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Full Discussion: issue AIX MPIO path closed
Operating Systems AIX issue AIX MPIO path closed Post 303035653 by M_Nixon on Thursday 30th of May 2019 08:28:14 AM
Old 05-30-2019
sudo readvgda hdisk0

empty disks will show something like

Code:
Invalid lvm_rec!
00000E00   00000000 00000000 00000000 00000000  |................|
00000E10   00000000 00000000 00000000 00000000  |................|
00000E20   00000000 00000000 00000000 00000000  |................|
00000E30   00000000 00000000 00000000 00000000  |................|
00000E40   00000000 00000000 00000000 00000000  |................|
00000E50   00000000 00000000 00000000 00000000  |................|
00000E60   00000000 00000000 00000000 00000000  |................|
00000E70   00000000 00000000 00000000 00000000  |................|
00000E80   00000000 00000000 00000000 00000000  |................|
00000E90   00000000 00000000 00000000 00000000  |................|
00000EA0   00000000 00000000 00000000 00000000  |................|
00000EB0   00000000 00000000 00000000 00000000  |................|
00000EC0   00000000 00000000 00000000 00000000  |................|
00000ED0   00000000 00000000 00000000 00000000  |................|
00000EE0   00000000 00000000 00000000 00000000  |................|
00000EF0   00000000 00000000 00000000 00000000  |................|
read_lvm_rec had an error, exiting

Disks in use will show LV/RAC/VX type info.
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LEARN ABOUT NETBSD

icpsp

ICP(4)							   BSD Kernel Interfaces Manual 						    ICP(4)

NAME

     icp -- ICP-Vortex and Intel Storage RAID driver

SYNOPSIS

     icp* at pci? dev ? function ?
     ld* at icp? unit ?
     icpsp* at icp? unit ?
     scsibus* at icpsp?

DESCRIPTION

     The icp driver provides support for the newer (post 1997) ICP-Vortex GDT and Intel Storage RAID controllers.

     The ld driver provides access to logical devices (disk arrays) presented by the controller.  The icpsp driver provides direct access to other
     SCSI devices attached to the controller, such as tape or CD-ROM drives.

DIAGNOSTICS

     pci_mem_find: expected mem type 00000000, found 00000002
		   This message may be displayed during autoconfiguration if the controller's memory is mapped below 1MB in physical address
		   space.  This can be disabled either through changing a setting in the controller's BIOS utility, or changing the position of a
		   jumper on the board.  See your controller's documentation for more information.

SEE ALSO

     intro(4), ld(4), scsi(4)

HISTORY

     The icp driver first appeared in NetBSD 1.6, and was based on the FreeBSD and OpenBSD drivers of the same name.

BUGS

     ISA & EISA front-ends and a management interface are needed.

     Older PCI boards are not yet supported.

BSD
								  April 20, 2002							       BSD
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