未找到通过 iscsi 连接的设备/dev/disk/by-path。
还iscsiadm显示有未连接磁盘的设备：
sudo iscsiadm -m session -P 3
iSCSI Transport Class version 2.0-870
version 2.0-873
Target: iqn.2000-08.com.datacore:win2012-2
Current Portal: 172.17.4.48:3260,1
Persistent Portal: 172.17.4.48:3260,1
**********
Interface:
**********
Iface Name: default
Iface Transport: tcp
Iface Initiatorname: iqn.1993-08.org.debian:01:873f6f119c4
Iface IPaddress: 172.17.6.89
Iface HWaddress: <empty>
Iface Netdev: <empty>
SID: 11
iSCSI Connection State: LOGGED IN
iSCSI Session State: LOGGED_IN
Internal iscsid Session State: NO CHANGE
*********
Timeouts:
*********
Recovery Timeout: 120
Target Reset Timeout: 30
LUN Reset Timeout: 30
Abort Timeout: 15
*****
CHAP:
*****
username: <empty>
password: ********
username_in: <empty>
password_in: ********
************************
Negotiated iSCSI params:
************************
HeaderDigest: None
DataDigest: None
MaxRecvDataSegmentLength: 262144
MaxXmitDataSegmentLength: 262144
FirstBurstLength: 0
MaxBurstLength: 1048576
ImmediateData: No
InitialR2T: Yes
MaxOutstandingR2T: 1
************************
Attached SCSI devices:
************************
Host Number: 19 State: running
scsi19 Channel 00 Id 0 Lun: 0
Attached scsi disk sdcs State: running
scsi19 Channel 00 Id 0 Lun: 1
scsi19 Channel 00 Id 0 Lun: 10
Attached scsi disk sdaw State: running
scsi19 Channel 00 Id 0 Lun: 11
Attached scsi disk sdax State: running
scsi19 Channel 00 Id 0 Lun: 12
Attached scsi disk sday State: running
scsi19 Channel 00 Id 0 Lun: 13
scsi19 Channel 00 Id 0 Lun: 14
Attached scsi disk sdba State: running
例如，请参阅 Lun 1 或 Lun 13。