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Hibernation without reduced power consumption?


BlackHawk1942
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Hi @ all,

 

I am on gnoboot 10.5 alpha / DSM 5-4458 update 1. If I can trust the protocoll of DSM my HDDs go into hibernation because if I log in after the hibernation time there is an entry "Internal disks woke up from hibernation" BUT I cant declare lower power consumption. Is that normal? I am unsing two WD Red 2TB in RAID1.

 

Thanks for all effort!

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Hibernating HDDs intend to make your HDDs live longer.

Hibernating the whole machine saves power.

However, hibernating the whole machine is not available for most 4 bays or more NAS models, since most of these are designed for enterprise use and should be powered on all the time.

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What are you using to measure power usage? Most 3.5" hard drives need 3-5 watts when spun up so it's definitely measurable. Also, you should be able to hear a noise different from your hard drives.

 

I am using a device from "Brennstuhl" which is very good and still show up very small values and I trust it. This is why I am asking. Is it possible that these messages come up even if nothing happens?

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What are you using to measure power usage? Most 3.5" hard drives need 3-5 watts when spun up so it's definitely measurable. Also, you should be able to hear a noise different from your hard drives.

 

I am using a device from "Brennstuhl" which is very good and still show up very small values and I trust it. This is why I am asking. Is it possible that these messages come up even if nothing happens?

 

That has not been what I've experienced. I only see these messages when HD hibernation is working and activity on the unit causes the internal disks woke up from hibernation message.

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What are you using to measure power usage? Most 3.5" hard drives need 3-5 watts when spun up so it's definitely measurable. Also, you should be able to hear a noise different from your hard drives.

 

I am using a device from "Brennstuhl" which is very good and still show up very small values and I trust it. This is why I am asking. Is it possible that these messages come up even if nothing happens?

 

my tested NAS configuration

gnoboot 10.5 + DSM 5.0-4458

Atom D2550 + 2GB RAM + Toshiba 3TB x4

 

 

idle power consumption : 53W

 

set the disk hibernation time to 10 minutes

 

disk hibernation mode power consumption : ~23W

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