On Tue, Jan 20, 2009 at 11:17:53AM +0800, 谢纲 wrote: > It make sense that multipath tool can notice that there is a > recreation of OS device. But it still depends on the external program, > such as scsi_id to get the identifier of the lun。 > I looked through the scsi_id source code, found that unit serial > number might be returned if the device supported the EVPD inquery > page80. This might be the wrong infomation for multipath tool, is that > true? That information is correct. You can prove it yourself by running 'scsi_id -g -u -s /block/sdb' before and after the deletion. The value will be the same. What is not correct is the LUN number. And for that there needs to be a deletion of the block device and a recreation of them. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
