WebWhen the overlay NFS export feature is enabled, overlay filesystems behavior on offline changes of the underlying lower layer is different than the behavior when NFS export is disabled. On every copy_up, an NFS file handle of the lower inode, along with the UUID of the lower filesystem, are encoded and stored in an extended attribute “trusted.overlay.origin” … WebThis work from Amir adds NFS export capability to overlayfs. NFS exporting an overlay filesystem is a challange because we want to keep track of any copy-up of a file or directory between encoding the file handle and decoding it. This is achieved by indexing copied up objects by lower layer file handle. The index is already used for hard links ...
Exportfs: does not support NFS export - OpenWrt Forum
WebApr 27, 2024 · "exports -ra" returns "exportfs: /mnt/sda1 does not support NFS export", and exports: /mnt does not support NFS export" Any attempt to mount sda1 on a client fails with "Permission Denied" I do not think the issues is a permission issue, but a filesystem issue. I can successfully create a share if the filesystem is tmpfs, but fails for overlayfs. WebJan 30, 2024 · Creating another tmpfs mount point and thus placing 'upper' and 'lower' directories on it will be enough. 3) Ensure that your initrd.img has modules for NFS and Overlayfs. If they do not exist, then add them in /etc/initramfs-tools/modules. 4) Ensure that your initrd.img has the full version of the 'mount' command. in 1929 stalin sought to control the arts by
CONFIG_OVERLAY_FS_NFS_EXPORT: Overlayfs: turn on NFS export …
WebMar 28, 2024 · This way /opt will be a reflection of /mnt/optw contents and permissions. To access the contents of the two directories under /opt, mount with aufs like so: sudo mount -t aufs -o br=/opt/:/mnt/optw/ none /opt/. This way, the two directories are merged and you'll be able to access their contents under /opt/. Notice: WebJan 4, 2024 · NFS export is enabled for overlayfs mount when the opt-in "verify" feature is enabled, because decoding file handles requires the full index that "verify" feature creates. … WebJun 27, 2016 · Ask Question. Asked 6 years, 9 months ago. Modified 6 years, 9 months ago. Viewed 671 times. 3. Does overlayfs support having upper layer as nfs mount point? I am … in 1932 the farmers holiday association