Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access for P9000 and XP A.11.00

Now, use Raid Manager commands to get further information from the disk arrays. To verify
the software revision of the Raid Manager and the firmware revision of the P9000 or XP disk
array, run the following command:
# raidqry -l
NOTE: Verify for the minimum requirement level for XP/P9000, Raid Manager software,
and firmware for your version listed in the Metrocluster with Continuous Access for P9000
and XP Release Notes.
Identifying HP-UX device files
Before you create volume groups or disk groups, you must determine the Device Special Files
(DSFs) of the corresponding LUNs used in the XP array. To determine the legacy DSFs
corresponding to the LUNs in the P9000 or XP array, run the following command:
# ls /dev/rdsk/* | raidscan -find -fx
The following output is displayed
DEVICE_FILE UID S/F PORT TARG LUN SERIAL LDEV PRODUCT_ID
/dev/rdsk/c5t0d0 0 F CL3-E 0 0 10053 321 OPEN-3
This output displays the mapping between the legacy DSFs and the CU:LDEVs. In this output
the value for LDEV specifies the CU:LDEV without the : mark.
To determine the agile DSFs that are supported from HP-UX 11i v3 and CU:LDEV mapping
information run the following command:
# ls /dev/rdisk/* | raidscan -find -fx
The following output is displayed
DEVICE_FILE UID S/F PORT TARG LUN SERIAL LDEV PRODUCT_ID
/dev/rdisk/disk232 0 F CL4-E 0 0 10053 321 OPEN-3
NOTE: There must also be alternate links for every device, and these alternate links must be
on different buses inside the P9000 or XP disk array. For Example, these alternate links might
be CL2-E and CL2-F..
Unless the devices have been previously paired either on this or another host, the devices will
show up as SMPL (simplex). Paired devices will show up as PVOL (primary volume) or SVOL
(secondary volume).
XP arrays (XP 10000/XP 12000 and beyond) and P9000 arrays support external attached
storage devices to be configured as either PVOL or SVOL or both of a Continuous Access
pair. From a Continuous Access perspective, there is no difference between a pair created
from internal devices and a pair created using external devices.
See the HP Storage P9000 or XP documentation for information about the configuration
requirements of external storage devices attached to P9000 or XP arrays and supported
external storage devices.
9. Determine the devices used by the application package. Define a device group that contains
all of these devices. It is recommended that you use a name that is easily associated with the
package. For Example, a device group name of “db-payroll” is easily associated with the
database for the payroll application. A device group name of “group1” is more difficult to
relate to an application.
Edit the Raid Manager configuration file (horcm0.conf) to include the devices and device
group used by the application package. Only one device group might be specified for all of
the devices that belong to a single application package. These devices are specified in the
field HORCM_DEV or HORCM_LDEV.
Setting up the replication 21