Thanks Vikas. I run ./hdfs dfs -ls /home/cluster on machine running namenode. Do I need to configure a client machine?
In my opinion, I suspect that the local fs /home/cluster is not configured as hdfs. In core-site.xml, I set the hdfs as hdfs://master:9000. So I think that's why the command ./hdfs dfs-ls hdfs://master:9000/ can work. Please correct me, if i was wrong. On Tue, Mar 3, 2015 at 1:59 PM, Vikas Parashar <para.vi...@gmail.com> wrote: > Hello, > > hdfs dfs -ls /home/cluster > to check the content inside. > But I get error > ls: *No FileSystem for scheme: hdfs --> *that means, you don't have > hdfs rpm installed at your client machine.. > > > For answer of you question:- > ./hdfs dfs -mkdir hdfs://master:9000/directory > > > That *directory *will be under / in your hdfs. All data would be stored > in data node; but namenode will have the meta data information. For more > details; you have to read hdfs > http://hadoop.apache.org/docs/r1.2.1/hdfs_design.html. > > > > > > > > > > > > > > > > > On Tue, Mar 3, 2015 at 10:46 PM, Shengdi Jin <jinshen...@gmail.com> wrote: > >> I use command >> ./hdfs dfs -ls hdfs://master:9000/ >> It works. So i think hdfs://master:9000/ should be the hdfs. >> >> I have another questions, if >> ./hdfs dfs -mkdir hdfs://master:9000/directory >> where should the /directory be stored? >> In DataNode or in NameNode? or in the local system of master? >> >> On Tue, Mar 3, 2015 at 8:06 AM, 杨浩 <yangha...@gmail.com> wrote: >> >>> I don't think it nessary to run the command with daemon in that client, >>> and hdfs is not a daemon for hadoop。 >>> >>> 2015-03-03 20:57 GMT+08:00 Somnath Pandeya <somnath_pand...@infosys.com> >>> : >>> >>>> Is your hdfs daemon running on cluster. ? ? >>>> >>>> >>>> >>>> *From:* Vikas Parashar [mailto:para.vi...@gmail.com] >>>> *Sent:* Tuesday, March 03, 2015 10:33 AM >>>> *To:* user@hadoop.apache.org >>>> *Subject:* Re: how to check hdfs >>>> >>>> >>>> >>>> Hi, >>>> >>>> >>>> >>>> Kindly install hadoop-hdfs rpm in your machine.. >>>> >>>> >>>> >>>> Rg: >>>> >>>> Vicky >>>> >>>> >>>> >>>> On Mon, Mar 2, 2015 at 11:19 PM, Shengdi Jin <jinshen...@gmail.com> >>>> wrote: >>>> >>>> Hi all, >>>> >>>> I just start to learn hadoop, I have a naive question >>>> >>>> I used >>>> >>>> hdfs dfs -ls /home/cluster >>>> >>>> to check the content inside. >>>> >>>> But I get error >>>> ls: No FileSystem for scheme: hdfs >>>> >>>> My configuration file core-site.xml is like >>>> <configuration> >>>> <property> >>>> <name>fs.defaultFS</name> >>>> <value>hdfs://master:9000</value> >>>> </property> >>>> </configuration> >>>> >>>> >>>> hdfs-site.xml is like >>>> <configuration> >>>> <property> >>>> <name>dfs.replication</name> >>>> <value>2</value> >>>> </property> >>>> <property> >>>> <name>dfs.name.dir</name> >>>> <value>file:/home/cluster/mydata/hdfs/namenode</value> >>>> </property> >>>> <property> >>>> <name>dfs.data.dir</name> >>>> <value>file:/home/cluster/mydata/hdfs/datanode</value> >>>> </property> >>>> </configuration> >>>> >>>> is there any thing wrong ? >>>> >>>> Thanks a lot. >>>> >>>> >>>> >>>> **************** CAUTION - Disclaimer ***************** >>>> This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended >>>> solely >>>> for the use of the addressee(s). If you are not the intended recipient, >>>> please >>>> notify the sender by e-mail and delete the original message. Further, you >>>> are not >>>> to copy, disclose, or distribute this e-mail or its contents to any other >>>> person and >>>> any such actions are unlawful. This e-mail may contain viruses. Infosys >>>> has taken >>>> every reasonable precaution to minimize this risk, but is not liable for >>>> any damage >>>> you may sustain as a result of any virus in this e-mail. You should carry >>>> out your >>>> own virus checks before opening the e-mail or attachment. Infosys reserves >>>> the >>>> right to monitor and review the content of all messages sent to or from >>>> this e-mail >>>> address. Messages sent to or from this e-mail address may be stored on the >>>> Infosys e-mail system. >>>> ***INFOSYS******** End of Disclaimer ********INFOSYS*** >>>> >>>> >>> >> >
