RE: Question on SCSI target scan

2013-11-18 Thread Ewan Milne
On Fri, 2013-11-15 at 23:53 +, Elliott, Robert (Server Storage) wrote: > Beware that just because the LUN inventory is the same doesn't mean > the logical units are the same. A logical unit at LUN X might have been > deleted and another logical unit created and assigned to LUN X, but > now co

Re: Question on SCSI target scan

2013-11-18 Thread James Bottomley
On Mon, 2013-11-18 at 00:52 -0700, Ramesh Chikkanayakanahally wrote: > Thanks for the response. > > If using RSCN sounds like a reasonable approach in this scenario > (protocol limitations), then as per the original question - would it > be acceptable to add an interface in scsi_transport_fc la

RE: Question on SCSI target scan

2013-11-17 Thread Ramesh Chikkanayakanahally
(REPORT LUNS) ? Thanks, Ramesh C N -Original Message- From: Elliott, Robert (Server Storage) [mailto:elli...@hp.com] Sent: Saturday, November 16, 2013 5:23 AM To: Ramesh Chikkanayakanahally; linux-scsi@vger.kernel.org Cc: jbottom...@parallels.com Subject: RE: Question on SCSI target scan

RE: Question on SCSI target scan

2013-11-15 Thread Elliott, Robert (Server Storage)
3 8:10 AM > To: linux-scsi@vger.kernel.org > Cc: jbottom...@parallels.com > Subject: Question on SCSI target scan > > Hi, > > This question is related to scsi_transport_fc layer. > > Background: >     When new LUNs are added to a target, the target can send check

Question on SCSI target scan

2013-11-06 Thread Ramesh Chikkanayakanahally
Hi, This question is related to scsi_transport_fc layer. Background:     When new LUNs are added to a target, the target can send check condition with SK/ASC/ASCQ indicating that the reported LUNS data has changed. Then the initiator can send the report LUNs command to discover the changes. But