thanks, lttng should be a good option, i'll try it. 2016-01-28 22:50 GMT+08:00 Haomai Wang <haomai@xxxxxxxx>: > On Thu, Jan 28, 2016 at 10:45 PM, huang jun <hjwsm1989@xxxxxxxxx> wrote: >> we run ceph version 0.94.5, and use the root. >> The use case is tgt + librbd, >> i want to record all operations used by tgt during format, write, read, delete. > > actually you can use lttng + rbd-replay to get it > >> >> >> 2016-01-28 22:41 GMT+08:00 Wido den Hollander <wido@xxxxxxxx>: >>> >>> >>> On 28-01-16 15:33, huang jun wrote: >>>> hi,all >>>> I want to get debug log when using librados/librbd, >>>> set client section in ceph.conf: >>>> [client] >>>> debug_rbd = 20 >>>> debug_objecter = 20 >>>> log_file = /var/log/ceph/ceph.rbd.log >>>> >>>> that not work, file "/var/log/ceph/ceph.rbd.log" does not exist at all. >>>> Any ideas? >>>> >>> >>> Does the user under which you run the client have access to /var/log/ceph? >>> >>> You might want to try /tmp for a test. >>> >>> Wido >> >> >> >> -- >> thanks >> huangjun >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- thanks huangjun -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
