TARGET (instead of LUN) based FC SCSI adapter IOCTL

TARGET (instead of LUN) based FC SCSI adapter IOCTL


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Posted by Daniel on March 15, 2002 at 11:44:01:

I need a non-disruptive TARGET based FC SCSI adapter IOCTL on AIX. The ioctls I found (in scsi_buf.h) are all LUN based, such as sending INQ to a specific TARGET/LUN etc.

THe challange here is to distinguish in a FC switched environment which target is dead. An example would be in a 1:n fan-out switch configuration, host needs to decide if a target is dead. Sending ioctls to a specific LUN on that target will determine conclusively if the target is alive, but not conclusively if it's dead.


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