iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)

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在添加iscsi磁盘的时候出现如下问题：

[root@Rac-two ~]# iscsiadm -m discovery -t sendtargets -p 192.168.2.11:3260
192.168.2.11:3260,1 iqn.2006-01.com.openfiler:tsn.0448d623a7b0
[root@Rac-two ~]# fdisk -l

Disk /dev/sda: 32.2 GB, 32212254720 bytes
255 heads, 63 sectors/track, 3916 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000756f8

   Device Boot      Start         End      Blocks   Id System
/dev/sda1   *           1          13      102400   83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              13        3917    31353856   8e Linux LVM

Disk /dev/mapper/vg_racone-LogVol01: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/vg_racone-LogVol00: 1610 MB, 1610612736 bytes
255 heads, 63 sectors/track, 195 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

[root@Rac-two ~]# iscsiadm -m node -p 192.168.2.11:3260 -l
Logging in to [iface: default, target: iqn.2006-01.com.openfiler:tsn.0448d623a7b0, portal: 192.168.2.11,3260] (multiple)
iscsiadm: Could not login to [iface: default, target: iqn.2006-01.com.openfiler:tsn.0448d623a7b0, portal: 192.168.2.11,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not log into all portals

解决办法：

重启iscsi服务：

[root@Rac-two ~]# /etc/init.d/iscsi restart
Stopping iscsi: [ OK ]
Starting iscsi: [ OK ]
[root@Rac-two ~]# iscsiadm -m discovery -t sendtargets -p 192.168.2.11:3260
192.168.2.11:3260,1 iqn.2006-01.com.openfiler:tsn.11f5bacd230d
[root@Rac-two ~]# fdisk -ll

Disk /dev/sdb: 17.0 GB, 16978542592 bytes
64 heads, 32 sectors/track, 16192 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdd: 1073 MB, 1073741824 bytes
34 heads, 61 sectors/track, 1011 cylinders
Units = cylinders of 2074 * 512 = 1061888 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sde: 1073 MB, 1073741824 bytes
34 heads, 61 sectors/track, 1011 cylinders
Units = cylinders of 2074 * 512 = 1061888 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdf: 1073 MB, 1073741824 bytes
34 heads, 61 sectors/track, 1011 cylinders
Units = cylinders of 2074 * 512 = 1061888 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdc: 8623 MB, 8623489024 bytes
64 heads, 32 sectors/track, 8224 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

[root@Rac-two ~]#

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