Table of Contents
some useful commands around fibre channel
WWN & Co
get the wwn from the adapers
SLES
# for i in $(ls -d /sys/class/scsi_host/host*/device/fc_host/host*/port_name); do echo $i $(cat $i);done
e.g.
# for i in $(ls -d /sys/class/scsi_host/host*/device/fc_host/host*/port_name); do echo $i $(cat $i);done /sys/class/scsi_host/host15/device/fc_host/host15/port_name 0x2100f4e9d455702c /sys/class/scsi_host/host16/device/fc_host/host16/port_name 0x2100f4e9d455702d /sys/class/scsi_host/host17/device/fc_host/host17/port_name 0x2100f4e9d45573c8 /sys/class/scsi_host/host18/device/fc_host/host18/port_name 0x2100f4e9d45573c9
multipathing
paths & devices
multipathd commands
multipathd is not only the the multipath daemon itself, but also a useful command for analysing the SAN:
# multipathd --help