OS: Tumbleweed with 4.5.4-1-default
snapper list reports the following snapshot images:
bonk:/tmp # snapper list
Type | # | Pre # | Date | User | Cleanup |
Description | Userdata
-------+-----+-------+---------------------------------+------+---------+-----------------------+--------------
single | 0 | | | root | |
current |
single | 1 | | Tue 01 Mar 2016 01:15:31 PM EST | root | number | first
root filesystem |
single | 2 | | Tue 01 Mar 2016 01:21:40 PM EST | root | number | after
installation | important=yes
pre | 465 | | Wed 18 May 2016 10:49:18 AM EDT | root | number |
zypp(zypper) | important=no
post | 466 | 465 | Wed 18 May 2016 10:50:45 AM EDT | root | number |
| important=no
pre | 467 | | Wed 18 May 2016 11:00:09 AM EDT | root | number |
zypp(zypper) | important=no
post | 468 | 467 | Wed 18 May 2016 11:00:34 AM EDT | root | number |
| important=no
pre | 469 | | Wed 18 May 2016 11:01:29 AM EDT | root | number |
zypp(zypper) | important=no
post | 470 | 469 | Wed 18 May 2016 11:01:52 AM EDT | root | number |
| important=no
single | 472 | | Thu 19 May 2016 11:08:35 AM EDT | root | number | test
| important=no
single | 474 | | Thu 19 May 2016 11:47:38 AM EDT | root | |
|
single | 475 | | Thu 19 May 2016 11:47:39 AM EDT | root | |
|
pre | 476 | | Thu 19 May 2016 01:58:42 PM EDT | root | number | yast
sw_single |
pre | 477 | | Thu 19 May 2016 01:59:47 PM EDT | root | number |
zypp(y2base) | important=no
post | 478 | 477 | Thu 19 May 2016 01:59:57 PM EDT | root | number |
| important=no
post | 479 | 476 | Thu 19 May 2016 02:00:14 PM EDT | root | number |
|
pre | 480 | | Thu 19 May 2016 02:45:21 PM EDT | root | number | yast
fonts |
post | 481 | 480 | Thu 19 May 2016 02:45:51 PM EDT | root | number |
|
pre | 482 | | Fri 20 May 2016 09:19:25 AM EDT | root | number | yast
fonts |
post | 483 | 482 | Fri 20 May 2016 09:22:13 AM EDT | root | number |
|
pre | 484 | | Fri 20 May 2016 01:53:15 PM EDT | root | number | yast
sw_single |
post | 485 | 484 | Fri 20 May 2016 01:53:39 PM EDT | root | number |
|
pre | 486 | | Fri 20 May 2016 01:53:41 PM EDT | root | number | yast
repositories |
post | 487 | 486 | Fri 20 May 2016 01:54:25 PM EDT | root | number |
|
pre | 488 | | Fri 20 May 2016 01:54:55 PM EDT | root | number |
zypp(zypper) | important=yes
post | 489 | 488 | Fri 20 May 2016 02:03:34 PM EDT | root | number |
| important=yes
where snapshot id 489 is the most current snapshot. However,
bonk:/tmp # btrfs sub get-default /
ID 868 gen 145084 top level 257 path .snapshots/475/snapshot
reports snapshot 475 as the current snapshot. Upon inspection of the actual
file content, snapshot 489 is indeed mounted as current. However, since "brtfs
sub-get default" reports the wrong snapshot id, snapshot 475 cannot be deleted
bonk:/.snapshots # snapper delete 475
Deleting snapshot failed.
This is turn causes the snapshot cleanup script to fail, so that snapshots
accumulate unchecked.
The above behavior is triggered by booting from a readonly snapshot and
subsequent rollback.
Reproducible: always
Workaround: Boot to the second last snapshot image (488) and revert to this
version, which will reset the result of btrfs sub get-default / to 488 and
allow you to delete the previous snapshot. Repeat regularly to keep your
snapshots in check.
Cheers
Uli