Open-iSCSI

install  2.0-869.2

make

start:

rcopen-iscsi start

discovery:

iscsiadm -m discovery  -t st -p 192.168.4.123 

update chap information:

iscsiadm -m node -p 192.168.4.123 --op=update \   

--name=node.session.auth.authmethod --value=CHAP

iscsiadm -m node -p 192.168.4.123 --op=update \     --name=node.session.auth.username --value=andy

iscsiadm -m node -p 192.168.4.123 --op=update \     --name=node.session.auth.password --value=1234

login:

iscsiadm -m node -p 192.168.4.123 -l

or

iscsiadm -m node -r nodeId -l

the disk added after login is in /dev/sd*

delete record:

iscsiadm -m node -o delete

or

rm -rf /etc/iscsi/nodes/*

logout 

iscsiadm -m node -U all

daemon:

/etc/init.d/iscsi

increase iscsi ping time to prevent a lot of io error messages

node.conn[0].timeo.noop_out_interval = X

ode.conn[0].timeo.noop_out_timeout = X