When a VIO client accesses a virtual SCSI disk that is backed by a Dynamic Multi-Pathing (DMP) device on the a Virtual I/O server, the VIO client can access the extended attributes associated with the virtual SCSI disk.
The following commands can access and display extended attributes information associated with the vSCSI disk backed by DMP device on a Virtual I/O server.
vxdisk -e list
vxdmpadm list dmpnodename=<daname>
vxdmpadm -v getdmpnode dmpnodename=<daname>
vxdisk -p list <daname>
For example, use the following command on the VIO client dmpvioc1:
# vxdisk -e list
DEVICE TYPE DISK GROUP STATUS OS_NATIVE_NAME ATTR ibm_ds8x000_114f auto:LVM - - LVM hdisk83 std 3pardata0_3968 auto:aixdisk - - online thin hdisk84 tp
# vxdmpadm list dmpnode dmpnodename=3pardata0_3968
dmpdev = 3pardata0_3968 state = enabled enclosure = 3pardata0 cab-sno = 744 asl = libvxvscsi.so vid = AIX pid = VDASD array-name = 3PARDATA array-type = VSCSI iopolicy = Single-Active avid = 3968 lun-sno = 3PARdata%5FVV%5F02E8%5F2AC00F8002E8 udid = AIX%5FVDASD%5F%5F3PARdata%255FVV%255F02E8%255F2AC00F8002E8 dev-attr = tp ###path = name state type transport ctlr hwpath aportID aportWWN attr path = hdisk84 enabled(a) - SCSI vscsi1 vscsi1 3 - -