thanks for the response On Mar 24, 2008, at 11:49 AM, Brad Nicholes wrote: >>>> On 3/24/2008 at 11:56 AM, in message > <[EMAIL PROTECTED]>, Doug Nordwall <[EMAIL PROTECTED] > > > wrote: >> So, I've run into a situation where there is quite a bit of data >> sitting on a lights out card that I'd like to get access to with >> ganglia. Since it supports IPMI, it seems like a great option, and >> I'd >> just use ipmitool. Every node has a lights out card, including an >> admin node that can see all of it >> >> 1) when running ipmitool on the local host to access the IPMI from >> the >> lights out card, it's brief (around a half a second for an sdr list), >> but kind of a serious hit (upwards of 10% cpu) to the node for what >> it's getting out of it. while it's not going to be accessed often >> (once every 10 minutes? 5 minutes?), I'd like to avoid that. >> > > Take a look at the new metric module interface for Ganglia 3.1. > This would allow you to write a module that interfaced with IPMI to > collection whatever metrics you want.
hrm, I seemed to have missed this. I am currently using the 3.1 branch, and I've written a couple of python modules for it. where might you suggest I take a look in the tree? > > >> 2) running ipmitool from the admin node produces no noticeable impact >> on the node, but sadly ganglia doesn't know that the data is coming >> from somewhere else, and there doesn't appear to be any way to tell >> ganglia (or gmetric for that matter) "hey, send this into the stream >> as belong to something else"... i.e. host spoofing. >> > > Gmetric does allow you to spoof. You should be able to collect the > metrics on the admin node and then spoof the managed node by > including the spoofing parameters. > I did not see this in any documentation, although I may be completely blind :) I see now that it's not listed everywhere that I looked, but it is in the code, so I can work with that. > Brad > > Doug Nordwall Unix Administrator EMSL Computer and Network Support Phone: (509)372-6776; Fax: (509)376-0420 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general
