Well, you could explicitly export HOME=/root then, that should make it go away. I think it's normally only present in a login shell. Jan > On 06 Aug 2015, at 17:51, Josh Durgin <jdurgin@xxxxxxxxxx> wrote: > > On 08/06/2015 03:10 AM, Daleep Bais wrote: >> Hi, >> >> Whenever I restart or check the logs for OSD, MON, I get below warning >> message.. >> >> I am running a test cluster of 09 OSD's and 03 MON nodes. >> >> [ceph-node1][WARNIN] libust[3549/3549]: Warning: HOME environment >> variable not set. Disabling LTTng-UST per-user tracing. (in >> setup_local_apps() at lttng-ust-comm.c:375) > > In short: this is harmless, you can ignore it. > > liblttng-ust tries to listen for control commands from lttng-sessiond > in a few places by default, including under $HOME. It does this via a > shared mmaped file. If you were interested in tracing as a non-root > user, you could set LTTNG_HOME to a place that was usable, like /var/lib > /ceph/. Since ceph daemons run as root today, this is irrelevant, and > you can still use lttng as root just fine. Unfortunately there's no > simple to silence liblttng-ust about this. > > Josh > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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