Re: How to add/drop SCSI drives from within the driver?

[Brian King]

Newer kernels also have kobject_uevent, which lets any application use 
netlink to look for hotplug events.

-Brian

Mukker, Atul wrote:
> Thanks for the suggestion. After more exploration, looks like different
> distribution have different implementations for /sbin/hotplug. This may
> aggravate the issue for applications. For now, we will stick with a wait and
> watch after bus scan :-(
>
> Will probe the linux-hotplug-devel@xxxxxxxxxxxxxxxxxxxxx list for more
> pointers
>
> Thanks
>
> ===========================
> Atul Mukker
> Architect, Drivers and BIOS
> LSI Logic Corporation
>
>
>
> > -----Original Message-----
> > From: Patrick Mansfield [mailto:patmans@xxxxxxxxxx] 
> > Sent: Tuesday, January 25, 2005 11:52 AM
> > To: Mukker, Atul
> > Cc: 'James Bottomley'; Linux Kernel; SCSI Mailing List
> > Subject: Re: How to add/drop SCSI drives from within the driver?
> >
> > Atul -
> >
> > On Tue, Jan 25, 2005 at 11:27:36AM -0500, Mukker, Atul wrote:
> >
> > > After writing the "- - -" to the scan attribute, the management 
> > > applications assume the udev has created the relevant 
> >
> > entries in the 
> >
> > > /dev directly and try to use the devices _immediately_ and 
> >
> > fail to see 
> >
> > > the devices
> > >
> > > Is there a hotplug event which would tell the management 
> >
> > applications 
> >
> > > that the device nodes have actually been created now and 
> >
> > ready to be used?
> >
> > Read the udev man page section, the part right before 
> > "FILES". Try putting a script under /etc/dev.d/default/*.dev. 
> > Then you can get more specific with an /etc/dev.d/scsi/*.dev 
> > script or something else.
> >
> > I just tried something simple but did not get it working.
> >
> > Try linux-hotplug-devel@xxxxxxxxxxxxxxxxxxxxx list for help.
> >
> > -- Patrick Mansfield
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


--
Brian King
eServer Storage I/O
IBM Linux Technology Center
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/