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тАО09-12-2009 08:10 AM
тАО09-12-2009 08:10 AM
Question: what is the correct sequence of commands to tell HPUX to accept a brand new device on a path that already had a disk on it?
Solved! Go to Solution.
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тАО09-12-2009 06:01 PM
тАО09-12-2009 06:01 PM
Re: NO_HW on DSF path
Presenting new luns to a server comes first from the SAN admin who should provide you with the lun id. 2nd, if EMC Power Path run 'powermt display', as well as 'syminq' or 'symdg list'. There are several basic EMC, XP (* xpinfo *), Hitachi, Shark, etc. disk array commands separate from the HP-UX command set.
Now run 'insf -e'. This recreates the device pathways. Sometimes you have to do it twice. Now it should be viewable from 'ioscan -fnk'. Note, use -fnk to rebuild the ioscan binary stored in the kernel. -funC refers to the old report.
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тАО09-12-2009 06:33 PM
тАО09-12-2009 06:33 PM
Re: NO_HW on DSF path
I tied insf with and without the '-e' but I may not have tried it with the '-e' twice in a row. I don't know if insf works differently in 11iv3. In the past it only created the device files if ioscan already showed the path. In my case the path was shown as NO_HW. after doing the rmsf -H on each path and also on the LUN path, ioscan didn't rediscover the path at all. It was like the LUN was completley gone.
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тАО09-13-2009 01:02 AM
тАО09-13-2009 01:02 AM
SolutionSeems to me you should read the section of this WP entitled "Validating online replacement of devices and SAN reconfigurations"
http://docs.hp.com/en/scsimgr/scsimgr_whp_AR0803.pdf
HTH
Duncan
I am an HPE Employee
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тАО09-13-2009 04:00 PM
тАО09-13-2009 04:00 PM
Re: NO_HW on DSF path
I posted two questions and you answered them both. The scsimgr command was exactly what I needed.