Hi Adam, Well the "yes" program prints lower case y's and apparently only captial Y is accepted.
But by creating my out "Yes" program that spews Y's to stdout it works :) Cheers, Ivan On 9/22/11 3:02 PM, "Adam Shook" <[email protected]> wrote: >yes | hadoop namenode -format > >The "yes" program simply outputs 'y' a bunch of times. "echo yes" will >just print "yes" to stdout. > >-- Adam > >-----Original Message----- >From: [email protected] [mailto:[email protected]] >Sent: Thursday, September 22, 2011 6:00 PM >To: [email protected]; [email protected] >Subject: Re: formatting hdfs without user interaction > >Hi Raj and Arpit, > >I think the fact that there are 2 confirmations is causing it not to work: > >echo "Y" | hadoop namenode -format >11/09/22 14:57:10 INFO namenode.NameNode: STARTUP_MSG: >/************************************************************ >STARTUP_MSG: Starting NameNode >STARTUP_MSG: host = hdm1/172.28.9.250 >STARTUP_MSG: args = [-format] >STARTUP_MSG: version = 0.20.204.0 >STARTUP_MSG: build = git://hrt8n35.cc1.ygridcore.net/ on branch >branch-0.20-security-204 -r 65e258bf0813ac2b15bb4c954660eaf9e8fba141; >compiled by 'hortonow' on Thu Aug 25 23:25:52 UTC 2011 >************************************************************/ >Re-format filesystem in /data/local/hdfs/name ? (Y or N) Re-format >filesystem in /data/remote/hdfs/name ? (Y or N) Format aborted in >/data/remote/hdfs/name >11/09/22 14:57:10 INFO namenode.NameNode: SHUTDOWN_MSG: >/************************************************************ >SHUTDOWN_MSG: Shutting down NameNode at hdm1/172.28.9.250 >************************************************************/ >Heap > par new generation total 2831168K, used 150996K [0x00002aaaae210000, >0x00002aab6e210000, 0x00002aab6e210000) > eden space 2516608K, 6% used [0x00002aaaae210000, 0x00002aaab75852d0, >0x00002aab47bb0000) > from space 314560K, 0% used [0x00002aab47bb0000, 0x00002aab47bb0000, >0x00002aab5aee0000) > to space 314560K, 0% used [0x00002aab5aee0000, 0x00002aab5aee0000, >0x00002aab6e210000) > concurrent mark-sweep generation total 30408704K, used 0K >[0x00002aab6e210000, 0x00002ab2ae210000, 0x00002ab2ae210000) > concurrent-mark-sweep perm gen total 21248K, used 7333K >[0x00002ab2ae210000, 0x00002ab2af6d0000, 0x00002ab2b3610000) > > >Cheers, >Ivan > >On 9/22/11 2:52 PM, "Raj V" <[email protected]> wrote: > >>Ian >>"echo 'Y' | hadoop namenode -format" >> >>should work., >> >>Raj >> >> >>>________________________________ >>>From: "[email protected]" <[email protected]> >>>To: [email protected] >>>Sent: Thursday, September 22, 2011 2:43 PM >>>Subject: formatting hdfs without user interaction >>> >>>Hello, >>> >>>I am trying to automate formatting an HDFS volume. Is there any way to >>>do this without the interaction (and using expect)? >>> >>>Cheers, >>>Ivan >>> >>> > > >----- >No virus found in this message. >Checked by AVG - www.avg.com >Version: 10.0.1410 / Virus Database: 1520/3912 - Release Date: 09/22/11 >
