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Operating Systems AIX AIX Sanboot from EMC Symmetrix with NPIV Post 302547342 by pwright84 on Monday 15th of August 2011 09:17:11 AM
Old 08-15-2011
You can call a command 'pprootdev fix' which basically take the root disks out of controll of powerpath and allows you to use bosboot command which is required for the upgrade:

Server name:# lspv
hdisk0 none None
hdisk1 none None
hdisk2 none None
hdisk3 none None
hdisk4 none None
hdiskpower0 00c9899e41bb43a2 pagingvg active
hdisk8 none None
hdiskpower2 00c9899e41bb40f8 appvg active
hdiskpower3 00c9899e41bc1c90 nimvg active
hdisk6 none None
hdisk7 none None
hdiskpower1 00c9899e081b0d91 rootvg active
hdisk9 none None
hdisk10 none None
Server name:# pprootdev fix

bosboot: Boot image is 49340 512 byte blocks.
You may now run bosboot.
PowerPath boot remains enabled for the next system boot.
Server name :# lspv
hdisk0 none None
hdisk1 none None
hdisk2 00c9899e081b0d91 rootvg active
hdisk3 none None
hdisk4 none None
hdiskpower0 00c9899e41bb43a2 pagingvg active
hdisk8 00c9899e081b0d91 rootvg active
hdiskpower2 00c9899e41bb40f8 appvg active
hdiskpower3 00c9899e41bc1c90 nimvg active
hdisk6 none None
hdisk7 none None
hdiskpower1 none None
hdisk9 none None
hdisk10 none None
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