Description: The resilvering of ZFS is the process of reconstructing data on a replacement disk in a ZFS pool. This process is essential for maintaining data integrity and availability in storage systems that utilize the Zettabyte File System (ZFS). When a disk fails and is replaced, resilvering enables ZFS to copy data from the remaining disks in the pool to the new disk, ensuring that redundancy and parity are maintained. During this process, ZFS employs its data verification capabilities to ensure that the information being copied is accurate and not corrupted. Resilvering is executed efficiently, minimizing the impact on system performance, which is crucial in computing environments where downtime must be minimized. Additionally, ZFS allows resilvering to occur in the background, enabling users to continue accessing data while reconstruction takes place. This feature is particularly valuable in critical applications where continuous data availability is essential. In summary, ZFS resilvering is a key process that ensures resilience and data integrity in advanced storage systems.
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