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与 iSCSI 数据存储的连接中断并显示错误“不可访问 (inaccessible)” (52104)

Last Updated: 12/26/2017Categories: TroubleshootingTotal Views: 1Language:
Chinese (Simplified)English

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Symptoms

免责声明：本文为 Connection to iSCSI Datastore is lost with the error "(inaccessible)" 的翻译版本。尽管我们会不断努力为本文提供最佳翻译版本，但本地化的内容可能会过时。有关最新内容，请参见英文版本。

与 iSCSI 数据存储的连接中断并显示错误 (inaccessible)

在 /var/log/vmkernel.log 文件中，您会看到类似以下内容的条目：

2017-03-14T08:15:19.484Z cpu12:69640)Tcpip: 2998: msleep returned 4
2017-03-14T08:15:19.572Z cpu16:69640)iscsi_vmk: iscsivmk_ConnNetRegister: socket 0x43072c894850 network resource pool netsched.pools.persist.iscsi associated
2017-03-14T08:15:19.572Z cpu16:69640)iscsi_vmk: iscsivmk_ConnNetRegister: socket 0x43072c894850 network tracker id 940406530 tracker.iSCSI.10.168.51.2 associated
2017-03-14T08:15:19.823Z cpu17:69640)WARNING: iscsi_vmk: iscsivmk_StartConnection: vmhba64:CH:0 T:7 CN:0: iSCSI connection is being marked "ONLINE"
2017-03-14T08:15:19.823Z cpu17:69640)WARNING: iscsi_vmk: iscsivmk_StartConnection: Sess [ISID: 00023d000001 TARGET: iqn.2009-10.com.osnexus:20e334c8-cb39862e2fdbd5b7:MHS551 TPGT: 1 TSIH: 0]
2017-03-14T08:15:19.823Z cpu17:69640)WARNING: iscsi_vmk: iscsivmk_StartConnection: Conn [CID: 0 L: 10.168.51.115:35374 R: 10.168.51.2:3260]

在 /var/log/vobd.log 文件中，您会看到类似以下内容的条目：

2017-03-14T08:15:26.909Z: [iscsiCorrelator] 6967022647679us: [vob.iscsi.target.connect.error] vmhba64 @ vmk2 failed to login to iqn.2009-10.com.osnexus:20e334c8-cb39862e2fdbd5b7:MHS551 because of a network connection failure.
2017-03-14T08:15:26.910Z: [iscsiCorrelator] 6967053597349us: [esx.problem.storage.iscsi.target.connect.error] Login to iSCSI target iqn.2009-10.com.osnexus:20e334c8-cb39862e2fdbd5b7:MHS551 on vmhba64 @ vmk2 failed. The iSCSI initiator could not establish a network connection to the target.
2017-03-14T08:15:26.911Z: [iscsiCorrelator] 6967022648151us: [vob.iscsi.target.connect.error] vmhba64 @ vmk3 failed to login to iqn.2009-10.com.osnexus:20e334c8-cb39862e2fdbd5b7:MHS551 because of a network connection failure.=

注意：上述日志摘录仅为示例。日期、时间和环境变量可能会因环境而有所不同。

Cause

对不同子网上的 VMkernel 端口使用端口绑定时，会出现此问题。

Resolution

要解决此问题，请在所有主机上从端口绑定移除 VMkernel 端口（如果这些端口位于不同的子网）。

将所有虚拟机迁移到其他 ESXi 主机。

将 ESXi 主机置于维护模式。

卸载所有 iSCSI 数据存储。

注意：确保只卸载数据存储，不要进行删除。

从端口绑定移除 vmkernel 端口。

注意：系统提示将从设置中移除最后一个 vmkernel 端口时，单击是。

执行存储重新扫描。

重新引导 ESXi 主机。

将主机退出维护模式。

将虚拟机从其他主机迁移到更新的主机，并对其他主机重复此过程。

注意：用于 iSCSI 连接的所有 VMkernel 端口都必须位于同一广播域和 IP 子网中。有关详细信息，请参见 Considerations for using software iSCSI port binding in ESX/ESXi (2038869).

Detectable by VMware SkylineTM

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