can not find vls tape drive，after vls reconfg

[izhuzhu]

can not find vls tape drive，after vls reconfg

 the dmesg  output

class : tgtpath, instance 39
Target path re-registration failed: the original target node name cannot change.

class : tgtpath, instance 40
Target path re-registration failed: the original target node name cannot change

then rmsf the old tape drive  device file

 and ioscan and insf -e  ，but can not find drive

and use scsimgr replace_wwid  -C tgtpath -I 39  ，not effect

how can i do？ the host can not reboot