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Forum Discussion

Sandshark's avatar
Sandshark
Sensei - Experienced User
May 03, 2025

Does disk spindown work for anyone?

After a few years of using rack-mount NAS (which don't support disk spin-down) I'm again using a desktop NAS as my primary and I find that disk spin-down doesn't really work.  They spin down, but spi...
Sandshark's avatar
Sandshark
Sensei - Experienced User
May 03, 2025

OK, so your log doesn't show the spin-down events but mine does.  I believe it's the writing of the spin-down events that's spinning them back up, and this certainly adds evidence to that.  But why is your NAS not logging the spin-downs when both of my always-on ones do?  There must be some other setting involved unless you are on another OS version which does it differently.

StephenB's avatar
StephenB
Guru - Experienced User
May 03, 2025
Sandshark wrote:

your log doesn't show the spin-down events  

It does, I just removed them from my log excerpt. The full spindown log for May 2nd looks like this:

May 02 00:16:25 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 00:16:27 NAS noflushd[3790]: Spindown of disk 3 (/dev/sdc) cancelled.
May 02 00:51:18 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 00:51:20 NAS noflushd[3790]: Spindown of disk 1 (/dev/sda) cancelled.
May 02 00:56:20 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 00:56:25 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 00:56:30 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 00:56:33 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 01:00:18 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:03:40.
May 02 01:00:28 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:04:03.
May 02 01:00:28 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:03:58.
May 02 01:00:33 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:04:00.
May 02 01:08:33 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 01:08:38 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 01:08:41 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 01:09:16 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 01:17:11 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:07:50.
May 02 01:22:11 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 02:00:19 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:38:05.
May 02 02:00:29 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:51:51.
May 02 02:00:29 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:51:43.
May 02 02:00:34 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:51:53.
May 02 02:14:54 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 02:14:56 NAS noflushd[3790]: Spindown of disk 1 (/dev/sda) cancelled.
May 02 02:14:56 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 02:15:01 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 02:15:04 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 02:15:34 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:00:25.
May 02 02:15:49 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:00:45.
May 02 02:19:55 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 02:20:35 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 02:20:50 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 02:28:07 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:08:07.
May 02 02:28:07 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:13:06.
May 02 02:28:07 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:07:27.
May 02 02:28:12 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:07:20.
May 02 02:33:43 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 02:33:48 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 02:33:53 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 02:33:56 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 03:00:21 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:26:33.
May 02 03:00:21 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:26:28.
May 02 03:00:21 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:26:20.
May 02 03:00:26 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:26:30.
May 02 03:05:26 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 03:05:31 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 03:05:36 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 03:05:39 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 03:05:49 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:00:18.
