2013-09-23 19:42:22.515836 7f0b58de7700 10 jni: conf_read_file: exit ret 0 2013-09-23 19:42:22.515893 7f0b58de7700 10 jni: ceph_mount: / 2013-09-23 19:42:22.516643 7f0b58de7700 -1 monclient(hunting): ERROR: missing keyring, cannot use cephx for authentication 2013-09-23 19:42:22.516969 7f0b58de7700 20 client.-1 trim_cache size 0 max 0 2013-09-23 19:42:22.517210 7f0b58de7700 10 jni: ceph_mount: exit ret -2 2013-09-23 19:42:23.520569 7f0b58de7700 10 jni: conf_read_file: exit ret 0 2013-09-23 19:42:23.520601 7f0b58de7700 10 jni: ceph_mount: / .... On Mon, Sep 23, 2013 at 3:47 PM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: > 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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