HP 3PAR HP-UX Implementation Guide

presentation/unpresentation. The following outlines this consideration and the appropriate system
administrator actions:
1. Data VV LUN 2 presented to host, SES LUN 254 auto-presented to host:
# ioscan -fnC disk
Class I H/W Path Driver S/W State H/W Type Description
=======================================================================
disk 125 1/0/6/0/0/0/1.8.0.0.0.0.2 sdisk CLAIMED DEVICE
3PARdataVV
/dev/dsk/c5t0d2 /dev/rdsk/c5t0d2
disk 124 1/0/12/0/0/0/1.8.0.0.0.0.2 sdisk CLAIMED DEVICE
3PARdataVV
/dev/dsk/c7t0d2 /dev/rdsk/c7t0d2
# ioscan -fnC ctl
Class I H/W Path Driver S/W State H/W Type Description
=================================================================
ctl 5 1/0/6/0/0/0/1.8.0.0.1.15.6 sctl CLAIMED DEVICE
3PARdataSES
/dev/rscsi/c14t15d6
ctl 0 1/0/6/0/0/0/1.8.0.255.0.0.0 sctl CLAIMED DEVICE
3PARdataARRAY
/dev/rscsi/c4t0d0
ctl 4 1/0/12/0/0/0/1.8.0.0.1.15.6 sctl CLAIMED DEVICE
3PARdataSES
/dev/rscsi/c13t15d6
ctl 1 1/0/12/0/0/0/1.8.0.255.0.0.0 sctl CLAIMED DEVICE
3PARdataARRAY
/dev/rscsi/c6t0d0
2. Data VV LUN 254 has been presented to host, SES LUN 254 no longer auto-presented to
host:
# ioscan -fnC disk
Class I H/W Path Driver S/W State H/W Type Description
=======================================================================
disk 125 1/0/6/0/0/0/1.8.0.0.0.0.2 sdisk CLAIMED DEVICE
3PARdataVV
/dev/dsk/c5t0d2 /dev/rdsk/c5t0d2
disk 124 1/0/12/0/0/0/1.8.0.0.0.0.2 sdisk CLAIMED DEVICE
3PARdataVV
/dev/dsk/c7t0d2 /dev/rdsk/c7t0d2
Data VV LUN 254 not recognized.
# ioscan -fnC ctl
Class I H/W Path Driver S/W State H/W Type Description
=================================================================
ctl 5 1/0/6/0/0/0/1.8.0.0.1.15.6 sctl NO_HW DEVICE
3PARdataSES
/dev/rscsi/c14t15d6
ctl 0 1/0/6/0/0/0/1.8.0.255.0.0.0 sctl CLAIMED DEVICE
3PARdataARRAY
/dev/rscsi/c4t0d0
ctl 4 1/0/12/0/0/0/1.8.0.0.1.15.6 sctl NO_HW DEVICE
3PARdataSES
/dev/rscsi/c13t15d6
ctl 1 1/0/12/0/0/0/1.8.0.255.0.0.0 sctl CLAIMED DEVICE
3PARdataARRAY
/dev/rscsi/c6t0d0
Exporting LUNs to the Host 19