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How to Check Whether the iSCSI Services on the Host are Completely Stopped From the Storage Device?

Publication Date:  2012-07-18 Views:  61 Downloads:  0
Issue Description
Before a fault is troubleshot or a storage system is upgraded, iSCSI services often need to be stopped; otherwise, the file system may be damaged and other more serious consequences may be caused. Therefore, make sure that iSCSI services on the host are completely stopped before a storage system is restarted or upgraded.
Alarm Information
None
Handling Process
Log in to the CLI of the storage system and run the showiscsilinkedport command to check whether iSCSI connections still exist between the host and the storage system. For example: OceanStor: admin> showiscsilinkedport Index Target Name Target Port Init Name Init Port 0 iqn.2006-08 192.168.1.1 iqn.1987- 192.168.1.12:58255 .com.huawei 1:3260 05.com.ci :oceanstor: sco:01.2f 21000018827 5b528a1aa 8cf98:notco b nfig The messages above indicate that the host whose IP address is 192.168.1.12 has iSCSI connections to the storage system. The iSCSI services on the host must be stopped before the next operation is performed. If all iSCSI services on the host have been stopped, no message is displayed after the command is executed. This command applies to many storage devices that run iSCSI services, including V1000, S2000, S2600, and S5000.
Root Cause
None
Suggestions
Make sure that iSCSI services on the host are completely stopped before a storage system is restarted or upgraded. If you cannot judge whether iSCSI services on the host are completely stopped from the host, the method mentioned above is recommended.

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