[rrd-users] Re: multiple hosts, one RRD?

[Jeff Rodriguez]

Matthew Boeckman wrote:

>Question for the group that I haven't found an answer to in the 
>archives/manual.
>
>I've got a handful of servers all sharing a common NFS mount, and want 
>to setup some RRD info coming from each server to go into a single 
>database. Each host will be sending it's info every 6 hours, and I guess 
>the main question is, can/does RRD have something that let's me queue 
>this stuff? Basically my concern is 4 hosts writing to the same file on 
>this NFS server. I can just use 4 seperate RRD files, but wanted to keep 
>it simpler and just have 4 different DS's.
>
>Sadly, NFS file locking is not an option in my environment.
>
>  
>
You might end up with problems with "could not lock RRD" since only one 
rrdtool instance can write to the file at once. What if you add a 
server? Frankly it's a pain in the ass to add DS's to an RRD. IMHO 
You're much better off using multiple RRDs.

Jeff

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