Proper partition alignment in OpenZFS is crucial to prevent performance degradation caused by misalignment between logical and physical sectors.
About:
Michael W Lucas is the author of the website mwl.io. He is known for his technical books on various topics including system administration, networking, and security. Lucas has a unique approach to problem-solving and shares his experiences and knowledge through his writing and speaking engagements.
Website:
Incoming Links:
Outgoing Links:
Subscribe to RSS:
6.3112: A Special Uberblock
2026-02-26 • file system zfs data quality uberblock
ZFS ensures data integrity using a system of uberblocks that manage filesystem roots and enable reliable recovery from failures.
An auction for a unique sysadmin prototype is being held to raise funds for charity, offering bidders exclusive access and bragging rights.
The author critiques the value of literary awards, prioritizing practical needs over recognition, while humorously challenging readers to nominate his latest novel.
The author shares insights on health, book publishing challenges, and the importance of community safety at conferences while discussing ongoing and future writing projects.
The post discusses the author's experience with OpenZFS Mastery, specifically focusing on the use of OpenZFS 2.3 on FreeBSD 14 for virtualization testing. It highlights the compatibility issues between OpenZFS versions 2.2 and 2.3...
January brought hardware challenges, shipping delays, and humorous reflections on the struggles of maintaining a small business and improving a test environment.
ZFS has impressive storage limits, but sysadmins may face challenges in future filesystem migrations as technology advances beyond current capabilities.
The post discusses the advancements in OpenZFS, highlighting its integration of traditional filesystems and volume management. It explains how ZFS operates with three layers: datasets, storage pools, and virtual devices, and empha...
The post discusses the importance of proper physical and logical labeling of drives in large storage arrays, particularly when using OpenZFS. It emphasizes the need for maintaining a spreadsheet that tracks each drive's physical l...
In 2025, the author analyzes their diverse income sources from writing, highlighting the importance of direct sales and the challenges posed by the current economic environment.
The new edition of 'Networking for System Administrators' is now available, but it is not listed on Amazon's Kindle store due to unfavorable pricing policies. The author explains the financial implications of selling on Amazon ver...
The author announces the opening of sponsorships for the book 'OpenZFS Mastery,' co-authored with Allan Jude. Sponsors will receive various benefits, including their names in the ebook and print versions, free copies of the comple...
Consistent labeling and numbering of storage arrays is crucial for effective management and troubleshooting in data centers.
OpenZFS Mastery explores ZFS's adaptability to various storage devices and the performance implications of each type.
The author critiques the complexity of using serial numbers for disk labels in educational ZFS materials, advocating for clearer, more absorbable examples.
Tilted Windmill Press books are not available in Apple's EU bookstore due to compliance issues with the Digital Services Act, which the author finds burdensome for minimal income.
The post announces the exclusive availability of the book 'Beastly Virtues' by Michael Warren Lucas, which is part of a 14-book Storybundle. The book features unique tales of bravery involving various creatures, emphasizing that c...
The author satirically questions why people seek life advice from a sysadmin instead of traditional sources, highlighting the absurdity of the choice.
The author shares insights on the challenges of fulfilling a Kickstarter campaign and the need for better documentation and support systems for independent authors.
The author announces the shipment of the 'Networking for System Administrators, 2nd ed' book and provides details about its availability, including shipping information for backers and retail release dates. The author encourages p...
The author reflects on their recent experiences at EuroBSDCon in Croatia, discussing the challenges of travel, the Kickstarter for their book 'Networking for System Administrators', and the balance between providing value to backe...
4.1N4SA2e Fulfillment Status
2025-10-30 • publishing update book retail kickstarter n4sa2e
The production process for the N4SA2e book is on track, with print books finalized and expected to ship in about 10 days. The author will prepare shipping labels for backers once the books arrive. Drop shipments for Kickstarter ba...
Two Christmas stories from the Twisted Presents collection explore themes of resilience and moral dilemmas through a master criminal and a struggling student.