From: "Niccolò Belli" <darkbasic@linuxsystems.it>
To: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: How to rollback a snapshot of a subvolume with nested subvolumes?
Date: Fri, 06 May 2016 13:48:31 +0200 [thread overview]
Message-ID: <3812e008-1c89-4e02-8389-17ca2a8cfd9d@linuxsystems.it> (raw)
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
next reply other threads:[~2016-05-06 11:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-06 11:48 Niccolò Belli [this message]
2016-05-06 12:36 ` How to rollback a snapshot of a subvolume with nested subvolumes? Austin S. Hemmelgarn
2016-05-07 9:51 ` Niccolò Belli
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3812e008-1c89-4e02-8389-17ca2a8cfd9d@linuxsystems.it \
--to=darkbasic@linuxsystems.it \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).