On 01/20/2014 07:44 PM, Giridhar Malavali wrote: > > > On 12/20/13 6:54 AM, "Hannes Reinecke" <hare@xxxxxxx> wrote: > [ .. ] >> >> As discussed during last year's LSF the SCSI error handler should be >> updated to handle modern SCSI transports better. >> While some patchsets are already merged, there are some issues which >> are still open: >> - Handling of requests during host reset: >> Do we need to keep hold of outstanding requests during host reset? >> Or is it save to return them prior to host reset? >> - Check for transport status prior to sending TMFs. >> Task management functions typically need a working I_T nexus, >> so it does make sense to first check the transport status >> prior to attempting any TMFs >> - Further steps for updating SCSI EH >> As these are tricky issues which have possible repercussions on the >> entire subsystem and LLDDs it'd be good to have a broader discussion >> here. > > +1 > > I would like to participate in this discussion to provide inputs from > LLDDs. > And I would _very_ much like to have participation from LLDD vendors/providers; as part of the scsi_eh update I plan to introduce a new callback 'eh_transport_reset'. Which need to be implemented at the LLDD level. Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@xxxxxxx +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg) -- 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
