Re: [Ganglia-general] rrdcached /gmetad permission problems after update.

2016-02-23 Thread Vladimir Vuksan 

  
  
I don't think it depends on a version.
  I assume anything 1.4.x will work.
  
  Vladimir
  
  02/23/2016 u 10:50 AM, Grigory Shamov je napisao/la:


  
  Dear Adrian, Vladimir,
  
  
  Thank you very much for the answers! 
  
  
  Does it depend on rrdtools/rrdcached version? Which one are
you using ?
  
  
  

  
-- 
Grigory Shamov
  
  Westgrid/ComputeCanada Site Lead
  University of Manitoba
  E2-588 EITC Building, 
  (204) 474-9625
  
  
  
  

  
  
  
  

  From: Vladimir Vuksan
  
  Date: Tuesday, 23
  February, 2016 8:57 AM
  To: Adrian Sevcenco
  ,
  "ganglia-general@lists.sourceforge.net"
  ,

  Grigory Shamov 
  Subject: Re:
  [Ganglia-general] rrdcached /gmetad permission problems after
  update.




  
Another thing to try is to
  switch over to using TCP for rrdcached connections since
  that avoids contention on the rrdcached socket and should
  avoid some of the permissions issues. For example I am
  using following options
  
  OPTS=" -t 60 -w 180 -z 180 -F -s ganglia -m 664 -l
  127.0.0.1:9998 -s ganglia -m 777 -P FLUSH,STATS,HELP -l
  unix:/tmp/rrdcached.limited.sock -b /var/lib/ganglia/rrds
  -B -p /var/lib/ganglia/rrdcached.pid
  
  In the gmetad.conf you can then add
  
  rrdcached_address 127.0.0.1:9998
  
  Vladimir
  
  02/23/2016 u 09:34 AM, Adrian Sevcenco je napisao/la:


  On 02/22/2016 10:32 PM, Grigory Shamov wrote:

  
Hi All,

I have updated Gmond/Gmetad to 3.7.2 on our Ganglia server that uses also
RRDCached. 
It used to work, and configuration didn't  change, but bow metrics do not
get into the graphs anymore.
In the logs there is a lot of messages about permissions, and a new kind
of message about imuxsock thing:

Feb 22 13:18:40 host /usr/sbin/gmetad[3554]: RRD_update
(/var/lib/ganglia/rrds/Grex/__SummaryInfo__/rx_bytes_ib0.rrd): rrdcached:
Permission denied.
Feb 22 13:18:40 host rsyslogd-2177: imuxsock begins to drop messages from
pid 3554 due to rate-limiting

Does anyone know how to fix it? Thank you very much in advance!

  
  I had the same problem (and partially i still have one) ..
So :
1. that "drop messages" message is because of the write errors .. you
can ignore that

2. the problem is with rrdcached .. i tried with making part of group
ganglia, change ownership of rrds to ganglia:rrdcached but had the same
errors ... in the end i had to make the rrds dir 777 and i get rid of errors

3. ganglia web does not function with the rrdcached limited socket so i
had to use the same full socket that gmetad use ... i hope that nothing
bad will happen but i have no other choice...

HTH,
Adrian


  
  
  
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Re: [Ganglia-general] rrdcached /gmetad permission problems after update.

2016-02-23 Thread Grigory Shamov 
Dear Adrian, Vladimir,

Thank you very much for the answers!

Does it depend on rrdtools/rrdcached version? Which one are you using ?

--
Grigory Shamov
Westgrid/ComputeCanada Site Lead
University of Manitoba
E2-588 EITC Building,
(204) 474-9625



From: Vladimir Vuksan >
Date: Tuesday, 23 February, 2016 8:57 AM
To: Adrian Sevcenco >, 
"ganglia-general@lists.sourceforge.net"
 
>,
 Grigory Shamov 
>
Subject: Re: [Ganglia-general] rrdcached /gmetad permission problems after 
update.

Another thing to try is to switch over to using TCP for rrdcached connections 
since that avoids contention on the rrdcached socket and should avoid some of 
the permissions issues. For example I am using following options

OPTS=" -t 60 -w 180 -z 180 -F -s ganglia -m 664 -l 127.0.0.1:9998 -s ganglia -m 
777 -P FLUSH,STATS,HELP -l unix:/tmp/rrdcached.limited.sock -b 
/var/lib/ganglia/rrds -B -p /var/lib/ganglia/rrdcached.pid

In the gmetad.conf you can then add

rrdcached_address 127.0.0.1:9998

Vladimir

02/23/2016 u 09:34 AM, Adrian Sevcenco je napisao/la:

On 02/22/2016 10:32 PM, Grigory Shamov wrote:


Hi All,

I have updated Gmond/Gmetad to 3.7.2 on our Ganglia server that uses also
RRDCached.
It used to work, and configuration didn't  change, but bow metrics do not
get into the graphs anymore.
In the logs there is a lot of messages about permissions, and a new kind
of message about imuxsock thing:

Feb 22 13:18:40 host /usr/sbin/gmetad[3554]: RRD_update
(/var/lib/ganglia/rrds/Grex/__SummaryInfo__/rx_bytes_ib0.rrd): rrdcached:
Permission denied.
Feb 22 13:18:40 host rsyslogd-2177: imuxsock begins to drop messages from
pid 3554 due to rate-limiting

Does anyone know how to fix it? Thank you very much in advance!


