iSCSI Initiator 설정 및 Target 마운트

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System Story/CentOS 5,6

iSCSI Initiator 설정 및 Target 마운트

helperchoi 2013. 11. 10. 20:19

※ Linux 에서 iSCSI 프로토콜을 이용하여 iSCSI Disk volume 마운트

[root@TEST02 ~]#

[root@TEST02 ~]# chkconfig --list | grep iscsi

iscsi 0:off 1:off 2:off 3:on 4:off 5:on 6:off

iscsid 0:off 1:off 2:off 3:on 4:off 5:on 6:off

[root@TEST02 ~]#

[root@TEST02 ~]# service iscsi status

iscsid (pid 1259) is running...

[root@TEST02 ~]#

[root@TEST02 ~]# service iscsid status

iscsid (pid 1259) is running...

[root@TEST02 ~]#

[root@TEST02 ~]# iscsiadm -m discovery -t st -p 192.168.137.10

192.168.137.10:3260,1 iqn.2013-09.192.168.137.10:storage.iscsi1

[root@TEST02 ~]#

[root@TEST02 ~]# iscsiadm -m node

192.168.137.10:3260,1 iqn.2013-09.192.168.137.10:storage.iscsi1

[root@TEST02 ~]#

[root@TEST02 ~]# iscsiadm -m session

tcp: [1] 192.168.100.254:3260,1 iqn.2013-09.192.168.137.10:storage.iscsi1

[root@TEST02 ~]#

[root@TEST02 ~]# iscsiadm -m node -p 192.168.137.10:3260 -T iqn.2013-09.192.168.137.10:storage.iscsi1 --login

Logging in to [iface: default, target: iqn.2013-09.192.168.137.10:storage.iscsi1, portal: 192.168.137.10,3260] (multiple)

[root@TEST02 ~]#

[root@TEST02 ~]# cat /proc/scsi/scsi

Attached devices:

Host: scsi4 Channel: 00 Id: 00 Lun: 05

Vendor: NEXENTA Model: COMSTAR Rev: 1.0

Type: Direct-Access ANSI SCSI revision: 05

Host: scsi4 Channel: 00 Id: 00 Lun: 06

Vendor: NEXENTA Model: COMSTAR Rev: 1.0

Type: Direct-Access ANSI SCSI revision: 05

[root@TEST02 ~]#

[root@TEST02 ~]# fdisk -l

Disk /dev/sda: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sda1 * 1 13 104391 83 Linux

/dev/sda2 14 1305 10377990 8e Linux LVM

Disk /dev/sdb: 1073 MB, 1073741824 bytes

34 heads, 61 sectors/track, 1011 cylinders

Units = cylinders of 2074 * 512 = 1061888 bytes

Device Boot Start End Blocks Id System

[root@TEST02 ~]#

[root@TEST02 ~]# fdisk /dev/sdb

n -> p -> 1 -> Enter -> Enter -> t -> 83 -> w

[root@TEST02 ~]#

[root@TEST02 ~]# fdisk -l

Disk /dev/sda: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sda1 * 1 13 104391 83 Linux

/dev/sda2 14 1305 10377990 8e Linux LVM

Disk /dev/sdb: 1073 MB, 1073741824 bytes

34 heads, 61 sectors/track, 1011 cylinders

Units = cylinders of 2074 * 512 = 1061888 bytes

Device Boot Start End Blocks Id System

/dev/sdb1 1 1011 1048376+ 83 Linux

[root@TEST02 ~]#

[root@TEST02 ~]# mkfs.ext3 /dev/sdb1

[root@TEST02 ~]#

[root@TEST02 ~]# mkdir /iSCSI

[root@TEST02 ~]#

[root@TEST02 ~]# mount -t ext3 /dev/sdb1 /iSCSI

[root@TEST02 ~]#

[root@TEST02 ~]# cd /iSCSI/

[root@TEST02 iSCSI]# ll

total 16

drwx------ 2 root root 16384 Sep 17 12:50 lost+found

[root@TEST02 iSCSI]#

[root@TEST02 iSCSI]# touch aaa

[root@TEST02 iSCSI]#

[root@TEST02 ~]#

[root@TEST02 ~]# echo "/dev/sdb1 /iSCSI ext3 _netdev 0 0" >> /etc/fstab

[root@TEST03 ~]#

[root@TEST03 ~]# fdisk -l

Disk /dev/sda: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sda1 * 1 13 104391 83 Linux

/dev/sda2 14 1305 10377990 8e Linux LVM

Disk /dev/sdb: 1073 MB, 1073741824 bytes

34 heads, 61 sectors/track, 1011 cylinders

Units = cylinders of 2074 * 512 = 1061888 bytes

Device Boot Start End Blocks Id System

/dev/sdb1 1 1011 1048376+ 83 Linux

[root@TEST03 ~]#

[root@TEST03 ~]# mount -t ext3 /dev/sdb1 /iSCSI

mount: special device /dev/sdb1 does not exist

[root@TEST03 ~]#

[root@TEST02 ~]#

[root@TEST02 ~]# mount -l | grep SCSI

/dev/sdb1 on /iSCSI type ext3 (rw)

[root@TEST02 ~]#

[root@TEST02 ~]# umount /dev/sdb1

[root@TEST02 ~]#

[root@TEST02 /]#

[root@TEST02 /]# iscsiadm -m node --targetname iqn.2013-09.192.168.137.10:storage.iscsi1 --logout

Logging out of session [sid: 1, target: iqn.2013-09.192.168.137.10:storage.iscsi1, portal: 192.168.137.10,3260]

Logout of [sid: 1, target: iqn.2013-09.192.168.137.10:storage.iscsi1, portal: 192.168.137.10,3260] successful.

[root@TEST02 /]#

[root@TEST03 /]#

[root@TEST03 /]# iscsiadm -m discovery -t st -p 192.168.137.10 (또는 iscsiadm --mode discoverydb --type sendtargets --portal 192.168.137.10 --discover )

192.168.137.10:3260,1 iqn.2013-09.192.168.137.10:storage.iscsi1

[root@TEST03 /]#

[root@TEST03 /]# iscsiadm -m node -p 192.168.137.10:3260 -T iqn.2013-09.192.168.137.10:storage.iscsi1 --login

Logging in to [iface: default, target: iqn.2013-09.192.168.137.10:storage.iscsi1, portal: 192.168.137.10,3260] (multiple)

[root@TEST03 /]#

[root@TEST03 /]# fdisk -l

Disk /dev/sda: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sda1 * 1 13 104391 83 Linux

/dev/sda2 14 1305 10377990 8e Linux LVM

Disk /dev/sdb: 1073 MB, 1073741824 bytes

34 heads, 61 sectors/track, 1011 cylinders

Units = cylinders of 2074 * 512 = 1061888 bytes

Device Boot Start End Blocks Id System

/dev/sdb1 1 1011 1048376+ 83 Linux

[root@TEST03 /]#

[root@TEST03 /]# mount -t ext3 /dev/sdb1 /iSCSI

[root@TEST03 /]#

[root@TEST03 /]# mount -l | grep SCSI

/dev/sdb1 on /iSCSI type ext3 (rw)

[root@TEST03 /]#

[root@TEST03 /]# ls -l /iSCSI/

total 16

-rw-r--r-- 1 root root 0 Sep 17 12:50 aaa

drwx------ 2 root root 16384 Sep 17 12:50 lost+found

[root@TEST03 /]#

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