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The XFS guaranteed-rate I/O system provides an API that allows applications to reserve bandwidth to the filesystem. XFS dynamically calculates the performance available from the underlying storage devices, and will reserve bandwidth sufficient to meet the requested performance for a specified time. This is a feature unique to the XFS file system.
The need and specification of a kernel mode Linux union mount filesystem was identified in late 2009. [1] The initial RFC patchset of OverlayFS was submitted by Miklos Szeredi in 2010. [2] By 2011, OpenWrt had already adopted it for their use. [3] It was merged into the Linux kernel mainline in 2014, in kernel version 3.18.
XFS – Used on SGI IRIX and Linux systems; zFS – z/OS File System; not to be confused with other file systems named zFS or ZFS. zFS - an IBM research project to develop a distributed, decentralized file system; not to be confused with other file systems named zFS or ZFS.
File system Stores file owner POSIX file permissions Creation timestamps Last access/ read timestamps Last metadata change timestamps Last archive timestamps Access control lists
XFS [6] 2014: CentOS 7: XFS: 2015: Windows 10: NTFS 3.1 2015 Fedora 22: ... List of file systems; Comparison of file systems; List of partition IDs (MBR) Master Boot ...
The XFS-style quota interface has been available in GFS2 since kernel 2.6.33; Caching ACLs have been available in GFS2 since 2.6.33; GFS2 supports the generation of "discard" requests for thin provisioning/SCSI TRIM requests; GFS2 supports I/O barriers (on by default, assuming underlying device supports it. Configurable from kernel 2.6.33 and up)
chattr is the command in Linux that allows a user to set certain attributes of a file. lsattr is the command that displays the attributes of a file.. Most BSD-like systems, including macOS, have always had an analogous chflags command to set the attributes, but no command specifically meant to display them; specific options to the ls command are used instead.
File utilities create, list, copy, move and delete files, and alter metadata. They may be able to truncate data, truncate or extend space allocation, append to, move, and modify files in-place. Depending on the underlying structure of the file system, they may provide a mechanism to prepend to or truncate from the beginning of a file, insert ...