On Fri, Jul 13, 2018 at 09:29:50AM +0300, Ran Shalit wrote: > Hello, > > We have some old system (2.4 kernel) which use hot swap with sata > (IDE) , bu using commands such as: > hdparm -U 0 > hdparm -R 0 0x1f0 ... > > But in newer system HW&SW we never use these commands when removing > and inserting sata. What do you do instead? > Why was it used once and why is it not used in newer system ? In the 2.4 kernel there was not kernel support for hot-swap devices like this, so you had to "manually" do it with these types of commands. > Is it that newer system do this somehow automatically ? Where ?is it > done, in SW or HW ? How exactly are you swaping your ide drives today? And the 2.4 kernel was over a decade ago, hopefully you have upgraded your hardware since then :) thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
