=== Iscsi target on CentOS, Initiator on CentOS and Windows XP ===

== Iscisi Target server

#install
> yum -y install scsi-target-utils
> /etc/init.d/tgtd start

#Create Target
> tgtadm --lld iscsi --op new --mode target --tid 0 --targetname iqn.2009-07.com.test:data

# check
> tgtadm --lld iscsi --op show --mode target


#Register block divice to target
> tgtadm --lld iscsi --op new --mode logicalunit --tid 0 --lun 1 --backing-store /dev/sdb1
# check
> tgtadm --lld iscsi --op show --mode target

# Access from ALL
> tgtadm --lld iscsi --op bind --mode=target --tid=0 --initiator-address=ALL

# for perment setting after restart
vi /etc/tgt/targets.confro
<target iqn.2009-07.com.test:data>
        backing-store /dev/sdb1
        initiator-address ALL
</target>


== Initiator (CentOS)

> yum -y install iscsi-initiator-utils
> /etc/init.d/iscsi start
> iscsiadm --mode=discovery --type=sendtargets --portal=192.168.0.10

# list of terget
> iscsiadm -m node

# Login
> iscsiadm -m node --targetname iqn.2009-07.com.test:data --portal 192.168.0.10:3260 --login

# Logout
> iscsiadm -m node --targetname iqn.2009-07.com.test:data --portal 192.168.0.10:3260,1 --logout
# delete
> iscsiadm -m node -o delete --targetname iqn.2009-07.com.test:data --portal 192.168.0.10:3260,1
# check
> iscsiadm -m node

> fdisk /dev/sdb
n
p
1
<enter>
w

> mkfs.ext3 /dev/sdb1
> mkdir /data
> mount /dev/sdb1 /data


### For Multipath memo ###
> yum - install device-mapper-multipath
> vi /etc/multipath.conf
blacklist {
      devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st|sda)[0-9]*"
      devnode "^hd[a-z][0-9]*"
      devnode "^sd[a-c][0-9]*"
}

> service multipathd start
> multipath
> multipath -v2
> multipath -l
> ls -al /dev/mapper/mpath*
> mkinitrd -f -v --with=dm-rdac /boot/initrd-`uname -r`.img `uname -r`

### if you miss seeing for multipath 
Control -D
> /sbin/init 1
> mount -o remount,rw /

### Logical Volume Memo ###
> fdisk /dev/sdb
d
n
p
1

t
8e

> pvcreate /dev/sdb1 /dev/sdc1
> vgcreate new_vg /dev/sdb1 /dev/sdc1
> vgscan
> vgdisplay
> lvcreate -l 3576990 new_vg
> mkfs.ext4 /dev/new_vg/lvol0
> mount -t xfs /dev/new_vg/lvol0 /data

== Initiator (Windows XP)

# donwload initiator for windows XP and install
http://www.microsoft.com/downloads/details.aspx?familyid=12cb3c1a-15d6-4585-b385-befd1319f825&displaylang=en

# Type ip address of target server
Windows Controler -> ISCSI Initiator -> Discovery -> Target Portals -> ADD
Windows Controler -> ISCSI Initiator -> Tergets -> "Log On.."

# Format file 
Windows Controler -> Conputer Management