What happens when you run `bin/hadoop fs -ls` ? This is entirely local, and a bit simpler and easier to grok. On Mon, Sep 23, 2013 at 12:23 PM, Rolando Martins <rolando.martins@xxxxxxxxx> wrote: > I am trying to start hadoop using bin/start-mapred.sh. > In the HADOOP_HOME/lib, I have: > lib/hadoop-cephfs.jar lib/libcephfs.jar lib/libcephfs_jni.so > (the first I downloaded from > http://ceph.com/docs/master/cephfs/hadoop/ and the other two, I copied > from my system (after installing the ubuntu package for the ceph java > client)) > > I added to conf/hadoop-env.sh: > export LD_LIBRARY_PATH=/hyrax/hadoop-ceph/lib > > I confirmed using bin/hadoop classpath that both jar are in the classpath. > > On Mon, Sep 23, 2013 at 3:17 PM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: >> How are you invoking Hadoop? Also, I forgot to ask, are you using the >> wrappers located in github.com/ceph/hadoop-common (or the jar linked >> to on http://ceph.com/docs/master/cephfs/hadoop/)? >> >> On Mon, Sep 23, 2013 at 12:05 PM, Rolando Martins >> <rolando.martins@xxxxxxxxx> wrote: >>> Hi Noah, >>> I enabled the debugging and got: >>> >>> 2013-09-23 18:59:34.705894 7f0b58de7700 -1 monclient(hunting): ERROR: >>> missing keyring, cannot use cephx for authentication >>> 2013-09-23 18:59:34.706106 7f0b58de7700 20 client.-1 trim_cache size 0 max 0 >>> 2013-09-23 18:59:34.706225 7f0b58de7700 10 jni: ceph_mount: exit ret -2 >>> >>> I have the ceph.client.admin.keyring file in /etc/ceph and I tried >>> with and without the >>> parameter in core-site.xml. Unfortunately without success:( >>> >>> Thanks, >>> Rolando >>> >>> >>> <property> >>> <name>fs.ceph.impl</name> >>> <value>org.apache.hadoop.fs.ceph.CephFileSystem</value> >>> </property> >>> >>> <property> >>> <name>fs.default.name</name> >>> <value>ceph://hyrax1:6789/</value> >>> </property> >>> >>> <property> >>> <name>ceph.conf.file</name> >>> <value>/hyrax/hadoop-ceph/ceph/ceph.conf</value> >>> </property> >>> >>> <property> >>> <name>ceph.root.dir</name> >>> <value>/</value> >>> </property> >>> <property> >>> <name>ceph.auth.keyring</name> >>> <value>/hyrax/hadoop-ceph/ceph/ceph.client.admin.keyring</value> >>> </property> >>> >>> On Mon, Sep 23, 2013 at 2:24 PM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: >>>> Shoot, I thought I had it figured out :) >>>> >>>> There is a default admin user created when you first create your >>>> cluster. After a typical install via ceph-deploy, there should be a >>>> file called 'ceph.client.admin.keyring', usually sibling to ceph.conf. >>>> If this is in a standard location (e.g. /etc/ceph) you shouldn't need >>>> the keyring option, otherwise point 'ceph.auth.keyring' at that >>>> keyring file. You shouldn't need both the keyring and the keyfile >>>> options set, but it just depends on how your authentication / users >>>> are all setup. >>>> >>>> The easiest thing to do if that doesn't solve your problem is probably >>>> to turn on logging so we can see what is blowing up. >>>> >>>> In your ceph.conf you can add 'debug client = 20' and 'debug >>>> javaclient = 20' to the client section. You may also need to set the >>>> log file 'log file = /path/...'