[rrd-users] Re: multiple hosts, one RRD?
jeff at unixisgod.com
Wed Dec 17 20:56:57 MET 2003
Matthew Boeckman wrote:
>Question for the group that I haven't found an answer to in the
>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.
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