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Forum Discussion
Sandshark
Jul 22, 2018Sensei - Experienced User
ReadyNAS and the Eaton Network Card MS (Ethenet option card for Eaton UPS's)
Has anyone had any luck using the Eaton Network card MS with the ReadyNAS and OS 6.x? There is another post where somebody was trying and failing, and there is no resolution; but the subject really didn't address the problem, so many may have ignored it. I'm having some issues with my one NAS that's hooked to the UPS properly communicating with the other two NASs that aslo use the UPS. So, I thought that connecting them all to the UPS via a Network Card MS and Ethernat might be the solution. But before I shell out for the card, I'm wondering if anyone has had any luck getting this combination to work. And, if so, what are SNMP MIB you are using.
This would be with an Eaton 5P1500 Tower, if it makes a difference.
3 Replies
- SandsharkSensei - Experienced User
I did something different (and cheaper). I installed Eaton Power Protector on the NASes. See How-I-installed-Eaton-Power-Protector-on-my-NASes. I believe this will work in the two-UPS scenario as well. Either both UPS on one NAS via two USB ports or one on each NAS, but I have not tried it. IPP does let you set more than one power source, see the chapter in the IPP manual on redundancy.
If you do try it, please add the info here and/or in the thread linked above. Hopefull, how it succedded, not that it failed. But either is good to know.
- Retired_Member
Hi Sandshark, your post is pretty interesting to me, as I'm currently using 2 NAS hooked up to two UPS (APC UPS Backups ES 700) to support proper communication.
Using just one UPS would have the advantage of getting rid of one box, cabling etc. However, it also would lead to a single point of failure hooking up everything to the same ups. I had a dead battery in one of the ups some weeks ago and was happy to have a second ups, while bringing the spare battery to live in the first ups. Still thinking, whether finally for me there is an advantage to adopt your approach.
I have no solution, though. But after researching the Eaton 5P1500 it looks like using a Network Card MS in it seems to be a standard solution. Why not trying to buy a used one to minimze the potential damage, if possible.
If you decide to go for that, please share the outcome with the community. Oh, by the way, would you mind sharing the link to that post you are mentioning "There is another post...". Thanks in advance and kind regards
- StephenBGuru - Experienced User
FWIW, I have several NAS, and some do use a shared UPS. I'm doing that with NUT (using the built in remote monitoring feature). Either way, you do need to protect the switch too, since if ethernet drops the NAS won't know when to shut down. You don't need to protect the router, as the switch is forwarding packets based on the destination mac address in the ethernet frames.
I agree that you'd get an unclean shutdown if the UPS monitoring (or the UPS itself) failed. I haven't seen that happen, but in my own case my main NAS and my primary backup are connected to different UPS.
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