGGGDGGGA>DG@GGD;GD@DG@F?<B<BFFD?
\ No newline at end of file
diff --git a/hadoop/build/test/data/dfs/data/data4/current/blk_-7373744087367611078_1002.meta b/hadoop/build/test/data/dfs/data/data4/current/blk_-7373744087367611078_1002.meta
new file mode 100755
index 0000000..58ae5ca
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data4/current/blk_-7373744087367611078_1002.meta
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diff --git a/hadoop/build/test/data/dfs/data/data4/current/blk_7390568412602717794 b/hadoop/build/test/data/dfs/data/data4/current/blk_7390568412602717794
new file mode 100755
index 0000000..03bbf67
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data4/current/blk_7390568412602717794
@@ -0,0 +1,195 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><configuration>
+<property><name>fs.s3n.impl</name><value>org.apache.hadoop.fs.s3native.NativeS3FileSystem</value></property>
+<property><name>mapred.task.cache.levels</name><value>2</value></property>
+<property><name>hadoop.tmp.dir</name><value>/tmp/hadoop-${user.name}</value></property>
+<property><name>hadoop.native.lib</name><value>true</value></property>
+<property><name>map.sort.class</name><value>org.apache.hadoop.util.QuickSort</value></property>
+<property><name>dfs.namenode.decommission.nodes.per.interval</name><value>5</value></property>
+<property><name>dfs.https.need.client.auth</name><value>false</value></property>
+<property><name>ipc.client.idlethreshold</name><value>4000</value></property>
+<property><name>mapred.system.dir</name><value>${hadoop.tmp.dir}/mapred/system</value></property>
+<property><name>mapred.job.tracker.persist.jobstatus.hours</name><value>0</value></property>
+<property><name>dfs.namenode.logging.level</name><value>info</value></property>
+<property><name>dfs.datanode.address</name><value>127.0.0.1:0</value></property>
+<property><name>io.skip.checksum.errors</name><value>false</value></property>
+<property><name>fs.default.name</name><value>hdfs://localhost:49297</value></property>
+<property><name>mapred.child.tmp</name><value>./tmp</value></property>
+<property><name>fs.har.impl.disable.cache</name><value>true</value></property>
+<property><name>dfs.safemode.threshold.pct</name><value>0.999f</value></property>
+<property><name>mapred.skip.reduce.max.skip.groups</name><value>0</value></property>
+<property><name>dfs.namenode.handler.count</name><value>10</value></property>
+<property><name>dfs.blockreport.initialDelay</name><value>0</value></property>
+<property><name>mapred.jobtracker.instrumentation</name><value>org.apache.hadoop.mapred.JobTrackerMetricsInst</value></property>
+<property><name>mapred.tasktracker.dns.nameserver</name><value>default</value></property>
+<property><name>io.sort.factor</name><value>10</value></property>
+<property><name>mapred.task.timeout</name><value>600000</value></property>
+<property><name>mapred.max.tracker.failures</name><value>4</value></property>
+<property><name>hadoop.rpc.socket.factory.class.default</name><value>org.apache.hadoop.net.StandardSocketFactory</value></property>
+<property><name>mapred.mapoutput.key.class</name><value>org.apache.hadoop.io.LongWritable</value></property>
+<property><name>fs.hdfs.impl</name><value>org.apache.hadoop.hdfs.DistributedFileSystem</value></property>
+<property><name>mapred.queue.default.acl-administer-jobs</name><value>*</value></property>
+<property><name>mapred.queue.default.acl-submit-job</name><value>*</value></property>
+<property><name>mapred.output.key.class</name><value>org.apache.hadoop.io.LongWritable</value></property>
+<property><name>mapred.skip.map.auto.incr.proc.count</name><value>true</value></property>
+<property><name>io.mapfile.bloom.size</name><value>1048576</value></property>
+<property><name>dfs.safemode.extension</name><value>0</value></property>
+<property><name>tasktracker.http.threads</name><value>40</value></property>
+<property><name>mapred.job.shuffle.merge.percent</name><value>0.66</value></property>
+<property><name>fs.ftp.impl</name><value>org.apache.hadoop.fs.ftp.FTPFileSystem</value></property>
+<property><name>user.name</name><value>hadoop</value></property>
+<property><name>mapred.output.compress</name><value>false</value></property>
+<property><name>io.bytes.per.checksum</name><value>512</value></property>
