[hobbit] Migrating BB rrd data to Hobbit

[Thomas]

Sounds like you did not read the migration guide ? There is a moverrd.sh 
script in the source hobbitd dir that will move all your old RRD files 
to the hobbit installation and reorder them for you.

Regards, Thomas

Charles Jones wrote:
> It would be nice if Hobbit came with a tool, that you could run on 
> your bb servers rrd directory, or a copy of it, and it would 
> automagically copy the data to the host-based subdirs that hobbit uses.
>
> I have a BB server that has been running for about 1.5 years. I have a 
> Hobbit server I have been running in unison for several months, (via 
> the BBRELAY option on the bb server).  Soon I am going to totally 
> decommission the bb server and use only the Hobbit server.
>
> However, I do not wish to lose the trends history that the bb server 
> has. Is there any sort of tool to migrate the rrd data from bb to 
> hobbit? I started doing it manually, and it wasn't very fun.
>
> The method I used to move the memory rrd data over is:
>
> First off, I noticed that the directory structure of the 
> ~hobbit/data/rrd directories and files  is different from the 
> ~bb/bbvar/rrd directories and files:
>
> [*hobbit*]$ ls data/rrd/host.my-domain.net  #Note that hobbit stores 
> the rrds in subdirs
> disk,bigdisk.rrd   *memory.physical.rrd*  tcp.http.host.my-domain.net,.rrd
> disk,boot.rrd      *memory.real.rrd*      tcp.http.host.my-domain.net.rrd
> disk,root.rrd      *memory.swap.rrd*      tcp.ssh.rrd
> la.rrd             procs.rrd            users.rrd
> *memory.actual.rrd*  tcp.conn.rrd
> (Hmm it looks like there is a duplicate 
> tcp.http.host.my-domain.net,|.rrd? No idea where that came from, but I 
> digress.)
>
> [*bbhost*]$ ls bbvar/rrd |grep host     #Note that bb stores all of 
> the rrds in one dir
> host.my-domain.net.disk,bigdisk.rrd
> host.my-domain.net.disk,boot.rrd
> host.my-domain.net.disk,root.rrd
> host.my-domain.net.la.rrd
> *host,my-domain,net.memory.actual.rrd
> host,my-domain,net.memory.physical.rrd
> host,my-domain,net.memory.real.rrd
> host,my-domain,net.memory.swap.rrd*
> host.my-domain.net.procs.rrd
> host.my-domain.net.tcp.conn.rrd
> host.my-domain.net.tcp.http.host.my-domain.net.rrd
> host.my-domain.net.tcp.ssh.rrd
> host.my-domain.net.users.rrd
>
> So it looks like on the bbhost, for some reason, the host name is 
> comma delimited....but only for the memory rrd files? This is strange. 
> Ah well I just need to get them to the hobbit server, and with the 
> proper filenames, and in the proper subdirs. So I scp'd all of the 
> memory rrd files to the hobbit server into /tmp/mem, and then:
>
> [hobbit] $ cd ~hobbit/data/rrd; for hostdir in `ls`; do BBHOST=`echo 
> $hostdir|sed 's/\./,/g'`; cp -vf /tmp/mem/$BBHOST.memory.real.rrd 
> $hostdir/memory.real.rrd; done 
>
>  I repeated this command for the "swap", "actual", and "real" files.
> The sed command was to generate the comma-delimited filenames I needed 
> to find the files. This command copied all of the memory rrd files 
> into the proper subdirs.
>
> I'm not sure why only the memory rrd files on my bb server are 
> comma-delimited.  Maybe some misconfiguration I did in the past? The 
> memory graphs look normal in the trends column though...ah well.
>