系统管理指南:设备和文件系统

Procedure监视 iSCSI 配置

通过使用 iscsiadm list 命令,可以显示有关 iSCSI 启动器和目标设备的信息。

  1. 成为超级用户。

  2. 显示有关 iSCSI 启动器的信息。

    例如:


    # iscsiadm list initiator-node
    
    Initiator node name: iqn.1986-03.com.sun:01:0003ba4d233b.425c293c
    
    Initiator node alias: zzr1200
    
            Login Parameters (Default/Configured):
    
                    Header Digest: NONE/-
    
                    Data Digest: NONE/-
    
            Authentication Type: NONE
    
            RADIUS Server: NONE
    
            RADIUS access: unknown
    
            Configured Sessions: 1
  3. 显示有关当前使用的搜索方法的信息。

    例如:


    # iscsiadm list discovery
    
    Discovery:
    
    	Static: enabled
    
    	Send Targets: enabled
    
    	iSNS: enabled

示例 15–1 列出 iSCSI 目标信息

以下示例显示如何列出特定 iSCSI 目标的参数设置。


# iscsiadm list target-param iqn.1992-08.com.abcstorage:sn.33592219

        Target: iqn.1992-08.com.abcstorage:sn.33592219

iscsiadm list target-param -v 命令将显示以下信息:

iscsiadm list target-param -v 命令将在 / 指示符前显示缺省参数值,并在 / 指示符后显示已配置的参数值。如果未配置任何参数,则已配置的参数值将显示为连字符 (-)。有关更多信息,请参见以下示例:


# iscsiadm list target-param -v eui.50060e8004275511 Target: eui.50060e8004275511

        Alias: -

        Bi-directional Authentication: disabled

        Authentication Type: NONE

        Login Parameters (Default/Configured):

                Data Sequence In Order: yes/-

                Data PDU In Order: yes/-

                Default Time To Retain: 20/-

                Default Time To Wait: 2/-

                Error Recovery Level: 0/-

                First Burst Length: 65536/-

                Immediate Data: yes/-

                Initial Ready To Transfer (R2T): yes/-

                Max Burst Length: 262144/-

                Max Outstanding R2T: 1/-

                Max Receive Data Segment Length: 65536/-

                Max Connections: 1/-

                Header Digest: NONE/-

                Data Digest: NONE/-

        Configured Sessions: 1

以下示例 iscsiadm list target-param -v 输出显示了目标与启动器之间协商的参数。


# iscsiadm list target -v eui.50060e8004275511

Target: eui.50060e8004275511

        TPGT: 1

        ISID: 4000002a0000

        Connections: 1

                CID: 0

                  IP address (Local): 172.90.101.71:32813

                  IP address (Peer): 172.90.101.40:3260

                  Discovery Method: Static

                  Login Parameters (Negotiated):

                        Data Sequence In Order: yes

                        Data PDU In Order: yes

                        Default Time To Retain: 0

                        Default Time To Wait: 3

                        Error Recovery Level: 0

                        First Burst Length: 65536

                        Immediate Data: yes

                        Initial Ready To Transfer (R2T): yes

                        Max Burst Length: 262144

                        Max Outstanding R2T: 1

                        Max Receive Data Segment Length: 65536

                        Max Connections: 1

                        Header Digest: NONE

                        Data Digest: NONE