Iscsi

Deamonns:

• tgtd (used by ocf:heartbeat:iSCSITarget)
• iscsid

Links

• http://nil.uniza.sk/linux-howto/linux-mint-mouting-freenas-iscsi-disk
• iscsiadm command examples
• Scsi-target-utils Quickstart Guide
• https://wiki.archlinux.org/index.php/TGT_iSCSI_Target

FAQ

ISCSI client

iscsi_discovery 192.168.100.32

List connected targets

iscsiadm -m session

which seems to list only one, for multiple:

tgtadm --lld iscsi --op show --mode conn --tid 1

this shows multiple initiators with their IDs, to get more info use the session id from output and then

iscsiadm -m session -r <sessionid>

although this doesn't really seem to provide the expected info

List targets

iscsiadm -m discovery -t sendtargets -p 192.168.100.32

Connect to target

iscsiadm -m node --targetname="iqn.2018-5.mynet:drbd0" --portal "192.168.100.32" --login

if you get things like "iscsiadm: No records found" try a thing like

iscsiadm --mode node -l all

Disconnect from target

iscsiadm -m node -T iqn.2018-5.mynet:drbd0 -p 192.168.100.32 -u

Show new size of target

iscsiadm -m node --targetname="foo.bar" -R

Disconnect all targets

iscsiadm --mode node -u all

On server

list targets

tgtadm --lld iscsi --mode target --op show

And disconnect target:

tgtadm --lld iscsi --op delete --mode conn --tid 1 --sid 2 --cid 0

Reload tgtd

tgt-admin --update ALL

Show tgdt config

tgt-admin --dump

The disk contains an unclean file system (0, 0).

Metadata kept in Windows cache, refused to mount.
Falling back to read-only mount because the NTFS partition is in an
unsafe state. Please resume and shutdown Windows fully (no hibernation
or fast restarting.)

ntfsfix /dev/sdc1