On Fri, Jan 16, 2009 at 04:42:25PM +0800, 谢纲 wrote: > Hi, > > multipath path tool use the external program, such as scsi_id in udev, > to get the id of the lun. But how does it handle the lun remapping? > For example, at first, thiere is a lun in array:lun1, it is mapped to > host with lun id 11. On the host, I use the multipath program to > generate a multipath device for this lun. Then I unmap lun1 and > another lun: lun2 which is mapped to the host with the same lun id 11. Do you reboot the system after those unmaps/maps? > In this situation, it seems that the multipath tool could not notice > that there is a change of lun even after recreate the multipath > device, is that true? It would - as long as hte block devices get re-created/deleted for the new/old LUNs. > > Thanks, > > -- > Xie Gang > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
