> -----Original Message----- > From: open-iscsi@googlegroups.com [mailto:open-is...@googlegroups.com] > On Behalf Of Mike Christie > Sent: Monday, June 15, 2009 9:15 PM > To: open-iscsi@googlegroups.com > Subject: Re: open-iscsi and discover newly created LUN > > > On 06/15/2009 12:41 AM, shyam_i...@dell.com wrote: > > > > > >> -----Original Message----- > >> From: open-iscsi@googlegroups.com [mailto:open- > is...@googlegroups.com] > >> On Behalf Of Mike Christie > >> Sent: Saturday, June 13, 2009 8:30 AM > >> To: open-iscsi@googlegroups.com > >> Subject: Re: open-iscsi and discover newly created LUN > >> > >> > >> On 06/12/2009 01:16 AM, TheR wrote: > >>> Using open-iscsi as initiator on ubuntu 9.04. > >>> > >>> > >>> I want to set up virtual environment with iscsi target server which > >> is > >>> ubuntu based. On target decided to use single tid under which I > >> create > >>> multple LUN-s, which represent disks used by initiator which is KVM > >>> server. One LUN becomes a disk used by one virtual machine on KVM > >>> server. > >>> > >>> My problem is when I create new LUN on target (under same tid), > this > >>> LUN doesn't get recognized by initiator without restarting > initiator > >>> iscsi service. Which in return breaks all curently running machines > >> on > >>> KVM server. > >>> > >>> I have seen same behaviour on Red Hat 5.1. > >>> > >> On RHEL 5.3 and newer, upstream and probably ubuntu (not sure what > >> version is in there), you can do > >> > >> iscsiadm -m session -r $SID --rescan > >> > > > > Mike - > > > > The target can initiates a UNIT ATTENTION with additional sense as > > "Report LUN data changed", I don't see that currently being handled > by > > the SCSI-ML. > > > > A rescan may not be necessary if this information is received by the > > open-iscsi. > > > > Do you have a background on the SCSI-ML part ? > > > > If the unit attention comes in a iscsi async pdu, then we handle it > today in iscsid by kicking off a rescan which adds new devices. It does > not delete stale ones, because the scsi-ml sysfs scan interface does > not > do this. > > If the unit attention comes with scsi command sense like normal, people > have been working on it like here: > http://marc.info/?l=linux-scsi&m=123852561314129&w=2 >
Ah Ok. Thanks for the link. I guess this is still WIP. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
