That's basically what I have - except that the spinning drive doesn't have anything on it at all right now i.e. is completely unused.
Originally Posted by David_Sloboda
I expect so but I would go further and have that as your normal configuration unless you know that you are actively using the HDD.
Is it possible with a dual drive configuration to shut off the spinning drive and work only from the SSD once in a while?
WARNING: It is very important that you type an uppercase S for the option in the following.
What command(s) would halt this secondary drive?
(or whatever is the correct device name for the HDD). Check the correct device name first!
hdparm -S60 /dev/sdb
That will put the drive into standby mode if not used for 5 minutes.
You can use
to see when the drive goes into standby.
If you want to make the change permanent then edit /etc/hdparm.conf for something like
In my experience on another computer (Edit: i.e. not running Ubuntu), it is very difficult to keep the drive in standby mode if the drive is being used for much. For example, some annoying software may poll a directory on the drive and thereby keep the drive awake.
spindown_time = 60