Thursday, September 1, 2011

Veritas DMP HP-UX native LVM configuration

HP-UX native LVM is supported with Veritas DMP for multipathing. dmp_native_support parameter must be turned on and Enclosure Base Name (EBN) scheming must be used in order for DMP to manage LVM.

#vxddladm get namingscheme
#vxddladm set namingscheme=ebn persistence=yes

#vxdmpadm gettune
#vxdmpadm settune dmp_native_support=on

On HP-UX 11.31 1003IC, the pvcreate Utility fails to create Physical
volumes with DMP devices. As a work around, use corresponding native multipathing (nMP metanode/OS path) to create physical volume using pvcreate Utility.

Instead of "pvcreate -f /dev/vx/dmp/emc_clariion0_1", "pvcreate -f /dev/rdisk/disk110" should be used.

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