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Maintaining Storage Arrays
(StorEdge A3500 Only) On both nodes, to prevent LUNs from automatic assignment to the
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controller that is being brought online, set the System_LunReDistribution parameter in the
/etc/raid/rmparams file to false.
Caution –
file to false so that no LUNs are assigned to the controller being brought online. After you
verify in
between both controllers.
For the procedure about how to modify the rmparams file, see the Sun StorEdge RAID Manager
Installation and Support Guide.
Restart the RAID Manager daemon.
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# /etc/init.d/amdemon stop
# /etc/init.d/amdemon start
If your controller module is offline, but does not have a failed controller, proceed to
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If you have a failed controller, replace the failed controller with a new controller. Do not bring the
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controller online.
For the procedure about how to replace controllers, see the Sun StorEdge A3500/A3500FC
Controller Module Guide and the Sun StorEdge RAID Manager Installation and Support Guide
for additional considerations.
On one node, use the RAID Manager GUI's Recovery application to restore the controller online.
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Note –
online. Do not use the Redundant Disk Array Controller Utility (rdacutil) because this utility
ignores the value of the System_LunReDistribution parameter in the /etc/raid/rmparams
file.
For information about the Recovery application, see the Sun StorEdge RAID Manager User's
Guide. If you have problems with bringing the controller online, see the Sun StorEdge RAID
Manager Installation and Support Guide.
On one node that is connected to the storage array or storage system, verify that the controller
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has the correct SCSI reservation state.
Use the following command on LUN 0 of the controller you want to bring online.
In the following command, devicename is the full UNIX path name of the device, for example
/dev/dsk/c1tXdY
# cldevice repair devicename
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Oracle Solaris Cluster 3.3 With StorEdge A1000 Array, Netra st A1000 Array, or StorEdge A3500 System Manual
• May 2011, Revision A
You must set the System_LunReDistribution parameter in the /etc/raid/rmparams
Step 8
that the controller has the correct SCSI reservation state, you can balance LUNs
You must use the RAID Manager GUI's Recovery application to bring the controller
Step
7.
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