On Wed, 13 May 2015, huang jun wrote: > how to redirect the data.hexdump() to a log file,it's print to screen > when we use "tail -f /var/log/ceph/ceph-osd.x.log" dynamically > monitor the log file. i'm not familiar with ceph's debug system code, > so where should i begin? If debug ms = 20 in the [osd] section, it really should be logged there. You can verify the setting with ceph daemon osd.NNN config show | grep debug_ms The OSD doesn't generally log anything to stdout/stderr (except during startup)... sage > > 2015-05-13 1:06 GMT+08:00 huang jun <hjwsm1989@xxxxxxxxx>: > > ah, it's also at level 20 in v0.80.7, > > the control code is: > > > > ldout(cct, 20) << " "; > > data.hexdump(*_dout); > > *_dout << dendl; > > > > _dout is a ostream pointer, i think it should print to stdout or stderr, > > but seems i was wrong. > > > > 2015-05-13 0:57 GMT+08:00 Sage Weil <sage@xxxxxxxxxxxx>: > >> On Wed, 13 May 2015, huang jun wrote: > >>> we use 0.80.7 version, do you mean the newer ceph release will print > >>> the message content to log file if we set debug_ms=20? > >> > >> I mean I verified that current master prints at level 20, but maybe 0.80.7 > >> doesn't.. I didn't check :) > >> > >>> > >>> 2015-05-13 0:37 GMT+08:00 Sage Weil <sage@xxxxxxxxxxxx>: > >>> > On Tue, 12 May 2015, huang jun wrote: > >>> >> hi,all > >>> >> we see the bad data crc warning and we have set debug_ms=20, but the > >>> >> message body doesn't logged into /var/log/ceph/ceph-osd.x.log file. > >>> >> Did i miss something? or i need to change the buffer::list::hexdump() > >>> >> function and recompile it? > >>> > > >>> > Hrm, it should be there at level 20. Unless that was added in a version > >>> > newer than what you're running? > >>> > > >>> > sage > >>> > >>> > >>> > >>> -- > >>> thanks > >>> huangjun > >>> > >>> > > > > > > > > -- > > thanks > > huangjun > > > > -- > 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 > > -- 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
