Thanks for follow-up, Stephen - this will be also useful to others finding this in the archives!
Glad it eventually worked for you, I'll drop a line to our guys to update the download page with this information, so it should hopefully be less painful in the future for others. *Marco Massenzio* *Distributed Systems Engineerhttp://codetrips.com <http://codetrips.com>* On Sat, Sep 5, 2015 at 3:00 PM, Stephen Boesch <java...@gmail.com> wrote: > Yes I had started the slaves as > > service mesos-slave start > > But had not done the correct way on the master, which is supposed to be: > > service mesos-master start > > The slaves do appear after having made that correction: thanks. > > > 2015-09-05 14:55 GMT-07:00 Marco Massenzio <ma...@mesosphere.io>: > >> Stephen: >> >> Klaus is correct, you are starting the Master in "standalone" mode, not >> with zookeeper support: it needs adding the --zk=zk://10.xx.xx.124:2181/mesos >> --quorum=1 options (at the very least). >> >> As you correctly noted, the contents of the /mesos znode is empty and >> thus the agent nodes cannot find elected Master leader (also, if you are >> running more than one Master, they won't 'know' about each other and won't >> be able to elect a leader). >> >> To check that your settings work, you can (a) look in Master logs (it >> will log a lot of info when connecting to ZK) and (b) see that under /mesos >> a number of json.info_0000nn nodes will appear (whose contents are JSON so >> you can double check that the contents make sense). >> >> You can find more info here[0]. >> >> [0] >> http://codetrips.com/2015/08/16/apache-mesos-leader-master-discovery-using-zookeeper-part-2/ >> >> *Marco Massenzio* >> >> *Distributed Systems Engineerhttp://codetrips.com <http://codetrips.com>* >> >> On Fri, Sep 4, 2015 at 5:33 PM, Stephen Boesch <java...@gmail.com> wrote: >> >>> >>> I installed using yum -y install mesos. That did work. >>> >>> Now the master and slaves do not see each other. >>> >>> >>> Here is the master: >>> $ ps -ef | grep mesos | grep -v grep >>> stack 30236 17902 0 00:09 pts/4 00:00:04 >>> /mnt/mesos/build/src/.libs/lt-mesos-master --work_dir=/tmp/mesos >>> --ip=10.xx.xx.124 >>> >>> >>> Here is one of the 20 slaves: >>> >>> ps -ef | grep mesos | grep -v grep >>> root 26086 1 0 00:10 ? 00:00:00 /usr/sbin/mesos-slave >>> --master=zk://10.xx.xx.124:2181/mesos --log_dir=/var/log/mesos >>> root 26092 26086 0 00:10 ? 00:00:00 logger -p user.info -t >>> mesos-slave[26086] >>> root 26093 26086 0 00:10 ? 00:00:00 logger -p user.err -t >>> mesos-slave[26086] >>> >>> >>> Note the slave and master are on correct same ip address >>> >>> The /etc/mesos/zk seems to be set properly : and I do see the /mesos >>> node in zookeeper is updated after restarting the master >>> >>> However the zookeeper node is empty: >>> >>> [zk: localhost:2181(CONNECTED) 10] ls /mesos >>> [] >>> >>> The node is world accessible so no permission issue: >>> >>> [zk: localhost:2181(CONNECTED) 12] getAcl /mesos >>> 'world,'anyone >>> : cdrwa >>> >>> Why is the zookeeper node empty? Is this the reason the master and >>> slaves are not connecting? >>> >>> 2015-09-04 14:56 GMT-07:00 craig w <codecr...@gmail.com>: >>> >>>> No problem, they have a "downloads" link inn their menu: >>>> https://mesosphere.com/downloads/ >>>> On Sep 4, 2015 5:43 PM, "Stephen Boesch" <java...