+<property><name>topology.node.switch.mapping.impl</name><value>org.apache.hadoop.net.StaticMapping</value></property>
+<property><name>dfs.https.server.keystore.resource</name><value>ssl-server.xml</value></property>
+<property><name>mapred.reduce.slowstart.completed.maps</name><value>0.05</value></property>
+<property><name>mapred.reduce.max.attempts</name><value>4</value></property>
+<property><name>fs.ramfs.impl</name><value>org.apache.hadoop.fs.InMemoryFileSystem</value></property>
+<property><name>dfs.name.edits.dir</name><value>${dfs.name.dir}</value></property>
+<property><name>mapred.skip.map.max.skip.records</name><value>0</value></property>
+<property><name>hadoop.job.ugi</name><value>hadoop,staff,everyone,localaccounts</value></property>
+<property><name>mapred.job.tracker.persist.jobstatus.dir</name><value>/jobtracker/jobsInfo</value></property>
+<property><name>dfs.block.size</name><value>67108864</value></property>
+<property><name>fs.s3.buffer.dir</name><value>${hadoop.tmp.dir}/s3</value></property>
+<property><name>job.end.retry.attempts</name><value>0</value></property>
+<property><name>fs.file.impl</name><value>org.apache.hadoop.fs.LocalFileSystem</value></property>
+<property><name>mapred.local.dir.minspacestart</name><value>0</value></property>
+<property><name>mapred.output.compression.type</name><value>RECORD</value></property>
+<property><name>dfs.datanode.ipc.address</name><value>127.0.0.1:0</value></property>
+<property><name>dfs.permissions</name><value>true</value></property>
+<property><name>topology.script.number.args</name><value>100</value></property>
+<property><name>io.mapfile.bloom.error.rate</name><value>0.005</value></property>
+<property><name>mapred.max.tracker.blacklists</name><value>4</value></property>
+<property><name>mapred.task.profile.maps</name><value>0-2</value></property>
+<property><name>dfs.datanode.https.address</name><value>0.0.0.0:50475</value></property>
+<property><name>mapred.userlog.retain.hours</name><value>24</value></property>
+<property><name>dfs.secondary.http.address</name><value>0.0.0.0:50090</value></property>
+<property><name>dfs.replication.max</name><value>512</value></property>
+<property><name>mapred.job.tracker.persist.jobstatus.active</name><value>false</value></property>
+<property><name>hadoop.security.authorization</name><value>false</value></property>
+<property><name>local.cache.size</name><value>10737418240</value></property>
+<property><name>mapred.min.split.size</name><value>0</value></property>
+<property><name>mapred.map.tasks</name><value>2</value></property>
+<property><name>mapred.child.java.opts</name><value>-Xmx200m</value></property>
+<property><name>mapred.output.value.class</name><value>edu.uci.ics.graphbuilding.ValueWritable</value></property>
+<property><name>dfs.https.client.keystore.resource</name><value>ssl-client.xml</value></property>
+<property><name>dfs.namenode.startup</name><value>REGULAR</value></property>
+<property><name>mapred.job.queue.name</name><value>default</value></property>
+<property><name>dfs.https.address</name><value>0.0.0.0:50470</value></property>
+<property><name>dfs.balance.bandwidthPerSec</name><value>1048576</value></property>
+<property><name>ipc.server.listen.queue.size</name><value>128</value></property>
+<property><name>group.name</name><value>staff</value></property>
+<property><name>mapred.inmem.merge.threshold</name><value>1000</value></property>
+<property><name>job.end.retry.interval</name><value>30000</value></property>
+<property><name>mapred.skip.attempts.to.start.skipping</name><value>2</value></property>
+<property><name>fs.checkpoint.dir</name><value>build/test/data/dfs/namesecondary1,build/test/data/dfs/namesecondary2</value></property>
+<property><name>mapred.reduce.tasks</name><value>2</value></property>
+<property><name>mapred.merge.recordsBeforeProgress</name><value>10000</value></property>
+<property><name>mapred.userlog.limit.kb</name><value>0</value></property>
+<property><name>dfs.max.objects</name><value>0</value></property>
+<property><name>webinterface.private.actions</name><value>false</value></property>
+<property><name>io.sort.spill.percent</name><value>0.80</value></property>
+<property><name>mapred.job.shuffle.input.buffer.percent</name><value>0.70</value></property>
