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fsck time/Inode Count(ext3 vs. ext4) With ext4 the e2fsck runtime should come down considerably, as can be seen from the graph. As the userspace companion for the ext2, ext3, and ext4 drivers in the Linux kernel, the e2fsprogs are most commonly used with Linux. However, they have been ported to other systems, such as FreeBSD and Darwin.
ext4 (fourth extended filesystem) is a journaling file system for Linux, developed as the successor to ext3.. ext4 was initially a series of backward-compatible extensions to ext3, many of them originally developed by Cluster File Systems for the Lustre file system between 2003 and 2006, meant to extend storage limits and add other performance improvements. [4]
ext4 F2FS FAT FreeVxFS HFS HFS+ HPFS ISO 9660 JFFS JFFS2 JFS MINIX fs NSS NTFS OCFS QNX4 FS System V FS UDF UFS XFS ZFS ReiserFS Reiser4 Btrfs HAMMER Tux3 exFAT ReFS; DragonFly BSD kernel: No No No No No No No Yes No No No Yes No No No No Yes No No No No No limited write No No No read only Yes No No No No No Yes No No No FreeBSD kernel: No No ...
The table below shows the default file system, but many Linux distributions support some or all of ext2, ext3, ext4, Btrfs, ReiserFS, Reiser4, JFS, XFS, GFS2, OCFS2, and NILFS. It is possible to install Linux onto most of these file systems.
Partclone currently supports the following filesystems: ext2, ext3, ext4, hfs+, reiserfs, reiser4, btrfs, vmfs(v3, v5), xfs, jfs, ufs, ntfs, fat(12/16/32), and exFAT. To run partclone for a particular filesystem, one uses the command 'partclone.<fstype>', in a similar manner to the mkfs command partclone.btrfs
Therefore, Clonezilla uses a smart file system-aware approach. It uses information from the file system to determine which blocks on a drive require copying. This ensures that only the space currently in use on the drive is copied while empty space is ignored. Clonezilla supports Ext2, Ext3, Ext4, ReiserFS, XFS, JFS, Btrfs, NTFS, FAT, exFAT and ...
Some researchers have made a functional and experimental analysis of several distributed file systems including HDFS, Ceph, Gluster, Lustre and old (1.6.x) version of MooseFS, although this document is from 2013 and a lot of information are outdated (e.g. MooseFS had no HA for Metadata Server at that time).
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.