Re: cold plug support

[Paul Ionescu <i_p_a_u_l@yahoo.com>]

On Thu, 22 Dec 2005 14:17:14 +0100, Dieter Stüken wrote:

> I followed the recent discussion about ACPI and hotplug and understand
> some of the complications with ACPI if the event is triggered by the
> device itself, if it is disrupted unexpectedly.
> 
> What I need, however, would be the possibility, just to replace a disks
> without reboot. I will umount it first and then suspend/shutdown it
> somehow, so it should disappear from /sys/block. Thus I can safely unplug
> it and attach a new disk. If my hardware is unable to recognize the new
> disk instantaneously this is not a problem. I may easily activate some
> scanning process to find and activate the new disk. To accomplish this,
> IMHO there is no need to solve all the hotplug problems first.
> 
> This would be a BIG enhancement for me (and may be others) to keep my disk
> servers up and running. May be some of these steps are already
> implemented, but then I'm missing some HOWTO. Else I like to hear if his
> kind of cold-plug is aimed some day, or if nobody really needs this
> besides be :-)
> 
> Dieter.

Hello Dieter,

You are not alone,
Me and some of my friends also will benefit from some sort of cold-plug if
possible. If you found something, please let us know.

Thanks,
Paul