HP StorageWorks XP12000 HP StorageWorks XP Disk Array Configuration Guide: Ope - Page 18

Configuring ports, OpenVMS device name $1$dgaxxx, where xxx = CU with LDEV appended Then convert

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• Configuring ports • Enabling LUN security on the ports • Creating host groups • Assigning Fibre Channel adapter WWNs to host groups • Mapping volumes (LDEVs) to host groups (by assigning LUNs) Path configuration for OpenVMS requires the following steps: 1. Define a single "command device" LUN per XP array and present it to the OpenVMS hosts across all connected paths. 2. If Host Mode Option 33 is not enabled, for all LUNS, determine the device number as follows (once OpenVMS sees the XP disks): OpenVMS device name ($1$dgaxxx), where xxx = CU with LDEV appended (Then convert the created number from hex to decimal) Example For an XP LUN with a CU of 2 and an LDEV of 59: CU with LDEV appended = 259 259 hex = 601 decimal The example LUN is presented to OpenVMS as $1$dga601. 3. For all LUNs if Host Mode Option 33 is used, the DGA device number is the UUID value for the LUN. Once all paths are defined, use the SYSMAN utility on each OpenVMS system in the SAN to discover the XP ports and LUNs just added. For a single system: $run sys$system:sysman io autoconfigure/LOG For all the systems in an OpenVMS cluster: 18 Installing and configuring OpenVMS for the XP disk array

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Configuring ports
•
Enabling LUN security on the ports
•
Creating host groups
•
Assigning Fibre Channel adapter WWNs to host groups
•
Mapping volumes (LDEVs) to host groups (by assigning LUNs)
Path configuration for OpenVMS requires the following steps:
1.
Define a single
“
command device
”
LUN per XP array and present it to the OpenVMS hosts across
all connected paths.
2.
If Host Mode Option 33 is not enabled, for all LUNS, determine the device number as follows
(once OpenVMS sees the XP disks):
OpenVMS device name ($1$dgaxxx), where xxx = CU with LDEV appended (Then convert the
created number from hex to decimal)
Example
For an XP LUN with a CU of 2 and an LDEV of 59:
CU with LDEV appended = 259
259 hex = 601 decimal
The example LUN is presented to OpenVMS as $1$dga601.
3.
For all LUNs if Host Mode Option 33 is used, the DGA device number is the UUID value for the
LUN.
Once all paths are defined, use the SYSMAN utility on each OpenVMS system in the SAN to discover
the XP ports and LUNs just added.
For a single system:
$run sys$system:sysman io autoconfigure/LOG
For all the systems in an OpenVMS cluster:
Installing and configuring OpenVMS for the XP disk array
18