You must add this on node that You are running VM's and [client.libvirt] is name of user configured in VM. Additional if you run vm's as standard user, this user should have write permissions on /var/run/ceph/ directory. Regards, Mateusz -----Original Message----- From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of sinan@xxxxxxxx Sent: Tuesday, July 24, 2018 2:30 PM To: ceph-users@xxxxxxxxxxxxxx Subject: Re: Read/write statistics per RBD image Hi, On which node should we add the "admin socket" parameter to ceph.conf. On the MON, OSD or on what node? On one of my clients (which is the Ansible node in this case) has the following: [client.libvirt] admin socket = /var/run/ceph/$cluster-$type.$id.$pid.$cctid.asok # must be writable by QEMU and allowed by SELinux or AppArmor Permissions on the folder: 0 drwxrwx---. 2 ceph ceph 40 23 jul 11:27 ceph But /var/run/ceph is empty. Thanks! Sinan > Hello again, > > How can I determine $cctid for specific rbd name? Or is there any good > way to map admin-socket with rbd? > > Regards > > Mateusz > > > > From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf > Of Mateusz Skala (UST, POL) > Sent: Tuesday, July 24, 2018 9:49 AM > To: dillaman@xxxxxxxxxx > Cc: ceph-users@xxxxxxxxxxxxxx > Subject: [Possibly Forged Email] Re: Read/write > statistics per RBD image > > > > Thank You for help, it is exactly that I need. > > Regards > > Mateusz > > > > From: Jason Dillaman [mailto:jdillama@xxxxxxxxxx] > Sent: Wednesday, July 18, 2018 1:28 PM > To: Mateusz Skala (UST, POL) > <Mateusz.Skala@xxxxxxxxxxxxxx<mailto:Mateusz.Skala@xxxxxxxxxxxxxx>> > Cc: dillaman <dillaman@xxxxxxxxxx<mailto:dillaman@xxxxxxxxxx>>; > ceph-users > <ceph-users@xxxxxxxxxxxxxx<mailto:ceph-users@xxxxxxxxxxxxxx>> > Subject: Re: Read/write statistics per RBD image > > > > Yup, on the host running librbd, you just need to enable the "admin > socket" in your ceph.conf and then use "ceph --admin-daemon > /path/to/image/admin/socket.asok perf dump" (i.e. not "ceph perf dump"). > > > > See the example in this tip window [1] for how to configure for a > "libvirt" CephX user. > > > > [1] http://docs.ceph.com/docs/mimic/rbd/libvirt/#configuring-ceph > > > > On Wed, Jul 18, 2018 at 4:02 AM Mateusz Skala (UST, POL) > <Mateusz.Skala@xxxxxxxxxxxxxx<mailto:Mateusz.Skala@xxxxxxxxxxxxxx>> > wrote: > > Thanks for response. > > In ‘ceph perf dump’ there is no statistics for read/write > operations on specific RBD image, only for osd and total client > operations. I need to get statistics on one specific RBD image, to get > top used images. It is possible? > > Regards > > Mateusz > > > > From: Jason Dillaman > [mailto:jdillama@xxxxxxxxxx<mailto:jdillama@xxxxxxxxxx>] > Sent: Tuesday, July 17, 2018 3:29 PM > To: Mateusz Skala (UST, POL) > <Mateusz.Skala@xxxxxxxxxxxxxx<mailto:Mateusz.Skala@xxxxxxxxxxxxxx>> > Cc: ceph-users > <ceph-users@xxxxxxxxxxxxxx<mailto:ceph-users@xxxxxxxxxxxxxx>> > Subject: Re: Read/write statistics per RBD image > > > > Yes, you just need to enable the "admin socket" in your ceph.conf > and then use "ceph --admin-daemon /path/to/image/admin/socket.asok > perf dump". > > > > On Tue, Jul 17, 2018 at 8:53 AM Mateusz Skala (UST, POL) > <Mateusz.Skala@xxxxxxxxxxxxxx<mailto:Mateusz.Skala@xxxxxxxxxxxxxx>> > wrote: > > Hi, > > It is possible to get statistics of issued reads/writes to > specific RBD image? Best will be statistics like in /proc/diskstats in > linux. > > Regards > > Mateusz > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx<mailto: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 > _______________________________________________ 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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