The following are my subvolumes:
$ sudo btrfs subvol list /
[sudo] password di niko:
ID 257 gen 1040 top level 5 path @
ID 258 gen 1040 top level 5 path @home
ID 270 gen 889 top level 257 path var/cache/pacman/pkg
ID 271 gen 15 top level 257 path var/abs
ID 272 gen 972 top level 257 path var/tmp
ID 273 gen 37 top level 257 path tmp
ID 274 gen 20 top level 257 path srv
ID 276 gen 25 top level 258 path @home/niko/.cache/pacaur
ID 280 gen 993 top level 257 path .snapshots
ID 281 gen 993 top level 258 path @home/.snapshots
ID 282 gen 169 top level 280 path .snapshots/1/snapshot
ID 283 gen 171 top level 280 path .snapshots/2/snapshot
ID 284 gen 173 top level 280 path .snapshots/3/snapshot
ID 285 gen 124 top level 281 path @home/.snapshots/1/snapshot
ID 286 gen 175 top level 280 path .snapshots/4/snapshot
ID 288 gen 177 top level 280 path .snapshots/5/snapshot
ID 290 gen 237 top level 280 path .snapshots/6/snapshot
ID 291 gen 238 top level 281 path @home/.snapshots/2/snapshot
ID 292 gen 308 top level 280 path .snapshots/7/snapshot
ID 293 gen 309 top level 281 path @home/.snapshots/3/snapshot
ID 294 gen 376 top level 280 path .snapshots/8/snapshot
ID 295 gen 377 top level 281 path @home/.snapshots/4/snapshot
ID 296 gen 442 top level 280 path .snapshots/9/snapshot
ID 297 gen 443 top level 281 path @home/.snapshots/5/snapshot
ID 298 gen 511 top level 280 path .snapshots/10/snapshot
ID 299 gen 512 top level 281 path @home/.snapshots/6/snapshot
ID 300 gen 578 top level 280 path .snapshots/11/snapshot
ID 301 gen 579 top level 281 path @home/.snapshots/7/snapshot
ID 302 gen 648 top level 280 path .snapshots/12/snapshot
ID 303 gen 649 top level 281 path @home/.snapshots/8/snapshot
ID 304 gen 716 top level 280 path .snapshots/13/snapshot
ID 305 gen 717 top level 281 path @home/.snapshots/9/snapshot
ID 306 gen 967 top level 280 path .snapshots/14/snapshot
ID 307 gen 789 top level 281 path @home/.snapshots/10/snapshot
ID 309 gen 834 top level 280 path .snapshots/15/snapshot
ID 310 gen 874 top level 280 path .snapshots/16/snapshot
ID 311 gen 875 top level 281 path @home/.snapshots/11/snapshot
ID 312 gen 887 top level 280 path .snapshots/17/snapshot
ID 313 gen 888 top level 280 path .snapshots/18/snapshot
ID 314 gen 904 top level 280 path .snapshots/19/snapshot
ID 316 gen 938 top level 280 path .snapshots/20/snapshot
ID 317 gen 939 top level 281 path @home/.snapshots/12/snapshot
ID 318 gen 991 top level 280 path .snapshots/21/snapshot
ID 319 gen 992 top level 281 path @home/.snapshots/13/snapshot
I would like to rollback to .snapshots/14/snapshot, restoring my @
subvolume to such a previous state.
So I booted into a livecd, mounted my disk into /mnt and typed:
btrfs subvol snapshot /mnt/@/.snapshots/14/snapshot /mnt/@
Unfortunately it simply creates a new /mnt/@/snapshot subvolume instead of
replacing @.
If @ didn't have any nested subvolume I would simply delete it and run the
previous command again, but
1) I dont't want to lose the @ nested subvolumes like var/cache/pacman/pkg
2) btrfs subvolume delete /mnt/@ doesn't want to delete it (cannot delete
directory not empty), probably because of the nested subvolumes
So, how am I supposed to rollback to a previous snapshot?
Thanks,
Niccolò
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