+<property><name>mapred.job.split.file</name><value>hdfs://localhost:49297/tmp/hadoop-hadoop/mapred/system/job_local_0001/job.split</value></property>
+<property><name>mapred.job.name</name><value>Genomix Graph Building</value></property>
+<property><name>dfs.datanode.dns.nameserver</name><value>default</value></property>
+<property><name>mapred.map.tasks.speculative.execution</name><value>true</value></property>
+<property><name>hadoop.util.hash.type</name><value>murmur</value></property>
+<property><name>dfs.blockreport.intervalMsec</name><value>3600000</value></property>
+<property><name>mapred.map.max.attempts</name><value>4</value></property>
+<property><name>dfs.client.block.write.retries</name><value>3</value></property>
+<property><name>mapred.job.tracker.handler.count</name><value>10</value></property>
+<property><name>mapred.input.format.class</name><value>org.apache.hadoop.mapred.TextInputFormat</value></property>
+<property><name>mapred.tasktracker.expiry.interval</name><value>600000</value></property>
+<property><name>dfs.https.enable</name><value>false</value></property>
+<property><name>mapred.jobtracker.maxtasks.per.job</name><value>-1</value></property>
+<property><name>mapred.jobtracker.job.history.block.size</name><value>3145728</value></property>
+<property><name>keep.failed.task.files</name><value>false</value></property>
+<property><name>mapred.output.format.class</name><value>org.apache.hadoop.mapred.TextOutputFormat</value></property>
+<property><name>ipc.client.tcpnodelay</name><value>false</value></property>
+<property><name>mapred.task.profile.reduces</name><value>0-2</value></property>
+<property><name>mapred.output.compression.codec</name><value>org.apache.hadoop.io.compress.DefaultCodec</value></property>
+<property><name>io.map.index.skip</name><value>0</value></property>
+<property><name>mapred.working.dir</name><value>hdfs://localhost:49297/user/hadoop</value></property>
+<property><name>ipc.server.tcpnodelay</name><value>false</value></property>
+<property><name>mapred.reducer.class</name><value>edu.uci.ics.graphbuilding.GenomixReducer</value></property>
+<property><name>dfs.default.chunk.view.size</name><value>32768</value></property>
+<property><name>hadoop.logfile.size</name><value>10000000</value></property>
+<property><name>mapred.reduce.tasks.speculative.execution</name><value>true</value></property>
+<property><name>dfs.datanode.du.reserved</name><value>0</value></property>
+<property><name>fs.checkpoint.period</name><value>3600</value></property>
+<property><name>mapred.combiner.class</name><value>edu.uci.ics.graphbuilding.GenomixCombiner</value></property>
+<property><name>dfs.web.ugi</name><value>webuser,webgroup</value></property>
+<property><name>mapred.job.reuse.jvm.num.tasks</name><value>1</value></property>
+<property><name>mapred.jobtracker.completeuserjobs.maximum</name><value>100</value></property>
+<property><name>dfs.df.interval</name><value>60000</value></property>
+<property><name>dfs.data.dir</name><value>${hadoop.tmp.dir}/dfs/data</value></property>
+<property><name>fs.s3.maxRetries</name><value>4</value></property>
+<property><name>dfs.datanode.dns.interface</name><value>default</value></property>
+<property><name>mapred.mapoutput.value.class</name><value>org.apache.hadoop.io.IntWritable</value></property>
+<property><name>dfs.support.append</name><value>false</value></property>
+<property><name>dfs.permissions.supergroup</name><value>supergroup</value></property>
+<property><name>mapred.local.dir</name><value>${hadoop.tmp.dir}/mapred/local</value></property>
+<property><name>fs.hftp.impl</name><value>org.apache.hadoop.hdfs.HftpFileSystem</value></property>
+<property><name>mapred.mapper.class</name><value>edu.uci.ics.graphbuilding.GenomixMapper</value></property>
+<property><name>fs.trash.interval</name><value>0</value></property>
+<property><name>fs.s3.sleepTimeSeconds</name><value>10</value></property>
+<property><name>dfs.replication.min</name><value>1</value></property>
+<property><name>mapred.submit.replication</name><value>10</value></property>
+<property><name>fs.har.impl</name><value>org.apache.hadoop.fs.HarFileSystem</value></property>
