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Proxmox HDD not going to sleep

List disks fdisk -l

Check disk status hdparm -C /dev/sdX example:

[email protected]:~# hdparm -C /dev/sdc

/dev/sdc:
drive state is:  active/idle

Edit /etc/lvm/lvm.conf by adding "r|/dev/sdd.*|" to global_filter example: (Alternative "r|/dev/disk/by-id/ata-WDC_WD40EZAZ-00SF3B0_WD-WX32DA0HYCR7.*|")

...
	# Do not scan ZFS zvols (to avoid problems on ZFS zvols snapshots)
	# Also do not scan LVM disks from guests on both VGs named & not named 'pve'
	global_filter = [ "r|/dev/zd.*|", "r|/dev/mapper/pve-.*|" "r|/dev/mapper/.*-(vm|base)--[0-9]+--disk--[0-9]+|" , "r|/dev/sdc.*|", "r|/dev/sdd.*|"]

	# Example
	# Accept every block device:
...

To save the changes use update-initramfs -u and reboot the system

Set spindown time hdparm -S 25 /dev/sdX where 25 is 25*5 seconds example:

[email protected]:~# hdparm -S 60 /dev/sdc

/dev/sdc:
 setting standby to 60 (5 minutes)

Spin down immediately with -y paramater example:

Don't use -Y use -y

[email protected]:~# hdparm -y /dev/sdc

/dev/sdc:
 issuing standby command


get disk UUID ls -l /dev/disk/by-id/

[email protected]:~# ls -l /dev/disk/by-id/ | grep sd[a-z]$
lrwxrwxrwx 1 root root  9 Jan 15 17:13 ata-HGST_HTS5xxxxxx680_JA1009xxxxD3P -> ../../sde
lrwxrwxrwx 1 root root  9 Jan 15 17:13 ata-ST4000VN008-2DR166_ZGY9xxxx -> ../../sdc
lrwxrwxrwx 1 root root  9 Jan 15 17:13 ata-ST4000VN008-2DR166_ZGY9xxxx -> ../../sdb
lrwxrwxrwx 1 root root  9 Jan 15 17:13 ata-ST4000VN008-2DR166_ZGY9xxxx -> ../../sdd
lrwxrwxrwx 1 root root  9 Jan 15 17:13 ata-ST4000VN008-2DR166_ZGY9xxxx -> ../../sda
lrwxrwxrwx 1 root root  9 Jan 15 17:13 wwn-0x5000c500dxxxxxxx -> ../../sdb
lrwxrwxrwx 1 root root  9 Jan 15 17:13 wwn-0x5000c500dxxxxxxx -> ../../sdc
lrwxrwxrwx 1 root root  9 Jan 15 17:13 wwn-0x5000c500dxxxxxxx -> ../../sda
lrwxrwxrwx 1 root root  9 Jan 15 17:13 wwn-0x5000c500dxxxxxxx -> ../../sdd
lrwxrwxrwx 1 root root  9 Jan 15 17:13 wwn-0x5000c500dxxxxxxx -> ../../sde


edit /etc/hdparam.conf to make it permanent

/dev/disk/by-id/ata-ST4000VN008-2DR166_ZGY9xxxx {
spindown_time = 45
}


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