Filesystem Journaling: How Write-Ahead Logging Prevents Data Loss
Learn how filesystem journaling prevents data loss during crashes. Explore write-ahead logging and recovery in ext4 and XFS.
5 min readConcept
Explore machine learning concepts related to data-integrity. Clear explanations and practical insights.
Learn how filesystem journaling prevents data loss during crashes. Explore write-ahead logging and recovery in ext4 and XFS.
Understand Copy-on-Write (CoW) in Btrfs and ZFS. Learn how CoW enables instant snapshots, atomic writes, and data integrity.
Understand how modern filesystems use checksums to detect silent data corruption that traditional filesystems miss entirely.