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Proxmox Backup Server (short Proxmox BS) is an open-source backup software project supporting virtual machines, containers, and physical hosts. [3] The Bare-metal server is based on the Debian Linux distribution, with some extended features, such as out-of-the-box ZFS support and Linux kernel 5.4 LTS. [ 4 ]
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.
The Mozilla Archive Format add-on is no longer maintained since September 5, 2018. [2] Read Later Fast: Google Chrome extension: Stylesheets are saved incompletely or not at all: No: N/A: No: Proprietary; restricted to Google Chrome profile location: No: PageArchiver: Google Chrome extension: Video and audio files (via Flash or HTML5) are not ...
ZFS+ is a combined file system and logical volume manager software subsystem initially released under the Common Development and Distribution License (CDDL). It is based on ZFS, originally developed by Sun Microsystems, with proprietary data deduplication features added by GreenBytes and subsequently made proprietary for a storage system product. [1]
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.
[28] [29] If a Proxmox node becomes unavailable or fails, the virtual machines can be automatically moved to another node and restarted. [30] The database and FUSE-based Proxmox Cluster file system (pmxcfs [31]) makes it possible to perform the configuration of each cluster node via the Corosync communication stack with SQLite engine. [13]
File system Hard links Symbolic links Block journaling Metadata-only journaling Case-sensitive Case-preserving File Change Log XIP Resident files (inline data)
zpaq add directory/archive.zpaq directory/source_directory -mX -key password. The options -mX (with X being the compression level from 0 to 5) and -key (which performs AES-256 encryption) can be omitted. The 0 compression level does not compress data, but still carries out data deduplication. The compression levels 4 and 5 can be very time ...