In the context of Dell VPLEX, a rebuild occurring on a volume is a condition that would prevent the expansion of that volume. This is because the system needs to ensure data integrity and consistency during the rebuild process before any changes to the volume size can be made.
Rebuild Process: A rebuild is a process where VPLEX re-synchronizes the data across the storage volumes, typically after a disk replacement or a failure1.
Volume Expansion: Expanding a volume involves increasing its size to accommodate more data. This process requires that the volume is in a stable state without any ongoing rebuild operations1.
Data Integrity: During a rebuild, the system is focused on restoring the correct data across the storage volumes. Attempting to expand a volume during this process could lead to data corruption or loss1.
System Restrictions: VPLEX systems have built-in mechanisms to prevent administrators from performing actions that could jeopardize the system’s stability or data integrity, such as expanding a volume during a rebuild1.
Post-Rebuild Expansion: Once the rebuild process is complete and the volume is fully synchronized, the administrator can then proceed with the volume expansion1.
In summary, a rebuild currently occurring on a volume is a condition that would prevent the expansion of that volume in a Dell VPLEX system. The system must first ensure that the rebuild process is completed successfully before allowing any changes to the volume’s size.
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