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The on-disk layout of VxFS is versioned and upgradeable while the file system is mounted. This file system has gone through ten versions. Version 2 added support for filesets, dynamic inode allocation and ACLs. Layouts 1-3 stopped being supported in VxFS 4.0. Version 4 added support for storage checkpoints and for Veritas Cluster File System ...
XFS excels in the execution of parallel input/output (I/O) operations due to its design, which is based on allocation groups (a type of subdivision of the physical volumes in which XFS is used- also shortened to AGs). Because of this, XFS enables extreme scalability of I/O threads, file system bandwidth, and size of files and of the file system ...
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 ...
The layout of a disk with the GUID Partition Table. In this example, each logical block is 512 bytes in size and each entry has 128 bytes. The corresponding partition entries are assumed to be located in LBA 2–33. Negative LBA addresses indicate a position from the end of the volume, with −1 being the last addressable block.
Disk Operating System GEC: 1973 Core Operating System CP/M file system: Digital Research (Gary Kildall) 1974 CP/M [1] [2] ODS-1: DEC: 1975 RSX-11: GEC DOS filing system extended GEC: 1977 OS4000: FAT (8-bit) Microsoft (Marc McDonald) for NCR: 1977 Microsoft Standalone Disk BASIC-80 (later Microsoft Standalone Disk BASIC-86) DOS 3.x: Apple: 1978 ...
XFS, a journaling file system. It has a dummy fsck which does nothing [4] and an actual xfs_repair tool to be run when problems are suspected. UFS2 file system in FreeBSD, which can delay the check to background if soft updates are enabled. [5] As a result, it is usually not necessary to wait for fsck to finish before accessing the disk.
Partclone is a partition image tool which attempts to only back up used data blocks. It's written in C and focuses on cloning filesystems, as opposed to cloning disks. The basic features are: clone partition to image file; restore image file to partition; restore image file to raw file as loop device; duplicate partition on the fly
Disk Cloning Software Disk cloning capabilities of various software. Name Operating system User Interface Cloning features Operation model License; Windows Linux MacOS Live OS CLI GUI Sector by sector [a] File based [b] Hot transfer [c] Standalone Client–server; Acronis Cyber Protect Home Office [1] [d] Yes No Yes: Yes (64 MB) No Yes Yes