February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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While we use the xfs_db command to obtain file fragmentation information, it can actually do much more. XFS maintains a small internal database that xfs_db can view or manipulate. Unfortunately, modifying XFS metadata can render the filesystem corrupt or otherwise unusable. We highly recommend never using xfs_db for anything but checking fragmentation statuses or obtaining other forensic information.
Only experts should ever use xfs_db command parameters other than frag.
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