When adding LUN’s to AIX, the below commands can be helpful to add SAN disks. These commands will help add the disks and also assist in identifying an issue as to why the server may not see the newly create SAN disks.
Get WWN, Model, Part Number, etc. From HBA
lscfg -vp -l fcs0
Rescan all AIX devices after LUN Assignment
cfgmgr
Identify Fiber Channel Adapters
lsdev -Cc adapter | grep fcs
Get Fiber Card Status
fcstat fcs0
Check if HBA port is up or down
fcstat -D fcs0 | grep Attention
See All Local and SAN Disks on System
lsdev -Cc disk
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