+<property><name>mapred.map.output.compression.codec</name><value>org.apache.hadoop.io.compress.DefaultCodec</value></property>
+<property><name>mapred.tasktracker.dns.interface</name><value>default</value></property>
+<property><name>dfs.namenode.decommission.interval</name><value>3</value></property>
+<property><name>dfs.http.address</name><value>localhost:49298</value></property>
+<property><name>dfs.heartbeat.interval</name><value>3</value></property>
+<property><name>mapred.job.tracker</name><value>local</value></property>
+<property><name>io.seqfile.sorter.recordlimit</name><value>1000000</value></property>
+<property><name>dfs.name.dir</name><value>build/test/data/dfs/name1,build/test/data/dfs/name2</value></property>
+<property><name>mapred.line.input.format.linespermap</name><value>1</value></property>
+<property><name>mapred.jobtracker.taskScheduler</name><value>org.apache.hadoop.mapred.JobQueueTaskScheduler</value></property>
+<property><name>mapred.tasktracker.instrumentation</name><value>org.apache.hadoop.mapred.TaskTrackerMetricsInst</value></property>
+<property><name>dfs.datanode.http.address</name><value>127.0.0.1:0</value></property>
+<property><name>mapred.tasktracker.procfsbasedprocesstree.sleeptime-before-sigkill</name><value>5000</value></property>
+<property><name>mapred.local.dir.minspacekill</name><value>0</value></property>
+<property><name>dfs.replication.interval</name><value>3</value></property>
+<property><name>io.sort.record.percent</name><value>0.05</value></property>
+<property><name>fs.kfs.impl</name><value>org.apache.hadoop.fs.kfs.KosmosFileSystem</value></property>
+<property><name>mapred.temp.dir</name><value>${hadoop.tmp.dir}/mapred/temp</value></property>
+<property><name>mapred.tasktracker.reduce.tasks.maximum</name><value>2</value></property>
+<property><name>dfs.replication</name><value>2</value></property>
+<property><name>fs.checkpoint.edits.dir</name><value>${fs.checkpoint.dir}</value></property>
+<property><name>mapred.job.reduce.input.buffer.percent</name><value>0.0</value></property>
+<property><name>mapred.tasktracker.indexcache.mb</name><value>10</value></property>
+<property><name>hadoop.logfile.count</name><value>10</value></property>
+<property><name>mapred.skip.reduce.auto.incr.proc.count</name><value>true</value></property>
+<property><name>io.seqfile.compress.blocksize</name><value>1000000</value></property>
+<property><name>fs.s3.block.size</name><value>67108864</value></property>
+<property><name>mapred.tasktracker.taskmemorymanager.monitoring-interval</name><value>5000</value></property>
+<property><name>mapred.acls.enabled</name><value>false</value></property>
+<property><name>mapred.queue.names</name><value>default</value></property>
+<property><name>dfs.access.time.precision</name><value>3600000</value></property>
+<property><name>fs.hsftp.impl</name><value>org.apache.hadoop.hdfs.HsftpFileSystem</value></property>
+<property><name>mapred.task.tracker.http.address</name><value>0.0.0.0:50060</value></property>
+<property><name>mapred.reduce.parallel.copies</name><value>5</value></property>
+<property><name>io.seqfile.lazydecompress</name><value>true</value></property>
+<property><name>mapred.output.dir</name><value>hdfs://localhost:49297/result2</value></property>
+<property><name>io.sort.mb</name><value>100</value></property>
+<property><name>ipc.client.connection.maxidletime</name><value>10000</value></property>
+<property><name>mapred.compress.map.output</name><value>false</value></property>
+<property><name>mapred.task.tracker.report.address</name><value>127.0.0.1:0</value></property>
+<property><name>ipc.client.kill.max</name><value>10</value></property>
+<property><name>ipc.client.connect.max.retries</name><value>10</value></property>
+<property><name>fs.s3.impl</name><value>org.apache.hadoop.fs.s3.S3FileSystem</value></property>
+<property><name>mapred.input.dir</name><value>hdfs://localhost:49297/webmap</value></property>
+<property><name>mapred.job.tracker.http.address</name><value>0.0.0.0:50030</value></property>
+<property><name>io.file.buffer.size</name><value>4096</value></property>
+<property><name>mapred.jobtracker.restart.recover</name><value>false</value></property>
+<property><name>io.serializations</name><value>org.apache.hadoop.io.serializer.WritableSerialization</value></property>
