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2.5 Admins
2.5 Admins 230: Pool of Theseus
Jan 16, 2025
Discover the exciting new features in the latest version of ZFS, including RAID Z expansion and DirectIO for improved performance. Dive into data recovery tips after accidentally overwriting an ISO on a USB drive. Learn about the importance of maintaining a ZFS pool's birth date while replacing drives. The discussion also emphasizes the value of multiple backups and strategies for dealing with network abuse, offering a blend of technical insights and entertaining commentary.
28:12
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Quick takeaways
- ZFS 2.3 introduces significant enhancements like RAID Z expansion and fast deduplication, improving storage management and data efficiency.
- Recovering data after accidental overwriting on USB drives depends on the file system used, with tools like Photo Rec aiding recovery efforts.
Deep dives
Tracking Storage Performance with ZFS
Using ZFS to manage and track storage performance can significantly enhance system efficiency. A feature allowing counters per dataset enables administrators to pinpoint which applications or datasets are causing increased I/O load. By monitoring these counters, systems administrators can identify whether a particular virtual machine or dataset is responsible for performance bottlenecks. This granular visibility into storage usage helps in optimizing resource allocation and ensuring smoother operations across various applications.
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