ISCSI (Internet Small Computer System Interface) , Internet Small Computer System Interface, also known as IP-SAN is a storage technology based on the Internet under the SCSI-3 protocol and
is directly on the device sharing service iscsi
nfs network shared file system services
smb / cifs LAN to share file services
provided
SELinux modifications to warning mode
0 setenforce
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server
to create a new partition / dev / vdb1, size 1G
Installation targetcli 
turn on and turn target
target command to enter see directory 
creation block store, create iqn name 
See iqn directory 
created LUN (block device logical unit) 
created ACL allows ISCSI clients connected 
client domain name should be consistent with the above, the latter names are free from
configure client IP address and port
The default port is 3260 
to join firewall mechanism port 3260 
is loaded View 
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Client
Installation Client Tools 
systemctl start iscsid
Open
systemctl enable iscisd
Boot from Kai
editing configuration files 
and server create a consistent ACL
restart
systemctl restart iscsi
found iqn server 
identifies the server shared 
view hard disk information and found that the virtual hard disk / dev / sda
fdisk the -l 
format the virtual hard disk 
Mount 
View Mount UUID 
permanently hanging load 
automatically mount all the equipment 
to see mount
ISCSI uninstall 
the configuration file is deleted permanently mounting information in 
the installation tool tree 
view tree diagram
tree / var / lib / iscsi 
unloading ISCSI node 
delete ISCSI node 
view ISCSI node tree diagram has been deleted 
Check the hard disk / dev / sda virtual hard disk has been removed 
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the server
to delete all profiles
