WebSep 27, 2024 · Use chattr to disable COW on the directory containing the files in question, and then recreate the files since the chattr doesn't apply to existing files. Periodically run … WebFeb 23, 2024 · Btrfs is a copy-on-write (CoW) filesystem for Linux aimed at implementing advanced features while focusing on fault tolerance, self-healing properties, and easy administration. Jointly developed at Oracle, Red Hat, Fujitsu, Intel, SUSE, STRATO, and many others, btrfs is licensed under the GPL and open for contribution from anyone. …
taking snapshots of a BTRFS volume mounted with nodatacow?
WebYes, there are several ways how to do that. Disable it by mounting with nodatacow. This implies nodatasum as well. COW may still happen if a snapshot is taken. filesystems btrfs snapshot Share Improve this question Follow asked May 26, 2016 at 20:02 MountainX 16.7k 56 154 254 Add a comment 1 Answer Sorted by: 19 WebFeb 2, 2016 · set up the file server on the kvm host server keep the critical data secure on the file server (which is already using btrfs) and share it with the VMs via NFS disable COW for the VM disk image folder create kvm snapshots of the VMs and backup its configuration files to the NFS shares Share Improve this answer Follow edited Apr 13, … tn bone and joint jackson tn
BTRFS: Solving issues with copy-on-write FYHTECH
WebNov 20, 2024 · I've recently found that it is possible to have snapshots when mounting a BTRFS subvolume with the nodatacow mount options [ 1] [ 2], which disables COW. I also know that, for technical reasons, this option must be provided system-wide [ 3]. WebOct 1, 2024 · btrfs property provides an unified and user-friendly method to tune different btrfs properties instead of using the traditional method like chattr (1) or lsattr (1) However, I need an example that will replicate this command: chattr +C /path/to/my/subvolume/.cache where .cache is a BTRFS subvolme. btrfs copy-on-write Share Improve this question WebApr 5, 2016 · It is possible to disable copy-on-write using the mount-option “nodatacow”. This option has no effect on existing files and copy-on-write will only be disabled for new … tn book fair