I had the same problem (and partially i still have one) ..
So :
1. that "drop messages" message is because of the write errors .. you
can ignore that

2. the problem is with rrdcached .. i tried with making part of group
ganglia, change ownership of rrds to ganglia:rrdcached but had the same
errors ... in the end i had to make the rrds dir 777 and i get rid of errors

3. ganglia web does not function with the rrdcached limited socket so i
had to use the same full socket that gmetad use ... i hope that nothing
bad will happen but i have no other choice...

HTH,
Adrian





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Re: [Ganglia-general] rrdcached /gmetad permission problems after update.

2016-02-23 Thread Vladimir Vuksan 

  
  
Another thing to try is to switch over
  to using TCP for rrdcached connections since that avoids
  contention on the rrdcached socket and should avoid some of the
  permissions issues. For example I am using following options
  
  OPTS=" -t 60 -w 180 -z 180 -F -s ganglia -m 664 -l 127.0.0.1:9998
  -s ganglia -m 777 -P FLUSH,STATS,HELP -l
  unix:/tmp/rrdcached.limited.sock -b /var/lib/ganglia/rrds -B -p
  /var/lib/ganglia/rrdcached.pid
  
  In the gmetad.conf you can then add
  
  rrdcached_address 127.0.0.1:9998
  
  Vladimir
  
  02/23/2016 u 09:34 AM, Adrian Sevcenco je napisao/la:


  On 02/22/2016 10:32 PM, Grigory Shamov wrote:

  
Hi All,

I have updated Gmond/Gmetad to 3.7.2 on our Ganglia server that uses also
RRDCached. 
It used to work, and configuration didn't  change, but bow metrics do not
get into the graphs anymore.
In the logs there is a lot of messages about permissions, and a new kind
of message about imuxsock thing:

Feb 22 13:18:40 host /usr/sbin/gmetad[3554]: RRD_update
(/var/lib/ganglia/rrds/Grex/__SummaryInfo__/rx_bytes_ib0.rrd): rrdcached:
Permission denied.
Feb 22 13:18:40 host rsyslogd-2177: imuxsock begins to drop messages from
pid 3554 due to rate-limiting

Does anyone know how to fix it? Thank you very much in advance!

  
  I had the same problem (and partially i still have one) ..
So :
1. that "drop messages" message is because of the write errors .. you
can ignore that

2. the problem is with rrdcached .. i tried with making part of group
ganglia, change ownership of rrds to ganglia:rrdcached but had the same
errors ... in the end i had to make the rrds dir 777 and i get rid of errors

3. ganglia web does not function with the rrdcached limited socket so i
had to use the same full socket that gmetad use ... i hope that nothing
bad will happen but i have no other choice...

HTH,
Adrian


  
  
  
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Re: [Ganglia-general] rrdcached /gmetad permission problems after update.

2016-02-23 Thread Adrian Sevcenco 
On 02/22/2016 10:32 PM, Grigory Shamov wrote:
> Hi All,
> 
> I have updated Gmond/Gmetad to 3.7.2 on our Ganglia server that uses also
> RRDCached. 
> It used to work, and configuration didn't  change, but bow metrics do not
> get into the graphs anymore.
> In the logs there is a lot of messages about permissions, and a new kind
> of message about imuxsock thing:
> 
> Feb 22 13:18:40 host /usr/sbin/gmetad[3554]: RRD_update
> (/var/lib/ganglia/rrds/Grex/__SummaryInfo__/rx_bytes_ib0.rrd): rrdcached:
> Permission denied.
> Feb 22 13:18:40 host rsyslogd-2177: imuxsock begins to drop messages from
> pid 3554 due to rate-limiting
> 
> Does anyone know how to fix it? Thank you very much in advance!
I had the same problem (and partially i still have one) ..
So :
1. that "drop messages" message is because of the write errors .. you
can ignore that

2. the problem is with rrdcached .. i tried with making part of group
ganglia, change ownership of rrds to ganglia:rrdcached but had the same
errors ... in the end i had to make the rrds dir 777 and i get rid of errors

3. ganglia web does not function with the rrdcached limited socket so i
had to use the same full socket that gmetad use ... i hope that nothing
bad will happen but i have no other choice...

HTH,
Adrian



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