I have my OMV 5 installed in debian buster and I would like a way to put it into hibernation or sleep in one hour and wake up at another hour automatically on a daily basis but I have not found how to do it.
Can you recommend a pluging or a way or instructions to do it please?
This is one way:
This is one way:
I want him to turn off daily at 1am and wake up daily at 7am
rtcwake -m off -t $(date -d "everyday 7:00" +%s)
is fine?
rtcwake -m off -t $(date -d "today 7:00" +%s)
and execute the command as scheduled job at 1 AM.
is this will be good for everyday?
You need to disable "every n hour" and "every n minute".
I have done several tests and, when the time has come yes the machine shut up or turns off but never turn on again: this is what always happens to me with the rtcwakeup o wol plugin
code example I've been using
what iam doin wrong?
For me, not working.
I have WOL installed.
Are you trying this on the RPI?
Then you have to add a real time clock (hardware).
It's a RPI, as you can see in my signature.
I don't know what is a real time clock (hardware) and how to achive that.
Maybe not for my level of knowledge but that's okay.
I don't know what is a real time clock (hardware) and how to achive that.
It´s a daughter board for the RPI, which keeps the time when power is off.
See here: Adding a Real Time Clock to Raspberry Pi
It seems a little complicated.
I will study the topic calmly and patiently and try to achieve the goal.
Thank you very much for this tip.
Think about the power consumption of an RPi. It is very low. Probably the investment for a RTC module does not pay off. Keep the RPi running 24/7 and enjoy the instant availability of the NAS.
You can achieve most power saving by spinning downs the drives, when not needed.
Thank you for the advice 'macom'.
I have been using OMV for a few years in a basic with no problems, but very useful way for me.
Despite my limitations in linux i am a little curious and i will study the topic.
Thanks a lot.
See here: Adding a Real Time Clock to Raspberry Pi
Currently I have my rpi 4 running 24/7 and I think the energy consumption is too low to leave it like that, however it is good to know that there is the option of adding a hardware with a battery like that ...
On the other hand
You can achieve most power saving by spinning downs the drives, when not needed.
This yes I am interested in how to do it for my server because I think it would increase the life of my hard drives by lowering their spinnings at the same time as lowering consumption at times of the day that it is not used...
how could i do that?
There is some controversy whether or not spinning down a hdd increases or decreases the lifetime. For sure it should not be done too often. I would adjust the timing so, that you have not more than 2-4 spin ups per day. But this is really a gut feeling. I have no proof for this. Others prefer to never spin their drives down.
How to do it?
As you have an RPi you have the drives in some enclosure and connect them to the RPi by USB. In this enclosure you have a controller that is managing the drive. One possibility is, that this controller is able to do a spin down after some time the drive have not be accessed. You need to check the documentation for that.
Test this option first.
If that is not working you can try another option in OMV to configure a program that is called hdparm. That might or might not work with your drives (due to the controller):
Go to the GUI of OMV and then
Storage >> Disks >> select a disk >> press "Edit" >> a new windows opens
Select the values like in the picture and press "Save" and then "Apply"
For the power management do not use smaller values. You might safe some more power, but will increase the stress on your drive.
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