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Failed Virtual Disk Copy; Preferred Raid Controller Module Ownership; Failed Raid Controller Module - Dell PowerVault MD3200i Owner's Manual

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Failed Virtual Disk Copy

A virtual disk copy can fail due to these conditions:
A read error from the source virtual disk
A write error to the target virtual disk
A failure in the storage array that affects the source virtual disk or the
target virtual disk.
When the virtual disk copy fails, a critical event is logged in the Event Log,
and a Needs Attention icon appears in the Array Management Window.
While a virtual disk copy has this status, the host has read-only access to the
source virtual disk. Read requests from and write requests to the target virtual
disk do not take place until the failure is corrected by using the Recovery
Guru.

Preferred RAID Controller Module Ownership

During a virtual disk copy, the same RAID controller module must own both
the source virtual disk and the target virtual disk. If both virtual disks do not
have the same preferred RAID controller module when the virtual disk copy
starts, the ownership of the target virtual disk is automatically transferred to
the preferred RAID controller module of the source virtual disk. When the
virtual disk copy is completed or is stopped, ownership of the target virtual
disk is restored to its preferred RAID controller module. If ownership of the
source virtual disk is changed during the virtual disk copy, ownership of the
target virtual disk is also changed.

Failed RAID Controller Module

You must manually change RAID controller module ownership to the
alternate RAID controller module to allow the virtual disk copy to complete
under all of these conditions:
A virtual disk copy has a status of In Progress
The preferred RAID controller module of the source virtual disk fails
The ownership transfer does not occur automatically in the failover
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Configuration: Premium Feature—Virtual Disk Copy

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