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https://issues.apache.org/jira/browse/HDFS-2600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uma Maheswara Rao G resolved HDFS-2600.
---------------------------------------
Resolution: Invalid
> regarding HDFS-RAID
> -------------------
>
> Key: HDFS-2600
> URL: https://issues.apache.org/jira/browse/HDFS-2600
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: contrib/raid
> Affects Versions: 0.21.0
> Reporter: kiupbyun
> Priority: Critical
> Labels: hadoop
> Fix For: 0.21.0
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> I've tried to do HDFS-RAID over hadoop-0.21.0 ...
>
> But, It's failed to raid when I've tried to start raidnode (start-raidnode.sh)
>
> What do I have to correct it?
>
> This is the information. Would you tell me how to correct it?
>
> Namenode : xxx.23.129.40:9006
> Datanode: xxx.23.129.39, 38
> Raidnode : xxx.23.129.40 ( I want to seperate raidnoe from namenode, how can
> I do?)
>
> * hdfs-site.xml
> <name>hdfs.raid.locations</name>
> <value>hdfs://xxx.23.129.40:9006/raid</value>
> => (What's the meaning of this, which address do I have to write down?)
> <description>The location for parity files. If this is
> is not defined, then defaults to /raid.
> </description>
> </property>
>
> * raid.xml
> <configuration>
> <srcPath prefix="hdfs://xxx.23.129.40:9006/TEST">
> => (What's the meaning of this, which address do I have to write down?)
> <policy name = "TEST"> => (What's this? )
> <property>
> <name>srcReplication</name>
> <value>3</value>
> <description> pick files for RAID only if their replication factor
> is
> greater than or equal to this value.
> </description>
> </property>
> <property>
> <name>targetReplication</name>
> <value>2</value>
> <description> after RAIDing, decrease the replication factor of a
> file to
> this value.
> </description>
> </property>
> <property>
> <name>metaReplication</name>
> <value>2</value>
> <description> the replication factor of the RAID meta file
> </description>
> </property>
> <property>
> <name>modTimePeriod</name>
> <value>100</value>
> <description> time (milliseconds) after a file is modified to make
> it a
> candidate for RAIDing
> </description>
> </property>
>
>
> *log: when start-raidnode.sh
> /************************************************************
> SHUTDOWN_MSG: Shutting down RaidNode at test40/xxx.23.129.40
> ************************************************************/
> 2011-11-25 23:59:13,417 INFO org.apache.hadoop.raid.RaidNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting RaidNode
> STARTUP_MSG: host = test40/xxx.23.129.40
> STARTUP_MSG: args = []
> STARTUP_MSG: version = 0.21.0
> ************************************************************/
> 2011-11-25 23:59:13,518 ERROR org.apache.hadoop.raid.ConfigManager: Reloading
> config
> file /KTBHOME/hadoop/hadoop/conf/raid.xml
> 2011-11-25 23:59:13,611 INFO org.apache.hadoop.security.Groups: Group mapping
> impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
> cacheTimeout=300000
> 2011-11-25 23:59:13,647 WARN org.apache.hadoop.conf.Configuration:
> mapred.task.id is
> deprecated. Instead, use mapreduce.task.attempt.id
> 2011-11-25 23:59:13,714 INFO org.apache.hadoop.raid.ConfigManager:
> TEST.srcReplication = 3
> 2011-11-25 23:59:13,714 INFO org.apache.hadoop.raid.ConfigManager:
> TEST.targetReplication = 2
> 2011-11-25 23:59:13,715 INFO org.apache.hadoop.raid.ConfigManager:
> TEST.metaReplication = 2
> 2011-11-25 23:59:13,715 INFO org.apache.hadoop.raid.ConfigManager:
> TEST.modTimePeriod = 100
> 2011-11-25 23:59:13,716 INFO org.apache.hadoop.raid.ConfigManager:
> k_table1.targetReplication = 1
> 2011-11-25 23:59:13,716 INFO org.apache.hadoop.raid.ConfigManager:
> k_table1.metaReplication = 2
> 2011-11-25 23:59:13,716 INFO org.apache.hadoop.raid.ConfigManager:
> k_table1.modTimePeriod = 100
> 2011-11-25 23:59:13,728 INFO org.apache.hadoop.ipc.Server: Starting
> SocketReader
> 2011-11-25 23:59:13,751 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
> Initializing
> RPC Metrics with hostName=RaidNode, port=60000
> 2011-11-25 23:59:13,810 INFO
> org.apache.hadoop.ipc.metrics.RpcDetailedMetrics:
> Initializing RPC Metrics with hostName=RaidNode, port=60000
> 2011-11-25 23:59:13,812 INFO org.apache.hadoop.raid.RaidNode: RaidNode up at:
> /127.0.0.1:60000
> 2011-11-25 23:59:13,813 INFO org.apache.hadoop.ipc.Server: IPC Server
> Responder:
> starting
> 2011-11-25 23:59:13,813 INFO org.apache.hadoop.ipc.Server: IPC Server
> listener on
> 60000: starting
> 2011-11-25 23:59:13,814 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 0 on
> 60000: starting
> 2011-11-25 23:59:13,814 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 1 on
> 60000: starting
> 2011-11-25 23:59:13,815 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 2 on
> 60000: starting
> 2011-11-25 23:59:13,815 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 3 on
> 60000: starting
> 2011-11-25 23:59:13,815 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 4 on
> 60000: starting
> 2011-11-25 23:59:13,815 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 5 on
> 60000: starting
> 2011-11-25 23:59:13,815 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 6 on
> 60000: starting
> 2011-11-25 23:59:13,816 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 7 on
> 60000: starting
> 2011-11-25 23:59:13,816 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 8 on
> 60000: starting
> 2011-11-25 23:59:13,816 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 9 on
> 60000: starting
> 2011-11-25 23:59:13,818 INFO org.apache.hadoop.raid.RaidNode: Triggering
> Policy
> Filter TEST hdfs://xxx.23.129.40:9006/TEST
> 2011-11-25 23:59:13,819 INFO org.apache.hadoop.raid.RaidNode: Started archive
> scan
> 2011-11-25 23:59:13,828 INFO org.apache.hadoop.raid.RaidNode: No filtered
> paths for
> policy TEST
> 2011-11-25 23:59:13,828 INFO org.apache.hadoop.raid.RaidNode: Triggering
> Policy
> Filter k_table1 hdfs://xxx.23.129.40:9006
> 2011-11-25 23:59:13,829 INFO org.apache.hadoop.raid.RaidNode: No filtered
> paths for
> policy k_table1
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