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

Re: [CentOS] Power Fail Protection

2017-08-14 Thread John R Pierce
On 8/14/2017 4:01 PM, Mark LaPierre wrote: You didn't say what brand/model of UPS you are using so I can't be specific. Check with the manufacturer of your UPS to see if they have an application that can communicate power status with your CPU. Many UPS devices are capable of signaling power

Re: [CentOS] Power Fail Protection

2017-08-14 Thread Mark LaPierre
On 08/08/17 19:50, Chris Olson wrote: > > Some of our largest systems run Windows because it supports engineering > applications that we use regularly. These applications have unattended > runs that often take between ten and fifteen hours to complete. We have > taken the recommendation of the

Re: [CentOS] Power Fail Protection

2017-08-08 Thread John R Pierce
On 8/8/2017 5:06 PM, John R Pierce wrote: NUT is in EPEL... oh, NUT supports virtually every UPS made, too. -- john r pierce, recycling bits in santa cruz ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Power Fail Protection

2017-08-08 Thread Valeri Galtsev
On Tue, August 8, 2017 6:50 pm, Chris Olson wrote: > > Some of our largest systems run Windows because it supports engineering > applications that we use regularly.  These applications have unattended > runs that often take between ten and fifteen hours to complete.  We have > taken the

Re: [CentOS] Power Fail Protection

2017-08-08 Thread John R Pierce
On 8/8/2017 4:50 PM, Chris Olson wrote: If we wanted to protect our CentOS systems from facility power failure in a similar way, is there operating system or other standard support that we might employ? Most of the Linux-based applications are not as critical as the engineering applications on