Yes, the socket will be created and will remain as long as librbd is running -- in the case of QEMU, it should be available for as long as the VM is running. On Fri, Jul 1, 2016 at 2:42 PM, Deneau, Tom <tom.deneau@xxxxxxx> wrote: > Thanks, Jason-- > > Turns out AppArmor was indeed enabled (I was not aware of that). > Disabled it and now I see the socket but it seems to only be there > temporarily while some client app is running. > > The original reason I wanted to use this socket was that I am also > using an rbd images thru kvm and I wanted to be able to flush and > invalidate the rbd cache as an experiment. > > I would have thought the socket would get created and stay there as > long as kvm is active (since kvm is using librbd). But even when I > access the rbd disk from the VM, I don't see any socket created at all. > > -- Tom > > >> -----Original Message----- >> From: Jason Dillaman [mailto:jdillama@xxxxxxxxxx] >> Sent: Thursday, June 30, 2016 6:15 PM >> To: Deneau, Tom <tom.deneau@xxxxxxx> >> Cc: ceph-users <ceph-users@xxxxxxxx> >> Subject: Re: rbd cache command thru admin socket >> >> Can you check the permissions on "/var/run/ceph/" and ensure that the user >> your client runs under has permissions to access the directory? >> If the permissions are OK, do you have SElinux or AppArmor enabled and >> enforcing? >> >> On Thu, Jun 30, 2016 at 5:37 PM, Deneau, Tom <tom.deneau@xxxxxxx> wrote: >> > I was following the instructions in >> > >> > https://www.sebastien-han.fr/blog/2015/09/02/ceph-validate-that-the-rb >> > d-cache-is-active/ >> > >> > because I wanted to look at some of the rbd cache state and possibly >> > flush and invalidate it >> > >> > My ceph.conf has >> > [client] >> > rbd default features = 1 >> > rbd default format = 2 >> > admin socket = /var/run/ceph/$cluster-$type.$id.$pid.$cctid.asok >> > log file = /var/log/ceph/ >> > >> > I have a client only node (no osds) and on that node I ran fio with the >> librbd engine, which worked fine. But I did not see anything in >> /var/run/ceph on that client node. Is there something else I have to do? >> > >> > -- Tom Deneau, AMD >> > >> > >> > _______________________________________________ >> > ceph-users mailing list >> > ceph-users@xxxxxxxxxxxxxx >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> >> >> -- >> Jason -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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