//FREE\\ FreeBSD Mastery: ZFS (IT Mastery Book 7) Ebook Rar
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How to Master ZFS on FreeBSD with this Ebook
ZFS is a powerful and flexible file system that revolutionized data storage. It offers features such as snapshots, replication, compression, encryption, deduplication, and more. But how do you use ZFS effectively on FreeBSD, the operating system that pioneered ZFS development?
That's where FreeBSD Mastery: ZFS (IT Mastery Book 7) comes in. This ebook by Michael W. Lucas and Allan Jude is a comprehensive guide to ZFS on FreeBSD. It covers everything from the basics of ZFS installation and configuration to advanced topics such as tuning, troubleshooting, and recovery.
Whether you are a beginner or an expert, this ebook will help you master ZFS on FreeBSD and take advantage of its full potential. You will learn how to:
Understand how your hardware affects ZFS performance
Create and manage pools and datasets
Use ZFS features such as snapshots, clones, bookmarks, and send/receive
Secure your data with encryption and access control lists
Optimize ZFS for different workloads and scenarios
Monitor and maintain your ZFS system
Recover from disasters and prevent data loss
FreeBSD Mastery: ZFS (IT Mastery Book 7) is available in Kindle and paperback formats. You can download it as a rar file from the link below. Don't miss this opportunity to master ZFS on FreeBSD with this ebook!
Download FreeBSD Mastery: ZFS (IT Mastery Book 7) Ebook Rar
ZFS also has a copy-on-write feature that ensures data integrity and consistency. Whenever ZFS writes new data, it never overwrites the existing data. Instead, it writes the new data to a different location and updates the pointers. This way, if a power failure or a system crash occurs during a write operation, the old data is still intact and can be recovered.
Another benefit of ZFS is its snapshot and replication capabilities. ZFS can create near-instant and lightweight snapshots of the file system state at any point in time. These snapshots can be used to restore files or directories that were accidentally deleted or modified, or to clone entire file systems for testing or backup purposes. ZFS can also send and receive snapshots over the network, allowing for efficient and secure data replication and migration.
ZFS also supports RAID-Z, a variation of RAID that eliminates the write hole problem and provides better space efficiency and fault tolerance. RAID-Z can tolerate the failure of one or more disks in a pool, depending on the level of redundancy chosen. RAID-Z also distributes data and parity blocks across all disks in a pool, avoiding the performance bottleneck of a dedicated parity disk.
ZFS also offers native encryption, which allows you to protect your data from unauthorized access. ZFS encryption operates on a per-dataset basis, meaning you can encrypt different datasets with different keys and policies. ZFS encryption supports AES-128, AES-192, and AES-256 algorithms in both CCM and GCM modes. You can specify the encryption key as a passphrase or a raw key file, and you can store the key source in a prompt, a file, or a hardware device.
ZFS encryption is transparent to applications and users, and it does not interfere with other ZFS features such as compression, deduplication, snapshots, and replication. ZFS encryption also provides an additional layer of security for ZFS send and receive operations, as the data is encrypted before being sent over the network and decrypted after being received. This way, you can ensure that only authorized recipients can access your data.
ZFS encryption can only be enabled at the time of dataset creation, and it cannot be changed later. However, you can change the key source and the key location of an existing encrypted dataset. You can also rekey an encrypted dataset with a new key without affecting the data. ZFS encryption requires you to load the key before mounting the dataset, and you can unload the key after unmounting it to prevent unauthorized access. a474f39169