Eva storage system, System parameters – HP XP P9500 Storage User Manual

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Table 22 Path status and examples of recovery procedure (SVS200) (continued)

Examples of recovery procedure

Path status

The access attribute of the volume may have been changed by LUN Security XP Extension.
Check the access attribute of the volume. If the volume is protected by the access attribute,
release the protection.

There is a problem with connection to the external storage system. The possible causes are:

Cannot detect port

The Fibre cable is not physically connected in the proper way.

The setting of the topology does not match between the external port and the target port.

If the external storage system is connected through switches, the settings for the switches
may not be appropriate.

Make sure that the Fibre cable is connected properly, and then set the Fibre Channel port
properly using LUN Management.

The LUN security may have been enabled by LUN Management. Check if the LUN security
is enabled or not. If the LUN security is enabled, disable the LUN security.

EVA storage system

The EVA storage systems of thefirmware version 4.000 or later can be connected. To connect an
EVA storage system, change the firmware version to 4.000 or later.

System parameters

When connecting an EVA storage system as an external storage system, set the system parameters
of the EVA storage system according to the following table. For the system parameters that are not
in the following table, see the manuals of the EVA storage system and set the parameters
appropriately for the connecting configuration.

Table 23 System parameters for connecting an EVA storage system

Parameter setting

Parameter

Windows

Host OS

Add a Host

Identifying logical volumes (using Characteristic2)

When the connected external storage system is an EVA storage system, LUNs appear as
Characteristic1 in the External Storage windows.
If you search for the logical volumes specifying the WWN indicating the EVA Port A in a
configuration as illustrated in the following figure, the logical volumes named LUN 1 and LUN 2
are found for each of HostGroup-1 and HostGroup-2. In this case, two different logical volumes
that have the same name such as LUN 1 and LUN 2 are found as the logical volumes that can be
connected from EVA Port A, but you cannot tell which LUN 1 and LUN 2 belong to HostGroup-1
or HostGroup-2 only by Characteristic1.
In the configuration example shown below, you can identify the logical volumes referring to
Characteristic2 in the External Storage windows. The first 32 characters of Characteristic2 indicate
the World Wide LUN Name that can be found on the EVA storage system side. You can identify
the logical volume of the EVA storage system by this World Wide LUN Name.

EVA storage system

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