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If both nodes use the same external array – HP StorageWorks XP Remote Web Console Software User Manual

Page 125

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Clients cannot access volumes in external array 1, but can access volumes in external array 2.

The local array recognizes that the status of all file systems and volumes in external array 1
are blocked.

Figure 64 Error occurs on the path to the external array used for node 1

1.

Restore (for example, check the cable's connection status or change the switch) the status of
the error path between the local array and external array 1.

2.

Execute the Check Paths & Restore Vol. command using XP External Storage. For instructions,
see

Checking the connection status and resuming external LU operations (Check Paths &

Restore Vol.)

.

3.

Perform a forced stop operation using NAS Blade Manager for resource group 1, which
displays the status as an srmd executable error.

4.

Stop node 1 using NAS Blade Manager.

5.

Restart NAS OS 1 (NAS channel adapter's OS) using XP LUN Configuration and Security
Manager Software or NAS Blade Manager.

6.

Start node 1 using NAS Blade Manager.

7.

To release the blocked status of node 2's file system, perform the following operations:
a.

Change resource group 2's execution node to node 1 using NAS Blade Manager
(failover).

b.

Restart NAS OS 2 (NAS channel adapter's) using XP LUN Configuration and Security
Manager Software or NAS Blade Manager.

c.

Change resource group 2's execution node to node 2 (failback).

8.

Start resource group 1 on node 1 using NAS Blade Manager.

If both nodes use the same external array

In the configuration in

Figure 65 (page 126)

, all of the NAS Blade system's user LUs are volumes

in the external array. Only one external array is connected to the local array. Also, only one path

Recovery procedures for errors in external arrays

125