On 08/07/2018 05:03 AM, guanjunxiong 00401709 wrote: > This patch adds a new parameter which named -k to display links information in the multipath command. > Command 'multipath -k' display paths with the same host wwn and target wwn as one link information. > The cmd display the following information to quickly and easily find the host and target information. > [root@localhost mp]# ./multipath -k > link host_wwnn=0x20000024ff2e8092 host_wwpn=0x21000024ff2e8092 target_wwnn=0x2100333435363738 target_wwpn=0x2201333435363738 > link host_wwnn=0x20000024ff2e8092 host_wwpn=0x21000024ff2e8092 target_wwnn=0x2100333435363738 target_wwpn=0x2211333435363738 This info, in plain text, and a lot more can be extracted from /sys. There is a tool, systool, to beautify the output: systool -v -c fc_host systool -v -c fc_remote_ports systool -v -c fc_transport systool -v -c scsi_host systool -v -c scsi_disk systool -v -b scsi systool -v -m lpfc # emulex systool -v -m qla2xxx # qlogic -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel