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#1 2015-02-09 03:00:57

seal20
Member
Registered: 2010-02-13
Posts: 36

snapper failed to create snapshots during config creation

Hi everyone,

I have a btrfs partitions with different subvolumes. I used to take snapshots of the different subvolumes using snapper but then I borked my system (5 years old) and decided it was time to reinstall. However I forgot to save my snapper config, I though it will not be a problem and that I can re-create them. But now when I try to create a config it failed with the error : "Creating config failed (creating btrfs snapshot failed).".
I suspect it is because I have already a .snapshot directory with many snapshot in it. I wish snapper will find them and continue using them but i would be ok to delete all them and restart.

My questions:

1) How can I create a new config? Would that be ok to just create the file in /etc/snapper? Will cron pick them up?

2) If I need to delete the existing snapshots? How can I do I tried to btrfs subvolumes delete but it doesn't work and I don't feel to delete all snapshots one by one.

The different ouputs that I tried:

Fist my config:

1 sylvain@sylvain-pc ~/Research % sudo btrfs subvolume list .                                                   :(
ID 257 gen 75240 top level 5 path Symposium and Presentations
ID 258 gen 77249 top level 5 path Software
ID 259 gen 78580 top level 5 path Classes
ID 260 gen 75239 top level 5 path Oceano
ID 261 gen 77922 top level 5 path Now working on
ID 353 gen 75244 top level 260 path Oceano/.snapshots
ID 354 gen 75244 top level 257 path Symposium and Presentations/.snapshots
ID 355 gen 78593 top level 259 path Classes/.snapshots
ID 357 gen 40618 top level 353 path Oceano/.snapshots/1/snapshot
ID 358 gen 40603 top level 354 path Symposium and Presentations/.snapshots/1/snapshot
ID 359 gen 40603 top level 355 path Classes/.snapshots/1/snapshot
ID 374 gen 75244 top level 261 path Now working on/.snapshots
ID 378 gen 40618 top level 374 path Now working on/.snapshots/1/snapshot
ID 1777 gen 40618 top level 353 path Oceano/.snapshots/353/snapshot
ID 1778 gen 40618 top level 354 path Symposium and Presentations/.snapshots/353/snapshot
ID 1779 gen 40603 top level 355 path Classes/.snapshots/353/snapshot
ID 1780 gen 40618 top level 374 path Now working on/.snapshots/349/snapshot
ID 4737 gen 40618 top level 353 path Oceano/.snapshots/1086/snapshot
ID 4738 gen 40618 top level 354 path Symposium and Presentations/.snapshots/1086/snapshot
ID 4739 gen 40618 top level 355 path Classes/.snapshots/1086/snapshot
ID 4740 gen 40618 top level 374 path Now working on/.snapshots/1082/snapshot
ID 5232 gen 40618 top level 354 path Symposium and Presentations/.snapshots/1209/snapshot
ID 6854 gen 50504 top level 353 path Oceano/.snapshots/1579/snapshot
ID 6855 gen 50505 top level 354 path Symposium and Presentations/.snapshots/1580/snapshot
ID 6856 gen 50506 top level 355 path Classes/.snapshots/1578/snapshot
ID 6857 gen 50507 top level 374 path Now working on/.snapshots/1575/snapshot
ID 9082 gen 64684 top level 353 path Oceano/.snapshots/2136/snapshot
ID 9083 gen 64685 top level 354 path Symposium and Presentations/.snapshots/2137/snapshot
ID 9084 gen 64686 top level 355 path Classes/.snapshots/2135/snapshot
ID 9085 gen 64687 top level 374 path Now working on/.snapshots/2132/snapshot
ID 9786 gen 70049 top level 353 path Oceano/.snapshots/2302/snapshot
ID 9787 gen 70050 top level 354 path Symposium and Presentations/.snapshots/2303/snapshot
ID 9788 gen 70051 top level 355 path Classes/.snapshots/2301/snapshot
ID 9789 gen 70052 top level 374 path Now working on/.snapshots/2298/snapshot
ID 9869 gen 70302 top level 353 path Oceano/.snapshots/2322/snapshot
ID 9870 gen 70303 top level 354 path Symposium and Presentations/.snapshots/2323/snapshot
ID 9871 gen 70304 top level 355 path Classes/.snapshots/2321/snapshot
ID 9872 gen 70305 top level 374 path Now working on/.snapshots/2318/snapshot
ID 9925 gen 70728 top level 353 path Oceano/.snapshots/2336/snapshot
ID 9926 gen 70729 top level 354 path Symposium and Presentations/.snapshots/2337/snapshot
ID 9927 gen 70730 top level 355 path Classes/.snapshots/2335/snapshot
ID 9928 gen 70731 top level 374 path Now working on/.snapshots/2332/snapshot
ID 10021 gen 71507 top level 353 path Oceano/.snapshots/2360/snapshot
ID 10022 gen 71508 top level 354 path Symposium and Presentations/.snapshots/2361/snapshot
ID 10023 gen 71509 top level 355 path Classes/.snapshots/2359/snapshot
ID 10024 gen 71510 top level 374 path Now working on/.snapshots/2356/snapshot
ID 10117 gen 72218 top level 353 path Oceano/.snapshots/2384/snapshot
ID 10118 gen 72219 top level 354 path Symposium and Presentations/.snapshots/2385/snapshot
ID 10119 gen 72220 top level 355 path Classes/.snapshots/2383/snapshot
ID 10120 gen 72221 top level 374 path Now working on/.snapshots/2380/snapshot
ID 10213 gen 72972 top level 353 path Oceano/.snapshots/2408/snapshot
ID 10214 gen 72973 top level 354 path Symposium and Presentations/.snapshots/2409/snapshot
ID 10215 gen 72974 top level 355 path Classes/.snapshots/2407/snapshot
ID 10216 gen 72975 top level 374 path Now working on/.snapshots/2404/snapshot
ID 10309 gen 73710 top level 353 path Oceano/.snapshots/2432/snapshot
ID 10310 gen 73711 top level 354 path Symposium and Presentations/.snapshots/2433/snapshot
ID 10311 gen 73712 top level 355 path Classes/.snapshots/2431/snapshot
ID 10312 gen 73713 top level 374 path Now working on/.snapshots/2428/snapshot
ID 10405 gen 74071 top level 353 path Oceano/.snapshots/2456/snapshot
ID 10406 gen 74072 top level 354 path Symposium and Presentations/.snapshots/2457/snapshot
ID 10407 gen 74073 top level 355 path Classes/.snapshots/2455/snapshot
ID 10408 gen 74074 top level 374 path Now working on/.snapshots/2452/snapshot
ID 10481 gen 74186 top level 353 path Oceano/.snapshots/2475/snapshot
ID 10482 gen 74187 top level 354 path Symposium and Presentations/.snapshots/2476/snapshot
ID 10483 gen 74188 top level 355 path Classes/.snapshots/2474/snapshot
ID 10484 gen 74189 top level 374 path Now working on/.snapshots/2471/snapshot
ID 10516 gen 74697 top level 353 path Oceano/.snapshots/2483/snapshot
ID 10517 gen 74698 top level 354 path Symposium and Presentations/.snapshots/2484/snapshot
ID 10518 gen 74699 top level 355 path Classes/.snapshots/2482/snapshot
ID 10519 gen 74700 top level 374 path Now working on/.snapshots/2479/snapshot
ID 10520 gen 74726 top level 353 path Oceano/.snapshots/2484/snapshot
ID 10521 gen 74727 top level 354 path Symposium and Presentations/.snapshots/2485/snapshot
ID 10522 gen 74728 top level 355 path Classes/.snapshots/2483/snapshot
ID 10523 gen 74729 top level 374 path Now working on/.snapshots/2480/snapshot
ID 10524 gen 74760 top level 353 path Oceano/.snapshots/2485/snapshot
ID 10525 gen 74761 top level 354 path Symposium and Presentations/.snapshots/2486/snapshot
ID 10526 gen 74762 top level 355 path Classes/.snapshots/2484/snapshot
ID 10527 gen 74763 top level 374 path Now working on/.snapshots/2481/snapshot
ID 10528 gen 74792 top level 353 path Oceano/.snapshots/2486/snapshot
ID 10529 gen 74793 top level 354 path Symposium and Presentations/.snapshots/2487/snapshot
ID 10530 gen 74794 top level 355 path Classes/.snapshots/2485/snapshot
ID 10531 gen 74795 top level 374 path Now working on/.snapshots/2482/snapshot
ID 10532 gen 74826 top level 353 path Oceano/.snapshots/2487/snapshot
ID 10533 gen 74827 top level 354 path Symposium and Presentations/.snapshots/2488/snapshot
ID 10534 gen 74828 top level 355 path Classes/.snapshots/2486/snapshot
ID 10535 gen 74829 top level 374 path Now working on/.snapshots/2483/snapshot
ID 10536 gen 74858 top level 353 path Oceano/.snapshots/2488/snapshot
ID 10537 gen 74859 top level 354 path Symposium and Presentations/.snapshots/2489/snapshot
ID 10538 gen 74860 top level 355 path Classes/.snapshots/2487/snapshot
ID 10539 gen 74861 top level 374 path Now working on/.snapshots/2484/snapshot
ID 10540 gen 74888 top level 353 path Oceano/.snapshots/2489/snapshot
ID 10541 gen 74889 top level 354 path Symposium and Presentations/.snapshots/2490/snapshot
ID 10542 gen 74890 top level 355 path Classes/.snapshots/2488/snapshot
ID 10543 gen 74891 top level 374 path Now working on/.snapshots/2485/snapshot
ID 10544 gen 74919 top level 353 path Oceano/.snapshots/2490/snapshot
ID 10545 gen 74920 top level 354 path Symposium and Presentations/.snapshots/2491/snapshot
ID 10546 gen 74921 top level 355 path Classes/.snapshots/2489/snapshot
ID 10547 gen 74922 top level 374 path Now working on/.snapshots/2486/snapshot
ID 10548 gen 74951 top level 353 path Oceano/.snapshots/2491/snapshot
ID 10549 gen 74952 top level 354 path Symposium and Presentations/.snapshots/2492/snapshot
ID 10550 gen 74953 top level 355 path Classes/.snapshots/2490/snapshot
ID 10551 gen 74954 top level 374 path Now working on/.snapshots/2487/snapshot
ID 10552 gen 74981 top level 353 path Oceano/.snapshots/2492/snapshot
ID 10553 gen 74982 top level 354 path Symposium and Presentations/.snapshots/2493/snapshot
ID 10554 gen 74983 top level 355 path Classes/.snapshots/2491/snapshot
ID 10555 gen 74984 top level 374 path Now working on/.snapshots/2488/snapshot
ID 10556 gen 75011 top level 353 path Oceano/.snapshots/2493/snapshot
ID 10557 gen 75012 top level 354 path Symposium and Presentations/.snapshots/2494/snapshot
ID 10558 gen 75013 top level 355 path Classes/.snapshots/2492/snapshot
ID 10559 gen 75014 top level 374 path Now working on/.snapshots/2489/snapshot
ID 10560 gen 75042 top level 353 path Oceano/.snapshots/2494/snapshot
ID 10561 gen 75043 top level 354 path Symposium and Presentations/.snapshots/2495/snapshot
ID 10562 gen 75044 top level 355 path Classes/.snapshots/2493/snapshot
ID 10563 gen 75045 top level 374 path Now working on/.snapshots/2490/snapshot