May 02 03:05:49 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:00:13.
May 02 03:05:49 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:00:10.
May 02 03:05:49 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:00:05.
May 02 03:10:49 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 03:10:54 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 03:10:59 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 03:11:02 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 03:37:47 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:26:53.
May 02 03:37:47 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:26:48.
May 02 03:37:47 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:26:40.
May 02 03:37:52 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:26:50.
May 02 03:42:53 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 03:42:58 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 03:43:03 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 03:43:06 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 04:00:41 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:17:43.
May 02 04:00:41 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:17:38.
May 02 04:00:41 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:17:30.
May 02 04:00:46 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:17:40.
May 02 04:10:46 NAS noflushd[3790]: Spinning down disk 1 (/dev/sda).
May 02 04:10:51 NAS noflushd[3790]: Spinning down disk 2 (/dev/sdb).
May 02 04:10:56 NAS noflushd[3790]: Spinning down disk 3 (/dev/sdc).
May 02 04:10:59 NAS noflushd[3790]: Spinning down disk 4 (/dev/sdd).
May 02 04:44:34 NAS noflushd[3790]: Spinning up disk 4 (/dev/sdd) after 0:33:30.
May 02 04:44:44 NAS noflushd[3790]: Spinning up disk 1 (/dev/sda) after 0:33:53.
May 02 04:44:44 NAS noflushd[3790]: Spinning up disk 2 (/dev/sdb) after 0:33:48.
May 02 04:44:49 NAS noflushd[3790]: Spinning up disk 3 (/dev/sdc) after 0:33:50.
May 02 05:00:02 NAS noflushd[3790]: Quitting on signal...
May 02 05:00:02 NAS systemd[1]: Stopping Idle Disk Spindown Daemon...
May 02 05:00:02 NAS systemd[1]: Stopped Idle Disk Spindown Daemon.
May 02 22:00:22 NAS systemd[1]: Started Idle Disk Spindown Daemon.
May 02 22:00:22 NAS noflushd[25623]: Enabling spindown for disk 1 
May 02 22:00:22 NAS noflushd[25623]: Enabling spindown for disk 2 
May 02 22:00:22 NAS noflushd[25623]: Enabling spindown for disk 3 
May 02 22:00:22 NAS noflushd[25623]: Enabling spindown for disk 4
May 02 22:05:27 NAS noflushd[25623]: Spinning down disk 1 (/dev/sda).
May 02 22:05:29 NAS noflushd[25623]: Spindown of disk 1 (/dev/sda) cancelled.
May 02 22:48:30 NAS noflushd[25623]: Spinning down disk 2 (/dev/sdb).
May 02 22:48:35 NAS noflushd[25623]: Spinning down disk 3 (/dev/sdc).
May 02 22:48:43 NAS noflushd[25623]: Spinning down disk 1 (/dev/sda).
May 02 22:48:45 NAS noflushd[25623]: Spinning down disk 4 (/dev/sdd).
May 02 23:00:18 NAS noflushd[25623]: Spinning up disk 4 (/dev/sdd) after 0:11:30.
May 02 23:00:33 NAS noflushd[25623]: Spinning up disk 1 (/dev/sda) after 0:11:48.
May 02 23:00:33 NAS noflushd[25623]: Spinning up disk 2 (/dev/sdb) after 0:11:58.
May 02 23:00:33 NAS noflushd[25623]: Spinning up disk 3 (/dev/sdc) after 0:11:55.
May 02 23:07:33 NAS noflushd[25623]: Spinning down disk 1 (/dev/sda).
May 02 23:07:36 NAS noflushd[25623]: Spindown of disk 1 (/dev/sda) cancelled.
May 02 23:12:36 NAS noflushd[25623]: Spinning down disk 1 (/dev/sda).
May 02 23:12:41 NAS noflushd[25623]: Spinning down disk 2 (/dev/sdb).
May 02 23:12:46 NAS noflushd[25623]: Spinning down disk 3 (/dev/sdc).
May 02 23:12:49 NAS noflushd[25623]: Spinning down disk 4 (/dev/sdd).
May 02 23:41:49 NAS noflushd[25623]: Spinning up disk 1 (/dev/sda) after 0:29:08.
May 02 23:41:49 NAS noflushd[25623]: Spinning up disk 2 (/dev/sdb) after 0:29:03.
May 02 23:44:44 NAS noflushd[25623]: Spinning up disk 4 (/dev/sdd) after 0:31:50.
May 02 23:44:49 NAS noflushd[25623]: Spinning up disk 3 (/dev/sdc) after 0:32:00.
May 02 23:54:20 NAS noflushd[25623]: Spinning down disk 1 (/dev/sda).
May 02 23:54:22 NAS noflushd[25623]: Spindown of disk 1 (/dev/sda) cancelled.
May 02 23:54:22 NAS noflushd[25623]: Spinning down disk 2 (/dev/sdb).
May 02 23:54:27 NAS noflushd[25623]: Spinning down disk 3 (/dev/sdc).
May 02 23:54:30 NAS noflushd[25623]: Spinning down disk 4 (/dev/sdd).
May 02 23:59:20 NAS noflushd[25623]: Spinning down disk 1 (/dev/sda).

The NAS is running 6.10.9 

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