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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.
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 ...
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)
File system Stores file owner POSIX file permissions Creation timestamps Last access/ read timestamps Last metadata change timestamps Last archive timestamps Access control lists
A mount point is a location in the partition used as a root filesystem. Many different types of storage exist, including magnetic, magneto-optical, optical, and semiconductor (solid-state) drives. Many different types of storage exist, including magnetic, magneto-optical, optical, and semiconductor (solid-state) drives.
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.
The difference between a distributed file system and a distributed data store is that a distributed file system allows files to be accessed using the same interfaces and semantics as local files – for example, mounting/unmounting, listing directories, read/write at byte boundaries, system's native permission model. Distributed data stores, by ...
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.