ID 10564 gen 75067 top level 353 path Oceano/.snapshots/2495/snapshot
ID 10565 gen 75068 top level 354 path Symposium and Presentations/.snapshots/2496/snapshot
ID 10566 gen 75069 top level 355 path Classes/.snapshots/2494/snapshot
ID 10567 gen 75070 top level 374 path Now working on/.snapshots/2491/snapshot
ID 10568 gen 75097 top level 353 path Oceano/.snapshots/2496/snapshot
ID 10569 gen 75098 top level 354 path Symposium and Presentations/.snapshots/2497/snapshot
ID 10570 gen 75099 top level 355 path Classes/.snapshots/2495/snapshot
ID 10571 gen 75100 top level 374 path Now working on/.snapshots/2492/snapshot
ID 10572 gen 75123 top level 353 path Oceano/.snapshots/2497/snapshot
ID 10573 gen 75124 top level 354 path Symposium and Presentations/.snapshots/2498/snapshot
ID 10574 gen 75125 top level 355 path Classes/.snapshots/2496/snapshot
ID 10575 gen 75126 top level 374 path Now working on/.snapshots/2493/snapshot
ID 10576 gen 75151 top level 353 path Oceano/.snapshots/2498/snapshot
ID 10577 gen 75152 top level 354 path Symposium and Presentations/.snapshots/2499/snapshot
ID 10578 gen 75153 top level 355 path Classes/.snapshots/2497/snapshot
ID 10579 gen 75154 top level 374 path Now working on/.snapshots/2494/snapshot
ID 10580 gen 75175 top level 353 path Oceano/.snapshots/2499/snapshot
ID 10581 gen 75176 top level 354 path Symposium and Presentations/.snapshots/2500/snapshot
ID 10582 gen 75177 top level 355 path Classes/.snapshots/2498/snapshot
ID 10583 gen 75178 top level 374 path Now working on/.snapshots/2495/snapshot
ID 10584 gen 75213 top level 353 path Oceano/.snapshots/2500/snapshot
ID 10585 gen 75214 top level 354 path Symposium and Presentations/.snapshots/2501/snapshot
ID 10586 gen 75215 top level 355 path Classes/.snapshots/2499/snapshot
ID 10587 gen 75216 top level 374 path Now working on/.snapshots/2496/snapshot
ID 10588 gen 75233 top level 353 path Oceano/.snapshots/2501/snapshot
ID 10589 gen 75234 top level 354 path Symposium and Presentations/.snapshots/2502/snapshot
ID 10590 gen 75235 top level 355 path Classes/.snapshots/2500/snapshot
ID 10591 gen 75236 top level 374 path Now working on/.snapshots/2497/snapshot
ID 10592 gen 75239 top level 353 path Oceano/.snapshots/2502/snapshot
ID 10593 gen 75240 top level 354 path Symposium and Presentations/.snapshots/2503/snapshot
ID 10594 gen 75241 top level 355 path Classes/.snapshots/2501/snapshot
ID 10595 gen 75242 top level 374 path Now working on/.snapshots/2498/snapshot

Trying to create a snapper config for the subvolume "Classes":

sylvain@sylvain-pc ~/Research % sudo snapper -c Classes create-config Classes
Creating config failed (creating btrfs snapshot failed).

Trying to delete all the snapshots of Classes:

sylvain@sylvain-pc ~/Research % sudo btrfs subvolume delete Classes/.snapshots/*                              :(
ERROR: error accessing 'Classes/.snapshots/*'
1 sylvain@sylvain-pc ~/Research % sudo btrfs subvolume delete Classes/.snapshots/                               :(
Delete subvolume (no-commit): '/home/sylvain/Research/Classes/.snapshots'
ERROR: cannot delete '/home/sylvain/Research/Classes/.snapshots' - Directory not empty

Thanks in advance for any advices.

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