Hi Rene/any members, > I use the following command to list the WWNs: > cat /sys/class/scsi_host/host?/device/fc_host\:host?/port_name I checked the above on our Redhat 4.6 but the numbers that's there don't appear like WW number/id : # pwd /sys/class/scsi_host/host0 # # ls -l total 0 -r--r--r-- 1 root root 4096 Sep 2 09:52 cmd_per_lun lrwxrwxrwx 1 root root 0 Sep 2 09:51 device -> ../../../devices/pci0000:00/0000:00:03.0/0000:04:00.0/host0 -r--r--r-- 1 root root 4096 Sep 2 07:35 flags -r--r--r-- 1 root root 4096 Sep 2 09:52 hba_bios_version -r--r--r-- 1 root root 4096 Sep 2 09:52 hba_kernel_version -r--r--r-- 1 root root 4096 Sep 2 09:52 hba_monitor_version -r--r--r-- 1 root root 4096 Sep 2 09:52 host_busy -r--r--r-- 1 root root 4096 Sep 2 09:52 max_channel -r--r--r-- 1 root root 4096 Sep 2 09:52 max_id -r--r--r-- 1 root root 4096 Sep 2 09:52 model -r--r--r-- 1 root root 4096 Sep 2 07:35 proc_name -rw-r--r-- 1 root root 4096 Sep 2 09:52 reset_host --w------- 1 root root 4096 Sep 2 09:52 scan -r--r--r-- 1 root root 4096 Sep 2 09:52 serial_number -r--r--r-- 1 root root 4096 Sep 2 09:52 sg_tablesize -r--r--r-- 1 root root 4096 Sep 2 09:52 unchecked_isa_dma -r--r--r-- 1 root root 4096 Sep 2 09:52 unique_id -r--r--r-- 1 root root 4096 Sep 2 09:52 vendor [root@slalnx11 host0]# more * :::::::::::::: cmd_per_lun :::::::::::::: 256 *** device: directory *** :::::::::::::: flags :::::::::::::: SAI_READ_CAPACITY_16 SCSI_HAS_DUMP :::::::::::::: hba_bios_version :::::::::::::: 5.2-0[11844] :::::::::::::: hba_kernel_version :::::::::::::: 5.2-0[11844] :::::::::::::: hba_monitor_version :::::::::::::: 5.2-0[11844] :::::::::::::: host_busy :::::::::::::: 0 :::::::::::::: max_channel :::::::::::::: 0 :::::::::::::: max_id :::::::::::::: 255 :::::::::::::: model :::::::::::::: 8k :::::::::::::: proc_name :::::::::::::: aacraid :::::::::::::: reset_host :::::::::::::: 0x0 scan: Permission denied :::::::::::::: serial_number :::::::::::::: 4023279 :::::::::::::: sg_tablesize :::::::::::::: 65 :::::::::::::: unchecked_isa_dma :::::::::::::: 0 :::::::::::::: unique_id :::::::::::::: 0 :::::::::::::: vendor :::::::::::::: ServeRAID # cd /sys/class/fc_host/host3 # there's only host3 & no other host* folders # more port_id 0x020800 # pwd /sys/class/fc_host/host3 -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list