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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.
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 latter is available as free software under the terms of the GNU General Public License (GPL). HP-UX has another, different filesystem named JFS that is actually an OEM version of Veritas Software's VxFS. In the AIX operating system, two generations of JFS exist, which are called JFS (JFS1) and JFS2 respectively. [1]
A free to use file system with optional professional support, designed for easy usage and high performance, used on some of the fastest computer clusters in the world. BeeGFS allows replication of storage volumes with automatic failover and self-healing. CephFS: Inktank Storage, a company acquired by Red Hat: GNU LGPL
Some UFS implementations avoid journaling and instead implement soft updates: they order their writes in such a way that the on-disk file system is never inconsistent, or that the only inconsistency that can be created in the event of a crash is a storage leak. To recover from these leaks, the free space map is reconciled against a full walk of ...
Before the UFS 3.1 standard, the SLC cache feature is optional on UFS device, which is a de facto feature on personal SSDs. In 2022 Samsung announced version 4.0 doubling from 11.6 Gbit/s to 23.2 Gbit/s with the use of MIPI M-PHY v5.0 and UniPro v2.0. UFS 4.0 introduces File Based Optimization. [18]
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 ...
LSAPI (Software Licensing API) MAPI (Mail Application Programming Interface) ODBC [4] (Open Database Connectivity) OLE for Process Control; SAPI (Speech Application Programming Interface) TAPI (Telephony Application Programming Interface) Windows SNA (IBM SNA Networks) WOSA/XFS (WOSA for Financial Services) WOSA/XRT (WOSA for Real-time Market Data)