Hi,
> > > How does this work if we start off a guest with 3 disks
> > > attached to the usb-bot SCSI controller. Then hot-unplug
> > > the 2nd disk.
> >
> > You can't hotplug individual luns anyway.
>
> How does hotplug/unplug work in the context of usb-bot ?
>
> AFAIK we need to be able to run
>
> device_add usb_bot
> drive_add file...
> device_add scsi-hd
>
> And the reverse, to unplug it, if we're to have feature parity with
> usb-storage.
Hot-unplug is easy. You can remove the usb-bot device which will also
remove all child devices.
Hot-plug doesn't work at the moment, and I don't see any obvious way to
fix that properly :-(
We need some way to hotplug a *group* of devices (usb-bot + all
children) as usb-bot itself is hotpluggable but the individual scsi
devices connected to it are not.
I could allow hotplug on usb-bot as workaround, then you can do
stop
device_add usb_bot
device_add scsi-{hd,cd,whatever}
cont
but that would be more a gross hack than a solution ...
cheers,
Gerd
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