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Diffstat (limited to 'debian/90overlay-root/README')
| -rw-r--r-- | debian/90overlay-root/README | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/debian/90overlay-root/README b/debian/90overlay-root/README new file mode 100644 index 0000000..aa14275 --- /dev/null +++ b/debian/90overlay-root/README @@ -0,0 +1,14 @@ +dracut rootfs overlayfs module + +Make any rootfs ro, but writable via overlayfs. +This is convenient, if for example using an ro-nfs-mount. + +Add the parameter "rootovl" to the kernel, to activate this feature + +This happens pre-pivot. Therefore the final root file system is already +mounted. It will be set ro, and turned into an overlayfs mount with an +underlying tmpfs. + +The original root and the tmpfs will be mounted at /live/image and +/live/cow in the final rootfs. + |