Forum Discussion

Aspirant

Jul 20, 2017

RN104 disks (semi)randomly spinning up

Hi there, My RN104 disks (4x 3TB disk, RAID5) seem to randomly spin up multiple times a day and since I don't even access the NAS daily, I feel like this is a bit of a waste. Example: I accessed ...

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StephenB

Guru - Experienced User

Jul 21, 2017

The OS partition is on the disks, so any time the OS reads the OS partition it will need to spin up. Writes are cached, but of course at some point a write (including a write for logging) is posted - which will also spin up the drives.

gdekker

Aspirant

Jul 21, 2017

Ok, so far so logical. But is there any way to make it do less writes? An hourly log seems a bit much to me. (Besides, it's supposed to be sleeping, what is it logging anyway?) I'd be more than fine with a daily, or better: weekly, log if it reduces the unnecessary disk spinups.

StephenB
Guru - Experienced User
Jul 21, 2017
Is the ReadyNAS set up for hourly snapshots?
- gdekker
  Aspirant
  Jul 21, 2017
  Nope, it's set up as basic as it gets: a simple raid5 used just for storage/backup.
  - Sandshark
    Sensei
    Jul 21, 2017
    Snapshots are independent of the RAID mode and are set up in the configuration for each share. You can set up how often they are taken and whether or not you want the disks spun up to take one.