Can you also please post the output of these commands for a working and a non-working host?
$ cat /proc/cgroups $ cat /proc/mounts Are you running inside a Docker or systemd container? On Tue, Dec 16, 2014 at 11:22 AM, Benjamin Mahler <[email protected] > wrote: > > +Tim Chen (please chime in if I'm missing something) > > Sorry for the delay, from a quick glance it looks like the > DockerContainerizer it a bit less liberal in the setting up of cgroups if > they are not mounted on the machine. I'm curious, if you remove "docker" > from the containerizers flag, does it work? > > Otherwise, you can try mount the cgroups manually, as suggested by the > error message. > > Feel free to file a ticket to capture this! > > Hope this helps, > Ben > > On Fri, Dec 12, 2014 at 1:55 AM, Tinco Andringa <[email protected]> wrote: >> >> Hi, I'm provisioning a mesos cluster and on two of my machines I get the >> following error when starting mesos-slave: >> >> oot@web1:~# /usr/local/sbin/mesos-slave >> --master=zk://localhost:2181/mesos --log_dir=/var/log/mesos >> --isolation=cgroups/cpu,cgroups/mem --containerizers=docker,mesos >> --executor_registration_timeout=5mins --work_dir=/var/run/work >> I1212 10:46:30.782308 32590 logging.cpp:172] INFO level logging started! >> I1212 10:46:30.782580 32590 main.cpp:142] Build: 2014-11-22 05:29:13 by >> root >> I1212 10:46:30.782615 32590 main.cpp:144] Version: 0.21.0 >> I1212 10:46:30.782640 32590 main.cpp:147] Git tag: 0.21.0 >> I1212 10:46:30.782665 32590 main.cpp:151] Git SHA: >> ab8fa655d34e8e15a4290422df38a18db1c09b5b >> Failed to create a containerizer: Could not create DockerContainerizer: >> Failed to find a mounted cgroups hierarchy for the 'cpu' subsystem; you >> probably need to mount cgroups manually! >> >> I have four machines in total, on two machines, db1 and db2 everything >> runs fine and the slaves get added to the cluster. On web1 and web2 it >> fails and they don't appear in the cluster. I run the exact same command on >> each of the machines. Mesos-master runs fine on web1, web2 and db1. >> >> Obviously there's some difference between the web and db machines, but >> I'm really unclear on what that difference is specifically. Most of my chef >> scripts are ran on both types of machine, there's just some extra webserver >> stuff on the web machines, and some extra db stuff on the db machines. Db2 >> is the only node that doesn't run zookeeper or mesos-master. >> >> Any hints or tips to get closer to the root of the problem would be much >> appreciated, I'm not affraid to dive into the source a little if necessary. >> >> Kind regards, >> Tinco >> >
