Yeah I have a secondary namenode as well so 2 directories. I was trying to avoid expect if possible..... But this is always an option.
Cheers, Ivan On 9/22/11 3:17 PM, "Arpit Gupta" <ar...@hortonworks.com> wrote: >The reason you are getting multiple prompts is that you have multiple >dir's defined in the dfs.name.dir. > >A simple expect script would take care of this. > >#!/usr/bin/expect -f >spawn /bin/hadoop namenode -format >expect "Re-format filesystem in" >send Y\n >expect "Re-format filesystem in" >send Y\n >interact > > >You might have to put the above in a loop based on how many dirs are >defined in the dfs.name.dir > >-- >Arpit >ar...@hortonworks.com > > > > >On Sep 22, 2011, at 2:59 PM, <ivan.nov...@emc.com> wrote: > >> 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" <rajv...@yahoo.com> wrote: >> >>> Ian >>> "echo 'Y' | hadoop namenode -format" >>> >>> should work., >>> >>> Raj >>> >>> >>>> ________________________________ >>>> From: "ivan.nov...@emc.com" <ivan.nov...@emc.com> >>>> To: common-user@hadoop.apache.org >>>> 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 >>>> >>>> >> > >
