[CentOS] Power Fail Protection Update II

2017-08-18 Thread Chris Olson
Many thanks once again to those that responded to my original posting (and my follow up message) with information about Network UPS Tools, other Linux-based tools like rtcwake, and commercial UPS products. We have quite a bit more evaluation and testing work to do before a power fail protection

Re: [CentOS] Power Fail Protection Update

2017-08-17 Thread ken
On 08/16/2017 02:31 PM, John R Pierce wrote: in general, there's two power save states, 'Standby' aka 'Sleep', where the system state is held in RAM, but the CPU and peripherals is shut down and sleeping, and "Hibernate" where the ram is saved to disk and the system is completely powered down.

Re: [CentOS] Power Fail Protection Update

2017-08-16 Thread John R Pierce
On 8/16/2017 7:49 AM, Chris Olson wrote: Many thanks to those that responded to my original posting with information about Network UPS Tools and commercial UPS products. In our planning a path forward to implement UPS-based power fail protection, we have come across what appears to be an issue

Re: [CentOS] Power Fail Protection Update

2017-08-16 Thread Chris Murphy
On Wed, Aug 16, 2017 at 8:49 AM, Chris Olson wrote: > Many thanks to those that responded to my original posting with > information about Network UPS Tools and commercial UPS products. > > In our planning a path forward to implement UPS-based power fail > protection, we

[CentOS] Power Fail Protection Update

2017-08-16 Thread Chris Olson
Many thanks to those that responded to my original posting with information about Network UPS Tools and commercial UPS products. In our planning a path forward to implement UPS-based power fail protection, we have come across what appears to be an issue with the state of the CentOS 6 machines