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Forum Discussion
[RN104] How to set up UPS monitoring?
Via searching I've come across several posts that address only parts of what I'd like to do, but aren't applicable to the task as a whole. Here's my setup: RN104 Hyper-V 2012 R2 (Server Cor...
Have you had a look at this article?: http://home.bott.ca/webserver/?p=466
iSCSI on the 104 is sutiable for light use. Configuring them correctly for the use case is also important. What are your LUNs used for?
mdgm wrote:Have you had a look at this article?: http://home.bott.ca/webserver/?p=466
iSCSI on the 104 is sutiable for light use. Configuring them correctly for the use case is also important. What are your LUNs used for?I saw that article, yes. It's one of the ones that's not applicable. On the RN104/OS6 the configuration screen is different than the instructions there—it doesn't provide a field for an IP address.
So right off the bat I'm sent looking elsewhere. Trouble is, I'm not finding anything that quite matches my scenario—a non-networkable UPS attached to a ReadyNAS that needs to shut down AFTER the server.
Also, the shutdown configuration dialog on the NAS is based on percentage of power remaining—I need both shutdowns to be based on duration. Time, not capacity.
I'm using the LUNs for nightly backup storage only. Some of my VM OSs want to see a local drive for their backup targets—I can't do it with UNC paths.
Thanks,
Jeff Bowman
Fairbanks, AlaskaIf this was two ReadyNAS, I'd suggest setting a manual shutdown setting on the NAS accessing the UPS over the network. For instance, setting the shutdown threshold at 30%, but use automatic (or perhaps 10%) on the directly connected NAS.
If you could install NUT on the server, you could perhaps do the same.
Of course you'd need to test it. My usual suggestion is to connect the UPS power to a dummy load (not the actual devices). Then pull the plug, and see if you have enough margin on the two shutdowns.
Hi Stephen, how are you?
StephenB wrote:If this was two ReadyNAS, I'd suggest setting a manual shutdown setting on the NAS accessing the UPS over the network. For instance, setting the shutdown threshold at 30%, but use automatic (or perhaps 10%) on the directly connected NAS.
I suppose I could live with percentage as the criteria, as long as the two are the same. But time on one and percentage on the other won't mix.
StephenB wrote:If you could install NUT on the server, you could perhaps do the same.
Sounds nice, but that's just it—how can the server talk to the UPS (again, the non-networked UPS) that's plugged into the NAS' USB port, especially since there's no way in the UI to specify an IP address?
Correct me if I'm mistaken, but that sounds like square one to me—getting the devices to talk to each other in the first place.
StephenB wrote:Of course you'd need to test it. My usual suggestion is to connect the UPS power to a dummy load (not the actual devices). Then pull the plug, and see if you have enough margin on the two shutdowns.
Not to be a thick-head, but if we don't test with the actual devices how can we get a correct test?
Thanks,
Jeff Bowman
Fairbanks, Alaska
mdgm wrote:iSCSI on the 104 is sutiable for light use. Configuring them correctly for the use case is also important. What are your LUNs used for?
I'm using the LUNs for nightly backup storage only. Some of my VM OSs want to see a local drive for their backup targets—I can't do it with UNC paths.
Hi mdgm
I'm interested in your assessment on my configuration, with regard to LUNs on the RN104. As you say, the 104 isn't built for heavy iSCSI use—but I'm only using it to store nightly backups. It's been up and running for about a month and so far it hasn't given me trouble.
What do you think?
Thanks,
Jeff Bowman
Fairbanks, Alaska
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