. You don't need to do this on all your >>>> nodes, just one node where you get the failure. >>>> >>>> - Noah >>>> >>>>> Thanks, >>>>> Rolando >>>>> >>>>> P.S.: I have the cephFS mounted locally, so the cluster is ok. >>>>> >>>>> cluster d9ca74d0-d9f4-436d-92de-762af67c6534 >>>>> health HEALTH_OK >>>>> monmap e1: 9 mons at >>>>> {hyrax1=10.10.10.10:6789/0,hyrax2=10.10.10.12:6789/0,hyrax3=10.10.10.15:6789/0,hyrax4=10.10.10.13:6789/0,hyrax5=10.10.10.16:6789/0,hyrax6=10.10.10.14:6789/0,hyrax7=10.10.10.18:6789/0,hyrax8=10.10.10.17:6789/0,hyrax9=10.10.10.11:6789/0}, >>>>> election epoch 6, quorum 0,1,2,3,4,5,6,7,8 >>>>> hyrax1,hyrax2,hyrax3,hyrax4,hyrax5,hyrax6,hyrax7,hyrax8,hyrax9 >>>>> osdmap e30: 9 osds: 9 up, 9 in >>>>> pgmap v2457: 192 pgs: 192 active+clean; 10408 bytes data, 44312 MB >>>>> used, 168 GB / 221 GB avail >>>>> mdsmap e4: 1/1/1 up {0=hyrax1=up:active} >>>>> >>>>> >>>>> <property> >>>>> <name>fs.ceph.impl</name> >>>>> <value>org.apache.hadoop.fs.ceph.CephFileSystem</value> >>>>> </property> >>>>> >>>>> <property> >>>>> <name>fs.default.name</name> >>>>> <value>ceph://hyrax1:6789/</value> >>>>> </property> >>>>> >>>>> <property> >>>>> <name>ceph.conf.file</name> >>>>> <value>/hyrax/hadoop-ceph/ceph/ceph.conf</value> >>>>> </property> >>>>> >>>>> <property> >>>>> <name>ceph.root.dir</name> >>>>> <value>/</value> >>>>> </property> >>>>> >>>>> <property> >>>>> <name>ceph.auth.keyfile</name> >>>>> <value>/hyrax/hadoop-ceph/ceph/admin.secret</value> >>>>> </property> >>>>> >>>>> <property> >>>>> <name>ceph.auth.keyring</name> >>>>> <value>/hyrax/hadoop-ceph/ceph/ceph.mon.keyring</value> >>>>> </property> >>>>> >>>>> On Mon, Sep 23, 2013 at 11:42 AM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: >>>>>>> <property> >>>>>>> <name>ceph.root.dir</name> >>>>>>> <value>/mnt/mycephfs</value> >>>>>>> </property> >>>>>> >>>>>> This is probably causing the issue. Is this meant to be a local mount >>>>>> point? The 'ceph.root.dir' property specifies the root directory >>>>>> /inside/ CephFS, and the Hadoop implementation doesn't require a local >>>>>> CephFS mount--it uses a client library to interact with the file >>>>>> system. >>>>>> >>>>>> The default value for this property is "/", so you can probably just >>>>>> remove this from your config file unless your CephFS directory >>>>>> structure is carved up in a special way. >>>>>> >>>>>>> <property> >>>>>>> <name>ceph.conf.file</name> >>>>>>> <value>/hyrax/hadoop-ceph/ceph/ceph.conf</value> >>>>>>> </property> >>>>>>> <property> >>>>>>> <name>ceph.auth.keyfile</name> >>>>>>> <value>/hyrax/hadoop-ceph/ceph/admin.secret</value> >>>>>>> </property> >>>>>>> >>>>>>> <property> >>>>>>> <name>ceph.auth.keyring</name> >>>>>>> <value>/hyrax/hadoop-ceph/ceph/ceph.mon.keyring</value> >>>>>>> </property> >>>>>> >>>>>> These files will need to be available locally on every node Hadoop >>>>>> runs on. I think the error below will occur after these are loaded, so >>>>>> it probably isn't your issue, though I don't recall exactly at which >>>>>> point different configuration files are loaded. >>>>>> >>>>>>> <property> >>>>>>> <name>fs.hdfs.impl</name> >>>>>>> <value>org.apache.hadoop.fs.ceph.CephFileSystem</value> >>>>>>> </property> >>>>>> >>>>>> I don't think this is part of the problem you are seeing, but this >>>>>> 'fs.hdfs.impl' property should probably be removed. We aren't >>>>>> overriding HDFS, just replacing it. >>>>>> >>>>>>> <property> >>>>>>> <name>ceph.mon.address</name> >>>>>>> <value>hyrax1:6789</value> >>>>>>> </property> >>>>>> >>>>>> This was already specified in your 'fs.default.name' property. I don't >>>>>> think that duplicating it is an issue, but I should probably update >>>>>> the documentation to make it clear that the monitor only needs to be >>>>>> listed once. >>>>>> >>>>>> Thanks! >>>>>> Noah _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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