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The NFSv4.1 pNFS server is a set of server resources or components; these are assumed to be controlled by the meta-data server. The pNFS client still accesses one meta-data server for traversal or interaction with the namespace; when the client moves data to and from the server it may directly interact with the set of data servers belonging to ...
Comparison [ edit ] 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Gluster, Lustre and old (1.6.x) version of MooseFS, although this document is from 2013 and a lot of information are outdated (e.g. MooseFS had no HA for Metadata Server at that time).
Enhanced native NFSv4 ACLs (FreeBSD) [96] Enhanced AES-GCM performance for encrypted pools [96] Redacted send/receive [96] Log spacemap and other metaslab management enhancements - a project to re-implement ZFS' management of free space and "metaslabs" for much greater efficiency [96] Fast clone deletion [96] Zstd data compression as a new ...
While WebNFS itself did not gain much traction, several important WebNFS features later became part of NFSv4, including use of port 2049, and the concept of a fixed "root filehandle" (which evolved from WebNFS public filehandles and allows exported filesystems to be accessed without needing the MOUNT protocol to learn their individual root handles first); both together allow NFSv4 to function ...
2024 RTOS Performance Report (FreeRTOS / ThreadX / PX5 / Zephyr) - Beningo Embedded Group 2013 RTOS Comparison (Nucleus / ThreadX / ucOS / Unison) - Embedded Magazine v
There are three basic A-QoS policies: Extreme, Performance and Value. Each A-QoS policy has a predefined fixed ratio IO per TB for Peak performance and Expected performance (or Absolute minimum QoS). Absolute minimum QoS is used instead of Expected performance (QoS min) only when volume size and ratio IO per TB is too small for example 10 GB.
ZFS (previously Zettabyte File System) is a file system with volume management capabilities. It began as part of the Sun Microsystems Solaris operating system in 2001. Large parts of Solaris, including ZFS, were published under an open source license as OpenSolaris for around 5 years from 2005 before being placed under a closed source license when Oracle Corporation acquired Sun in 2009–2010.
FluidFS is the result of Dell's acquisition of intellectual property from Exanet, a firm whose assets included a hardware-independent, scalable NAS storage product.. Previously known as the Dell Scalable File System (DSFS), Dell changed the name to FluidFS after its acquisition of Compellent Technologies, which successfully used the Fluid Data tag-line as a startup com