FreeBSD iSCSI

hegars

Kinda like TargetCLI on linux -> https://blog.hegars.com/?p=433

Baby’s First iSCSI with ZFS Setup – the sporks space

Install

Install stuff

pkg install vim
pkg install fusefs-ntfs-2022.10.3_1

Create a target

zfs create -V 4GB -o compression=on srv/target

Create /etc/ctl.conf to export target

portal-group pg0 {
        discovery-auth-group no-authentication
        listen 0.0.0.0
        listen [::]
}

target iqn.2010-04.com.hegars.storage:target0 {
        auth-group no-authentication
        portal-group pg0

                lun 0 {
                        path /dev/zvol/zroot/target
                }
}

Start service 

service ctld start

Connect the client

RO mount of NTFS volume on Host

Look at the “disk”

fdisk /dev/zvol/zroot/target
WARNING: fdisk is deprecated and is not available in FreeBSD 15 or later.
Please use gpart instead.

******* Working on device /dev/zvol/zroot/target *******
parameters extracted from in-core disklabel are:
cylinders=65270 heads=255 sectors/track=63 (16065 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=65270 heads=255 sectors/track=63 (16065 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 238 (0xee),(EFI GPT)
    start 1, size 4294967295 (2097151 Meg), flag 0
        beg: cyl 0/ head 0/ sector 2;
        end: cyl 765/ head 254/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
geom -t
Geom                    Class      Provider
vtbd0                   DISK       vtbd0
  vtbd0                 DEV       
  vtbd0                 PART       vtbd0p1
    vtbd0p1             DEV       
    vtbd0p1             LABEL      gpt/gptboot0
      gpt/gptboot0      DEV       
  vtbd0                 PART       vtbd0p2
    vtbd0p2             DEV       
    swap                SWAP      
  vtbd0                 PART       vtbd0p3
    vtbd0p3             DEV       
    zfs::vdev           ZFS::VDEV 
zfs::zvol::zroot/target ZFS::ZVOL  zvol/zroot/target
  zvol/zroot/target     DEV       
ntfs_3g /dev/zvol/zroot/target /mnt/ntfs/ -o ro

Speed over 1000/400 NBN to DC location

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