HP StorageWorks XP Remote Web Console Software User Manual
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is set between the local array and external array. In this case, if an error occurs in the only set
path, none of the volumes in the external array can be used.
NOTE:
In the configuration in
, HP recommends setting alternate paths to
prevent the NAS Blade system from being blocked because of the path failure. For more information,
see
The situation in
is as follows:
•
None of the user LUs can be used from node 1 or node 2.
•
Clients cannot access volumes.
•
The local array recognizes that the status of all file systems and volumes are blocked.
Figure 65 If both nodes use the same external array
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 &
.
3.
Perform the forced stop operations using NAS Blade Manager for resource group 1 and
resource group 2.
4.
Stop the cluster using NAS Blade Manager.
5.
Restart NAS OS 1 and NAS OS 2 (NAS channel adapter's OS) using XP LUN Configuration
and Security Manager Software or NAS Blade Manager.
6.
Start the cluster using NAS Blade Manager.
7.
Start resource group 1 and resource group 2 using NAS Blade Manager.
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Troubleshooting NAS Blade systems that include external arrays