In the log file that you showing, do you see where the keyring file is being set by Hadoop? You can find it by grepping for: "jni: conf_set" On Mon, Sep 23, 2013 at 12:43 PM, Rolando Martins <rolando.martins@xxxxxxxxx> wrote: > bin/hadoop fs -ls > > Bad connection to FS. command aborted. exception: > > (no other information is thrown) > > ceph log: > 2013-09-23 19:42:27.545402 7f0b58de7700 -1 monclient(hunting): ERROR: > missing keyring, cannot use cephx for authentication > 2013-09-23 19:42:27.545619 7f0b58de7700 20 client.-1 trim_cache size 0 max 0 > 2013-09-23 19:42:27.545733 7f0b58de7700 10 jni: ceph_mount: exit ret -2 > > On Mon, Sep 23, 2013 at 3:39 PM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: >> 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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