Unable to post tags

As documentation says "Normally carbon will take care of this, it submits all-new series to the TagDB, and periodically re-submits all series to ensure that the TagDB is kept up to date". Did you tried to submit metric in carbon?
Like
echo "disk.used;rack=a1;datacenter=dc1;server=web01 300 $(date +%s)" | nc localhost 2003
?

Also `{"error": "near \",\": syntax error"}` is very strange error, there's no ',' symbol in your request. I tried to do the same on 1.1.1 from docker image - it works fine.

# echo "disk.used;rack=a1;datacenter=dc1;server=web01 600 $(date +%s)" | nc graphite 2003

# curl -s "http://graphite/tags?pretty=1"
[
  {
    "id": 1,
    "tag": "name"
  }
]

Does not seem to register the tags. And the metrics does not show either:

# curl "http://graphite/render?&target=disk.used&from=-5min&rawData=true"
disk.used,1516016460,1516016760,60|600.0,None,None,None,None

Yeah it seems strange.

What's GRAPHITE_URL in your carbon.conf ?
Should pointed to Graphite, e.g.
GRAPHITE_URL = http://graphite:80

GRAPHITE_URL = http://127.0.0.1

Is that OK?

Should be OK, if "curl -v http://127.0.0.1/render?&target=disk.used&from=-5min&rawData=true" is working.

[root@localhost ~]# echo "disk.used;rack=a1;datacenter=dc1;server=web01 600 $(date +%s)" | nc graphite 2003
[root@localhost ~]# echo "disk.used;rack=a1;datacenter=dc1;server=web01 600 $(date +%s) bogus" | nc graphite 2003

Corresponding lines in carbon listener.log file:

16/01/2018 10:33:43 :: MetricLineReceiver connection with 127.0.0.1:53046 established
16/01/2018 10:33:43 :: MetricLineReceiver connection with 127.0.0.1:53046 closed cleanly
16/01/2018 10:33:48 :: MetricLineReceiver connection with 127.0.0.1:53048 established
16/01/2018 10:33:48 :: invalid line received from client 127.0.0.1:53048, ignoring [disk.used;rack=a1;datacenter=dc1;server=web01 600 1516095228 bogus]
16/01/2018 10:33:48 :: MetricLineReceiver connection with 127.0.0.1:53048 closed cleanly

So it seems to work but no metrics and no tags are showing.

Yes it seems to be working:

# curl -v "http://127.0.0.1/render?&target=disk.used&from=-5min&rawData=true"
* About to connect() to 127.0.0.1 port 80 (#0)
* Trying 127.0.0.1... connected
* Connected to 127.0.0.1 (127.0.0.1) port 80 (#0)
> GET /render?&target=disk.used&from=-5min&rawData=true HTTP/1.1
> User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.21 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2
> Host: 127.0.0.1
> Accept: */*
>
< HTTP/1.1 200 OK
< Date: Tue, 16 Jan 2018 09:36:11 GMT
< Server: Apache/2.4.25 (Red Hat) mod_wsgi/4.5.13 Python/2.7
< Content-Length: 60
< Expires: Tue, 16 Jan 2018 09:37:11 GMT
< Cache-Control: max-age=60
< Access-Control-Allow-Origin: *
< Access-Control-Allow-Methods: GET, OPTIONS
< Access-Control-Allow-Headers: origin, authorization, accept
< Content-Type: text/plain; charset=UTF-8
<
disk.used,1516095120,1516095420,60|None,None,None,None,None
* Connection #0 to host 127.0.0.1 left intact
* Closing connection #0

Do you have `/opt/graphite/storage/whisper/_tagged` directory created?
Does carbon was also upgraded to 1.1.x version?

Everything is looks fine, should be working.

Hi, yes that directory exists. Here is what I see in it:

/opt/vgt/graphite/storage/whisper/_tagged/e9a/90f/disk_DOT_used\;datacenter\=dc1\;rack\=a1\;server\=web01.wsp

I can also see the _tagged directory in the graphite-web browser.

Maybe it is because I am installing graphite in a custom location:

/opt/vgt/graphite

Tags data is stored in database, path shouldn't have matter

The problem was that I was running carbon-c-relay in front. My appologies for wasting your time. Thanks very much for your support.

It should be compatible, but you'll probably need to fix validation, indeed

There is work done on tag support in c-relay. It needs testing:

https://github.com/grobian/carbon-c-relay/issues/311