On Mon, Aug 29, 2005 at 10:38:17AM +0200, Andreas Herrmann wrote:
> Hi,
> 
> What is the correct sequence to register and deregister 
> host/rport/scsi_devices
> at the scsi stack?
> 
> ZFCP's sequence is like follows:
> 
> scsi_add_host
> fc_remote_port_add (if port succesfully configured/opened in/by zfcp)
> scsi_add_device (if unit successfully configured/opened in/by zfcp)

Never use scsi_add_device with the fc_transport code.  fc_remote_port_add
will do a proper lun scan if the added rport is a scsi target.

> If a zfcp-adapter is set offline I do the following to get rid of the
> entries within /sys/class/fc_*:
> 
> fc_remote_port_delete (for each rport registered for this adapter)
> fc_remove_host
> scsi_remove_host

fc_remove_host removes all rports for you.

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