Different ways to rescan the SCSI Subsystem
This page describes the different ways to rescan the SCSI Subsystem either via FC/iSCSI/parallel SCSI or other SCSI drivers. Multipath rescanning is also descibed.
Rescanning the different SCSI Adapters
Rescan the iSCSI Bus:
First you have to detect you iSCSI session like this:
iscsiadm --mode session tcp: [2] 192.168.2.1:3260,2011 iqn.....
The session referred to here is number two so the rescan should be done on this session:
iscsiadm --mode session -r 2 --rescan