On 09/07/2018 11:41 AM, Klaus Wenninger wrote: > On 09/06/2018 10:47 PM, Digimer wrote: >> On 2018-09-06 04:33 PM, Marcos Renato da Silva Junior wrote: >>> Hi, >>> >>> I created a testing environment based on Raspberry Pi (attached >>> diagram), in my tests it has worked well, but I did not implement >>> anything about fencing and stonith, what is the need and how to implement? >>> >>> Thanks, >>> >>> Marcos. >> It depends on the hardware you have available. In your case, RPi has no >> IPMI or similar feature, so you'll need something external, like a >> switched PDU. I like the APC AP7900 (or your countries variant), which >> you can often get used for a decent price if this isn't a production system. >> >> http://www.apc.com/shop/us/en/products/Rack-PDU-Switched-1U-15A-100-120V-85-15/P-AP7900 >> >> > For a test-environment switching mains might be an overkill. > And it makes the nice and tiny test-environment a lot less > nice and tiny ;-) > Anyway the scenario made me google a little bit. > e.g.: https://www.yepkit.com/products/ykush
Some code and a list of alternative devices: https://github.com/mvp/uhubctl > is what I stumbled over. > Add a RPi to it and you have IP-controlled USB-power. > (Guess I have to order one to play with ;-) ) > > On the other hand iirc the Broadcom-SOC found in the RPi > has a hardware-watchdog the linux-kernel has a driver > for. So you might consider going for SBD (no shared disk) > with watchdog-fencing as well. > But that would require you to add a 3rd node (or some > kind of shared disk). > Andrew's blog article is a nice introduction: > http://blog.clusterlabs.org/blog/2015/sbd-fun-and-profit > > Klaus > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > https://lists.clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Users mailing list: Users@clusterlabs.org https://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org