My bad, I associated conf_read_file with conf_set. No, it does not appear in the logs. On Mon, Sep 23, 2013 at 4:20 PM, Noah Watkins <noah.watkins@xxxxxxxxxxx> wrote: > I'm not sure what you grepped for. Does this output mean that the > string "conf_set" didn't show up in the log? > > On Mon, Sep 23, 2013 at 12:52 PM, Rolando Martins > <rolando.martins@xxxxxxxxx> wrote: >> 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