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The features of ZFS, which is a combined file system and logical volume manager, include the verification against data corruption modes, continuous integrity checking, and automatic repair. Sun Microsystems designed ZFS from the ground up with a focus on data integrity and to protect the data on disks against issues such as disk firmware bugs ...
ZFS is a 128-bit file system, [44] [16] so it can address 1.84 × 10 19 times more data than 64-bit systems such as Btrfs. The maximum limits of ZFS are designed to be so large that they should never be encountered in practice. For instance, fully populating a single zpool with 2 128 bits of data would require 3×10 24 TB hard disk drives. [45]
The ZFS filesystem was designed to immediately write data to a sector that reports as bad or takes an excessively long time to read (such as non-TLER drives); this will usually force an immediate sector remap on a weak sector in most drives. [citation needed]
As the FSF (Free Software Foundation) claimed that there was a legal incompatibility between the CDDL and the GPL in 2005, Sun's implementation of the ZFS file system couldn't be used as a basis for the development of a module in the Linux kernel, couldn't be merged into the mainline Linux kernel, and Linux distributions generally did not include it as a precompiled kernel module.
Oracle ZFS is Oracle's proprietary implementation of the ZFS file system and logical volume manager for Oracle Solaris. ZFS is a registered trademark belonging to ...
Good for floppies, but fairly useless on hard drives. OS-9 file system; PFS – and PFS2, PFS3, etc. Technically interesting file system available for the Amiga, performs very well under a lot of circumstances. ProDOS – Successor to DOS 3.x, for Apple II computers, including the IIgs; Qnx4fs – File system that is used in QNX version 4 and 6.
Some filesystems, such as Btrfs, [32] and ZFS/OpenZFS (with per-dataset copies=1|2|3 property), [33] support creating multiple copies of the same data on a single drive or disks pool, protecting from individual bad sectors, but not from large numbers of bad sectors or complete drive failure. This allows some of the benefits of RAID on computers ...
Btrfs and ZFS Have RAID like features but with the security of chunk integrity to detect bad blocks, and the added flexibility of adding arbitrary numbers of extra drives. They also have other advantages that are not directly related to data striping ( copy-on-write , etc).