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HPUX: vmunix: Evpd inquiry page 83h/80h failed or the current page 83h/80h data do not match the previous known page 83h/80h data on LUN id 0x0 probed beneath the target path (class = tgtpath, instance = 27)

Looking at the logfile /var/adm/syslog/syslog.log I saw the messages

Mar 26 17:06:17 hpux vmunix: Evpd inquiry page 83h/80h failed or the current page 83h/80h data do not match the previous known page 83h/80h data on LUN id 0x0 probed beneath the target path (class = tgtpath, instance = 37) The lun path is (class = lunpath, instance 33).Run ‘scsimgr replace_wwid’ command to validate the change
Mar 26 17:06:47 hpux vmunix: Evpd inquiry page 83h/80h failed or the current page 83h/80h data do not match the previous known page 83h/80h data on LUN id 0x0 probed beneath the target path (class = tgtpath, instance = 27) The lun path is (class = lunpath, instance 25).Run ‘scsimgr replace_wwid’ command to validate the change

Running the command to validate the change

root@hpux:~ # scsimgr replace_wwid -C lunpath -I 27
scsimgr:WARNING: Performing replace_wwid on the resource may have some impact on system operation.
Do you really want to replace? (y/[n])? y
Binding of LUN path 0/2/0/0/0/0.0x5d8d385c1a8e4000.0x0 with new LUN validated successfully

root@hpux:~ # scsimgr -f replace_wwid -C lunpath -I 37
Binding of LUN path 0/4/0/0/0/1.0x5d8d385c1a8e4010.0x0 with new LUN validated successfully

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