+<property><name>dfs.datanode.handler.count</name><value>3</value></property>
+<property><name>mapred.reduce.copy.backoff</name><value>300</value></property>
+<property><name>mapred.task.profile</name><value>false</value></property>
+<property><name>dfs.replication.considerLoad</name><value>true</value></property>
+<property><name>jobclient.output.filter</name><value>FAILED</value></property>
+<property><name>mapred.tasktracker.map.tasks.maximum</name><value>2</value></property>
+<property><name>io.compression.codecs</name><value>org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec</value></property>
+<property><name>fs.checkpoint.size</name><value>67108864</value></property>
+</configuration>
\ No newline at end of file
diff --git a/hadoop/build/test/data/dfs/data/data4/current/blk_7390568412602717794_1004.meta b/hadoop/build/test/data/dfs/data/data4/current/blk_7390568412602717794_1004.meta
new file mode 100755
index 0000000..b7bad35
--- /dev/null
+++ b/hadoop/build/test/data/dfs/data/data4/current/blk_7390568412602717794_1004.meta
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diff --git a/hadoop/build/test/data/dfs/data/data4/storage b/hadoop/build/test/data/dfs/data/data4/storage
new file mode 100755
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+++ b/hadoop/build/test/data/dfs/data/data4/storage
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diff --git a/hadoop/build/test/data/dfs/name1/current/VERSION b/hadoop/build/test/data/dfs/name1/current/VERSION
new file mode 100755
index 0000000..048d57a
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name1/current/VERSION
@@ -0,0 +1,5 @@
+#Mon Jan 28 16:24:48 PST 2013
+namespaceID=1113662599
+cTime=0
+storageType=NAME_NODE
+layoutVersion=-18
diff --git a/hadoop/build/test/data/dfs/name1/current/edits b/hadoop/build/test/data/dfs/name1/current/edits
new file mode 100755
index 0000000..88e5d71
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name1/current/edits
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diff --git a/hadoop/build/test/data/dfs/name1/current/fsimage b/hadoop/build/test/data/dfs/name1/current/fsimage
new file mode 100755
index 0000000..18adf06
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name1/current/fsimage
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diff --git a/hadoop/build/test/data/dfs/name1/current/fstime b/hadoop/build/test/data/dfs/name1/current/fstime
new file mode 100755
index 0000000..171e022
--- /dev/null
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diff --git a/hadoop/build/test/data/dfs/name1/image/fsimage b/hadoop/build/test/data/dfs/name1/image/fsimage
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index 0000000..60e7000
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name1/image/fsimage
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diff --git a/hadoop/build/test/data/dfs/name2/current/VERSION b/hadoop/build/test/data/dfs/name2/current/VERSION
new file mode 100755
index 0000000..048d57a
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name2/current/VERSION
@@ -0,0 +1,5 @@
+#Mon Jan 28 16:24:48 PST 2013
+namespaceID=1113662599
+cTime=0
+storageType=NAME_NODE
+layoutVersion=-18
diff --git a/hadoop/build/test/data/dfs/name2/current/edits b/hadoop/build/test/data/dfs/name2/current/edits
new file mode 100755
index 0000000..88e5d71
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name2/current/edits
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diff --git a/hadoop/build/test/data/dfs/name2/current/fsimage b/hadoop/build/test/data/dfs/name2/current/fsimage
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index 0000000..18adf06
--- /dev/null
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diff --git a/hadoop/build/test/data/dfs/name2/current/fstime b/hadoop/build/test/data/dfs/name2/current/fstime
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index 0000000..171e022
--- /dev/null
+++ b/hadoop/build/test/data/dfs/name2/current/fstime
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diff --git a/hadoop/build/test/data/dfs/name2/image/fsimage b/hadoop/build/test/data/dfs/name2/image/fsimage
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index 0000000..60e7000
--- /dev/null
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