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Stratis provides ZFS/Btrfs-style features by integrating layers of existing technology: Linux's device mapper subsystem, and the XFS filesystem. The stratisd daemon manages collections of block devices, and provides a D-Bus API. The stratis-cli DNF package provides a command-line tool stratis, which itself uses the D-Bus API to communicate with ...
This is the foundation for a large set of planned features: snapshots, copy-on-write (COW) data, data deduplication, reflink copies, online data and metadata scrubbing, highly accurate reporting of data loss or bad sectors, and significantly improved reconstruction of damaged or corrupted filesystems. This work required changes to XFS's on-disk ...
J/XFS is an alternative API to CEN/XFS (which is Windows specific) and also to Xpeak (which is Operating System independent, based on XML messages). J/XFS is written in Java with the objective to provide a platform agnostic client-server architecture for financial applications, especially peripheral devices used in the financial industry such ...
fstab (after file systems table) is a system file commonly found in the directory /etc on Unix and Unix-like computer systems. In Linux, it is part of the util-linux package. The fstab file typically lists all available disk partitions and other types of file systems and data sources that may not necessarily be disk-based, and indicates how they are to be initialized or otherwise integrated ...
In computing, mount is a command in various operating systems. Before a user can access a file on a Unix-like machine, the file system on the device [1] which contains the file needs to be mounted with the mount command. Frequently mount is used for SD card, USB storage, DVD and other removable storage devices. The command is also available in ...
Online defragmentation and an autodefrag mount option [27] Online volume growth and shrinking; Online block device addition and removal; Online balancing (movement of objects between block devices to balance load) Offline filesystem check [40] Online data scrubbing for finding errors and automatically fixing them for files with redundant copies
A file system with a logical journal still recovers quickly after a crash, but may allow unjournaled file data and journaled metadata to fall out of sync with each other, causing data corruption. For example, appending to a file may involve three separate writes to: The file's inode, to note in the file's metadata that its size has increased.
Early Unix filesystems were referred to simply as FS.FS only included the boot block, superblock, a clump of inodes, and the data blocks.This worked well for the small disks early Unixes were designed for, but as technology advanced and disks grew larger, moving the head back and forth between the clump of inodes and the data blocks they referred to caused thrashing.