| Document revision date: 30 March 2001 | |
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The FC interconnect can be reconfigured while the hosts are running OpenVMS. This includes the ability to:
OpenVMS does not automatically detect most FC reconfigurations. You must use the following procedure to safely perform an FC reconfiguration, and to ensure that OpenVMS has adjusted its internal data structures to match the new state:
SYSMAN> IO SCSI_PATH_VERIFY SYSMAN> IO AUTOCONFIGURE |
The purpose of the SCSI_PATH_VERIFY command is to check each FC path in the system's IO database to determine whether the attached device has been changed. If a device change is detected, then the FC path is disconnected in the IO database. This allows the path to be reconfigured for a new device by using the IO AUTOCONFIGURE command.
In the current release, the SCSI_PATH_VERIFY command only operates on FC disk devices. It does not operate on generic FC devices, such as the HSG command console LUN (CCL). (Generic FC devices have names such as $1$GGAnnnnn. This means that once the CCL of an HSG has been configured by OpenVMS with a particular device identifier, its device identifier should not be changed. |
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