01.11.2017 15:01, Austin S. Hemmelgarn пишет: ... > The default subvolume is what gets mounted if you don't specify a > subvolume to mount. On a newly created filesystem, it's subvolume ID 5, > which is the top-level of the filesystem itself. Debian does not > specify a subvo9lume in /etc/fstab during the installation, so setting > the default subvolume will control what gets mounted. If you were to > add a 'subvolume=' or 'subvolid=' mount option to /etc/fstab for that > filesystem, that would override the default subvolume. > > The reason I say to set the default subvolume instead of editing > /etc/fstab is a pretty simple one though. If you edit /etc/fstab and > don't set the default subvolume, you will need to mess around with the > bootloader configuration (and possibly rebuild the initramfs) to make > the system bootable again, whereas by setting the default subvolume, the > system will just boot as-is without needing any other configuration > changes.
That breaks as soon as you have nested subvolumes that are not explicitly mounted because they are lost in new snapshot. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
