ZFS snapshots are created very quickly, since all the data composing the snapshot is already stored. Snapshots and clones : An advantage of copy-on-write is that, when ZFS writes new data, the blocks containing the old data can be retained, allowing a snapshot version of the file system to be maintained. This makes to improve the iops performance. It should make to improve the IO performanceĬache management : ZFS uses different layers of disk cache to speed up read and write operations.For write caching, ZFS employs the ZFS Intent Log (ZIL), We can add a ssd as ZIL for writing the cache for the Zpool that we are configuring like cachecade servers(hardware raid). It is a block level compression type not file level.Multiple types of compression are supported, such as: lzjb, gzip, zle,lz4.
This means that every file you store in your pool can be compressed. Massive Scalability : Up to 256 zebibytesĬompression : Compression is transparent with ZFS if you enable it. When editing a file, original disk blocks are not altered. Freenas Features Storage Made SimpleĪ key feature of Freenas is ZFS(Zettabyte File System).ZFS is an open source combined file system and logical volume manager originally created by sun microsystems, now Oracle Corporation.The filesystem is having a powerful punch of features ZFS featuresĬopy-on-write : ZFS uses a copy-on-write transactional model. It is designed around the OpenZFS filesystem, which enables many of the advanced features of FreeNAS such as data integrity, early indication of faulty drives, and the ability to boot into a previous working copy of the operating system after a failed upgrade.It is based on the highly secure FreeBSD operating system and follows security best practices in development. The benefit of using a NAS is that all your important files can be stored in a central location, allowing you to access them from multiple devices simultaneously, while also keeping our backupdata and redundancy resources in one place. FreeNAS uses the ZFS file system, which supports high storage capacities and integrates file systems and volume management into a single piece of software.
OPENZFS VS FREENAS SOFTWARE
It is an operating system that can be installed on virtual machines or in physical machines to share data storage via computer network.The FreeNas Project and software were originally founded by Olivier Cochard-Labbe in 2005 on the principle that network storage be made available to the world at no coast. FreeNAS is an open source storage platform based on Freebsd and supports sharing across Windows,Apple and Unix-like systems.
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