월간 인기 게시물

게시물 1,373건
   
iscsi path
글쓴이 : 최고관리자 날짜 : 2012-05-08 (화) 11:25 조회 : 6395
글주소 :
                                
/dev/disk/by-path 


Target 1: iqn.2011-02.com.smileserv:192.168.93.12
    System information:
        Driver: iscsi
        State: ready
    I_T nexus information:
        I_T nexus: 30
            Initiator: iqn.2011-02.com.smileserv:192.168.86.12
            Connection: 0
                IP Address: 192.168.86.12
    LUN information:
        LUN: 0
            Type: controller
            SCSI ID: IET     00010000
            SCSI SN: beaf10
            Size: 0 MB
            Online: Yes
            Removable media: No
            Backing store type: null
            Backing store path: None
            Backing store flags:
        LUN: 1
            Type: disk
            SCSI ID: IET     00010001
            SCSI SN: beaf11
            Size: 10486 MB
            Online: Yes
            Removable media: No
            Backing store type: rdwr
            Backing store path: /PATH/IMAGE/192.168.86.12_CentOS-5.X_i386_APM_8Thread.img
            Backing store flags:
    Account information:
    ACL information:
        192.168.86.12

Target 101: iqn.2011-02.com.smileserv:192.168.20.7
    System information:
        Driver: iscsi
        State: ready
    I_T nexus information:
    LUN information:
        LUN: 0
            Type: controller
            SCSI ID: IET     00650000
            SCSI SN: beaf1010
            Size: 0 MB
            Online: Yes
            Removable media: No
            Backing store type: null
            Backing store path: None
            Backing store flags:
        LUN: 1
            Type: disk
            SCSI ID: IET     00650001
            SCSI SN: beaf1011
            Size: 31457 MB
            Online: Yes
            Removable media: No
            Backing store type: rdwr
            Backing store path: /PATH/IMAGE/Sample_30G_CentOS_5_64.img_1
            Backing store flags:
    Account information:
    ACL information:
        192.168.86.12


[root@localhost ~]# iscsiadm -m discovery -t sendtargets -p 192.168.20.4
192.168.20.4:3260,1 iqn.2011-02.com.smileserv:192.168.93.12
192.168.20.4:3260,1 iqn.2011-02.com.smileserv:192.168.20.7

[root@localhost by-path]# pwd
/dev/disk/by-path

[root@localhost by-path]# ls -l
lrwxrwxrwx 1 root root   9  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1 -> ../../sda
lrwxrwxrwx 1 root root  10  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1-part1 -> ../../sda1
lrwxrwxrwx 1 root root  10  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1-part2 -> ../../sda2
lrwxrwxrwx 1 root root   9  4월 29 11:16 pci-0000:00:1f.2-scsi-0:0:0:0 -> ../../sdb

[root@localhost ~]# iscsiadm -m node -T iqn.2011-02.com.smileserv:192.168.20.7 -p 192.168.20.4:3260 -l
Logging in to [iface: default, target: iqn.2011-02.com.smileserv:192.168.20.7, portal: 192.168.20.4,3260]
Login to [iface: default, target: iqn.2011-02.com.smileserv:192.168.20.7, portal: 192.168.20.4,3260] successful.

[root@localhost by-path]# ls -l
lrwxrwxrwx 1 root root  9  5월  8 10:52 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.7-lun-1 -> ../../sdc
lrwxrwxrwx 1 root root 10  5월  8 10:52 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.7-lun-1-part1 -> ../../sdc1
lrwxrwxrwx 1 root root 10  5월  8 10:52 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.7-lun-1-part2 -> ../../sdc2
lrwxrwxrwx 1 root root  9  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1 -> ../../sda
lrwxrwxrwx 1 root root 10  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1-part2 -> ../../sda2
lrwxrwxrwx 1 root root  9  4월 29 11:16 pci-0000:00:1f.2-scsi-0:0:0:0 -> ../../sdb




# tgtadmin 추가
/usr/sbin/tgtadm --lld iscsi --op new --mode target --tid 100 -T iqn.2011-02.com.smileserv:192.168.20.6
/usr/sbin/tgtadm --lld iscsi --op new --mode logicalunit --tid 100 --lun 1 -b /CLOUD_R/ING_IMAGE/Sample_30G_CentOS_5_64.img
/usr/sbin/tgtadm --lld iscsi --op bind --mode target --tid 100 -I 192.168.86.12

# target 리스트 올라온거 확인
[root@localhost by-path]# iscsiadm -m discovery -t sendtargets -p 192.168.20.4
192.168.20.4:3260,1 iqn.2011-02.com.smileserv:192.168.93.12
192.168.20.4:3260,1 iqn.2011-02.com.smileserv:192.168.20.7
192.168.20.4:3260,1 iqn.2011-02.com.smileserv:192.168.20.6

# 로그인
[root@localhost by-path]# iscsiadm -m node -T iqn.2011-02.com.smileserv:192.168.20.6 -p 192.168.20.4:3260 -l
Logging in to [iface: default, target: iqn.2011-02.com.smileserv:192.168.20.6, portal: 192.168.20.4,3260]
Login to [iface: default, target: iqn.2011-02.com.smileserv:192.168.20.6, portal: 192.168.20.4,3260] successful.

[root@localhost by-path]# ls -l
합계 0
lrwxrwxrwx 1 root root  9  5월  8 11:00 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.6-lun-1 -> ../../sdd
lrwxrwxrwx 1 root root 10  5월  8 11:00 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.6-lun-1-part1 -> ../../sdd1
lrwxrwxrwx 1 root root 10  5월  8 11:00 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.6-lun-1-part2 -> ../../sdd2
lrwxrwxrwx 1 root root  9  5월  8 10:52 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.7-lun-1 -> ../../sdc
lrwxrwxrwx 1 root root 10  5월  8 10:52 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.7-lun-1-part1 -> ../../sdc1
lrwxrwxrwx 1 root root 10  5월  8 10:52 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.20.7-lun-1-part2 -> ../../sdc2
lrwxrwxrwx 1 root root  9  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1 -> ../../sda
lrwxrwxrwx 1 root root 10  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10  4월 29 11:16 ip-192.168.20.4:3260-iscsi-iqn.2011-02.com.smileserv:192.168.93.12-lun-1-part2 -> ../../sda2
lrwxrwxrwx 1 root root  9  4월 29 11:16 pci-0000:00:1f.2-scsi-0:0:0:0 -> ../../sdb



### 삭제 ##
# tgtadm 삭제
[root@localhost by-path]# iscsiadm -m node -T iqn.2011-02.com.smileserv:192.168.20.6 -p 192.168.20.4:3260 --logout
Logging out of session [sid: 3, target: iqn.2011-02.com.smileserv:192.168.20.6, portal: 192.168.20.4,3260]
Logout of [sid: 3, target: iqn.2011-02.com.smileserv:192.168.20.6, portal: 192.168.20.4,3260] successful.


-m --mode
-T --target
-p --portal
-I --login
-u, --logout

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