Changes

* FreeBSD* A fiber channel card with a kernel that supports target modeyour card, e.g. [[FreeBSD kernel with Fibre Channel target mode support for QLogic cards | for QLogic QLE2462|]]* a fiber channel card that supports target mode* a ZFS zvol == Create a ZFS zvol == This will create a sparse 850GB ZFS zvol.  sudo zfs create -p -s -V 850g tank1/export/fc == Enable ctld ==  sudo sysrc ctld_enable=YES == Bring the device online ==  sudo ctladm port -o on isp0 sudo ctladm port -o on isp1 == Check the WWN address == You'll get output like:  z800:aram$ sudo ctladm port -l Port Online Frontend Name pp vp 0 YES camsim camsim 0 0 naa.50000009e370df01 1 YES ioctl ioctl 0 0 2 YES tpc tpc 0 0 3 YES camtgt isp0 0 0 naa.2100001b321cd5b6 4 YES camtgt isp1 0 0 naa.2101001b323cd5b6 == Configure /etc/ctl.conf == Use this config for /etc/ctl.conf:  lun fibre-channel { backend block device-id "5000c5001d5ba30b" serial "MGKSERIAL0001" option vendor "MGK" option product "FC Disk" option naa "600A0B80002682A8000067D95897A544" option removable "on" path /dev/zvol/tank1/export/fc } target naa.100000062b1b88c8 { auth-group no-authentication port mpt0 port mpt1 lun 0 fibre-channel } Make sure the WWN matches. Next, start the ctld daemon. The device-id is from a real Seagate FC disk, and the naa is from a real array. I think both are required by macOS to make multipathing work.  sudo service ctld start Query the status, to see if everything is working correctly:  z800:aram$ sudo ctladm devlist -v LUN Backend Size (Blocks) BS Serial Number Device ID 0 block 1782579200 512 MYSERIAL 0 MYDEVID 0 lun_type=0 num_threads=14 file=/dev/zvol/tank1/export/fc ctld_name=naa.2100001b321cd5b6,lun,0 scsiname=naa.2100001b321cd5b6,lun,0 == Initiator side == If using macOS, the mac should just "see" the target, no configuration required. == References == * [https://justinholcomb.me/blog/2016/03/19/migration-to-freebsd-part3.html Migrating to FreeBSD from Solaris 11: Part 3 - Importing ZVols for serving via Fiber Channel]* [https://globalengineer.wordpress.com/2018/03/25/applied-freebsd-fibre-channel-target Applied FreeBSD: Fibre Channel Target]* [https://discussions.apple.com/thread/1927941 SAN multipathing in OS X 10.5 Leopard]