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This manual should give you an overview of some common Round Robin Database (RRD) issues we have seen over time. You can use this as a kind of checklist to go through for troubleshooting step by step. |
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HOST: RRD-a
ERROR: 'NoneType' object has no attribute 'replace' |
Follow the manual for resolution https://checkmk.atlassian.net/wiki/spaces/KB/pages/9471047/Error+during+the+RRD+conversion#ErrorduringtheRRDconversion-'NoneType'objecthasnoattribute'replace'' manual Troubleshooting errors during the RRD conversion'' for resolution
'ASCII' codec can't decode characters
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OMD[mysite]:~$ cmk --convert-rrds localhost
Traceback (most recent call last):
File "/omd/sites/rrd/bin/cmk", line 94, in <module>
exit_status = modes.call(mode_name, mode_args, opts, args)
File "/omd/sites/rrd/lib/python/cmk_base/modes/__init__.py", line 72, in call
return mode.handler_function(*handler_args)
File "/omd/sites/rrd/lib/python/cmk_base/modes/cee.py", line 147, in mode_convert_rrds
rrd.do_convert_rrds(*args)
File "/omd/sites/rrd/lib/python/cmk_base/cee/rrd.py", line 413, in do_convert_rrds
convert_rrds_of_host(hostname)
File "/omd/sites/rrd/lib/python/cmk_base/cee/rrd.py", line 428, in convert_rrds_of_host
console.error(" %sERROR: %s%s\n" % (tty.red + tty.bold, e, tty.normal))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 70-75: ordinal not in range(128) |
Follow the manual https://checkmk.atlassian.net/wiki/spaces/KB/pages/9471047/Error+during+the+RRD+conversion#ErrorduringtheRRDconversion-manual 'ASCII' codeccan'tdecodecharacterscodec can't decode characters for resolution
xml.etree.ElementTree.ParseError: no element found: line 1, column 0
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To get rid of that, please follow that manual: Error handling with RRD files after conversion to the new format
Cannot create a graph
It seems like the .rrd file is missing. Please double-check with the cmc.log:
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OMD[mysite]:~$ tail -f var/log/cmc.log 2022-06-02 12:09:41 [4] [main] [rrd] [rrdcached at /omd/sites/mysite/tmp/run/rrdcached.sock] >> -1 No such file: /opt/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/CPU_Utilization_Packet_CPU_1.rrd 2022-06-02 12:10:41 [4] [main] [rrd] [rrdcached at /omd/sites/mysite/tmp/run/rrdcached.sock] >> -1 No such file: /opt/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/CPU_Utilization_Mgmt_CPU.rrd 2022-06-02 12:10:41 [4] [main] [rrd] [rrdcached at /omd/sites/mysite/tmp/run/rrdcached.sock] >> -1 No such file: /opt/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/CPU_Utilization_Packet_CPU_0.rrd |
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