@gmail.com> wrote: >>>> >>>>> @Craig . That is an incomplete answer - given that such links are not >>>>> presented in an obvious manner . Maybe you managed to find a link on >>>>> their site that provides prebuilt for Centos7: if so then please share it. >>>>> >>>>> >>>>> I had previously found a link on their site for prebuilt binaries but >>>>> is based on using CDH4 (which is not possible for my company). It is also >>>>> old. >>>>> >>>>> https://docs.mesosphere.com/tutorials/install_centos_rhel/ >>>>> >>>>> >>>>> 2015-09-04 14:27 GMT-07:00 craig w <codecr...@gmail.com>: >>>>> >>>>>> Mesosphere has packages prebuilt, go to their site to find how to >>>>>> install >>>>>> On Sep 4, 2015 5:11 PM, "Stephen Boesch" <java...@gmail.com> wrote: >>>>>> >>>>>>> >>>>>>> After following the directions here: >>>>>>> http://mesos.apache.org/gettingstarted/ >>>>>>> >>>>>>> Which for centos7 includes the following: >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> # Change working directory. >>>>>>> $ cd mesos >>>>>>> >>>>>>> # Bootstrap (Only required if building from git repository). >>>>>>> $ ./bootstrap >>>>>>> >>>>>>> # Configure and build. >>>>>>> $ mkdir build >>>>>>> $ cd build >>>>>>> $ ../configure >>>>>>> $ make >>>>>>> >>>>>>> In order to speed up the build and reduce verbosity of the logs, you >>>>>>> can append-j <number of cores> V=0 to make. >>>>>>> >>>>>>> # Run test suite. >>>>>>> $ make check >>>>>>> >>>>>>> # Install (Optional). >>>>>>> $ make install >>>>>>> >>>>>>> >>>>>>> >>>>>>> But the installation is not correct afterwards: here is the bin >>>>>>> directory: >>>>>>> >>>>>>> $ ll bin >>>>>>> total 92 >>>>>>> -rw-r--r--. 1 stack stack 1769 Jul 17 23:14 >>>>>>> valgrind-mesos-tests.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1769 Jul 17 23:14 >>>>>>> valgrind-mesos-slave.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1772 Jul 17 23:14 >>>>>>> valgrind-mesos-master.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1769 Jul 17 23:14 >>>>>>> valgrind-mesos-local.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1026 Jul 17 23:14 mesos-tests.sh.in >>>>>>> -rw-r--r--. 1 stack stack 901 Jul 17 23:14 mesos-tests-flags.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1019 Jul 17 23:14 mesos-slave.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1721 Jul 17 23:14 mesos-slave-flags.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1366 Jul 17 23:14 mesos.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1026 Jul 17 23:14 mesos-master.sh.in >>>>>>> -rw-r--r--. 1 stack stack 858 Jul 17 23:14 >>>>>>> mesos-master-flags.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1023 Jul 17 23:14 mesos-local.sh.in >>>>>>> -rw-r--r--. 1 stack stack 935 Jul 17 23:14 mesos-local-flags.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1466 Jul 17 23:14 lldb-mesos-tests.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1489 Jul 17 23:14 lldb-mesos-slave.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1492 Jul 17 23:14 lldb-mesos-master.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1489 Jul 17 23:14 lldb-mesos-local.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1498 Jul 17 23:14 gdb-mesos-tests.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1527 Jul 17 23:14 gdb-mesos-slave.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1530 Jul 17 23:14 gdb-mesos-master.sh.in >>>>>>> -rw-r--r--. 1 stack stack 1521 Jul 17 23:14 gdb-mesos-local.sh.in >>>>>>> drwxr-xr-x. 2 stack stack 4096 Jul 17 23:21 . >>>>>>> drwxr-xr-x. 11 stack stack 4096 Sep 4 20:08 .. >>>>>>> >>>>>>> So .. two things: >>>>>>> >>>>>>> (a) what is missing from the installation instructions? >>>>>>> >>>>>>> (b) Is there an *up to date *rpm/yum installation for centos7? >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>> >>> >> >
