On Wednesday, June 12, 2019 1:43:00 AM EDT Andrei Borzenkov wrote: > 11.06.2019 7:19, Eric Mesa пишет: > > On Monday, June 10, 2019 11:39:53 PM EDT Andrei Borzenkov wrote: > >> 11.06.2019 4:10, Chris Murphy пишет: > >>> It's most useful if you show exact commands because actually it's not > >>> always obvious to everyone what the logic should be and the error > >>> handling doesn't always stop a user from doing something that doesn't > >>> make a lot of sense. We need to know the name of the rw subvolume; the > >>> command to snapshot it; the full send/receive command for that first > >>> snapshot; the command for a subsequent snapshot; and the command to > >>> incrementally send/receive it. > >> > >> And the actual output of each command, not description what user thinks > >> has happened. > > > > Here is a new session where I'll capture everything - well, on the defrag > > I'll do a snip. > > > > #btrfs fi defrag -v -r /home/ > > > > ...there follows a list of files that just scrolls infinitely.... > > /home/ermesa/.dropbox-dist/dropbox-lnx.x86_64-74.4.115/_bisect.cpython-37m > > - > > x86_64-linux-gnu.so > > /home/ermesa/.dropbox-dist/dropbox-lnx.x86_64-74.4.115/ > > tornado.speedups.cpython-37m-x86_64-linux-gnu.so > > /home/ermesa/.bash_history > > total 1 failures > > > > # sync > > > > # btrfs sub snap -r /home/ /home/.snapshots/2019-06-10-2353 > > Create a readonly snapshot of '/home/' in > > '/home/.snapshots/2019-06-10-2353' > > > > # btrfs send -vvv -p /home/.snapshots/2019-06-10-1718/ /home/.snapshots/ > > 2019-06-10-2353/ | ssh root@tanukimario btrfs receive > > /media/backups/backups1/ supermario-home > > At subvol /home/.snapshots/2019-06-10-2353/ > > ERROR: link ermesa/.mozilla/firefox/n35gu0fb.default/bookmarkbackups/ > > bookmarks-2019-06-10_679_I1bs5PtgsPwtyXvcvcRdSg==.jsonlz4 -> > > ermesa/.mozilla/ firefox/n35gu0fb.default/bookmarkbackups/ > > bookmarks-2019-06-09_679_I1bs5PtgsPwtyXvcvcRdSg==.jsonlz4 failed: No such > > file or directory > > Does > ermesa/.mozilla/firefox/n35gu0fb.default/bookmarkbackups/bookmarks-2019-06-0 > 9_679_I1bs5PtgsPwtyXvcvcRdSg==.jsonlz4 actually exist in snapshot > /home/.snapshots/2019-06-10-1718/ on source? > > ls -lR > /home/.snapshots/2019-06-10-1718/ermesa/.mozilla/n35gu0fb.default/bookmarkba > ckups > > What is the content of the same directory in matching snapshot on > destination? > > Please show "btrfs subvolume list -qRu /home" for source and "btrfs > subvolume list -qRu /media/backups/backups1/supermario-home" for > destination. Sure thing. Thanks for your help. This is source disk: # ls -lR /home/.snapshots/2019-06-10-1718/ermesa/.mozilla/n35gu0fb.default/ bookmarkbackups/ ls: cannot access '/home/.snapshots/2019-06-10-1718/ermesa/.mozilla/ n35gu0fb.default/bookmarkbackups/': No such file or directory You didn't ask for the child, but I'm going to do it in that, too: # ls -lR /home/.snapshots/2019-06-10-2353/ermesa/.mozilla/n35gu0fb.default/ bookmarkbackups/ ls: cannot access '/home/.snapshots/2019-06-10-2353/ermesa/.mozilla/ n35gu0fb.default/bookmarkbackups/': No such file or directory One more thing you didn't ask for, but since this is the ancestor of all -p snapshots that actually worked: # ls -lR /home/.snapshots/2019-06-05-postdefrag/ermesa/.mozilla/ n35gu0fb.default/bookmarkbackups/ ls: cannot access '/home/.snapshots/2019-06-05-postdefrag/ermesa/.mozilla/ n35gu0fb.default/bookmarkbackups/': No such file or directory On the destination disk: # pwd /media/backups/backups1/supermario-home # ls -lR 2019-06-10-1718/ermesa/.mozilla/n35gu0fb.default/bookmarkbackups/ ls: cannot access '2019-06-10-1718/ermesa/.mozilla/n35gu0fb.default/ bookmarkbackups/': No such file or directory On the source disk: # btrfs subvolume list -qRu /home ID 822 gen 3042780 top level 5 parent_uuid c6101e57-acd3-e54c-a957- b2b6a033bc42 received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 7247f4a0-6ea2-0d49-b5c5-1ea2ecb8980a path home ID 823 gen 3042727 top level 822 parent_uuid - received_uuid - uuid f83e53b6-dc88-1a44- a5e8-f220d5d21083 path .snapshots ID 2515 gen 3008316 top level 823 parent_uuid 7247f4a0-6ea2-0d49- b5c5-1ea2ecb8980a received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 8ef83478-86be-8a47-a425-1dc6957a0fbe path .snapshots/2019-06-05-postdefrag ID 2516 gen 3021663 top level 823 parent_uuid 7247f4a0-6ea2-0d49- b5c5-1ea2ecb8980a received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid cbb67aec-02ed-8247-afee-38ae94555471 path .snapshots/2019-06-08-1437 ID 2518 gen 3027353 top level 823 parent_uuid 7247f4a0-6ea2-0d49- b5c5-1ea2ecb8980a received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid ca361150-1050-5844-bff7-de5c89b5cc05 path .snapshots/2019-06-09-1550 ID 2519 gen 3028168 top level 823 parent_uuid 7247f4a0-6ea2-0d49- b5c5-1ea2ecb8980a received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 5fa82b5e-59e1-2549-a939-5dabc99c0f2a path .snapshots/2019-06-09-1944 ID 2520 gen 3032614 top level 823 parent_uuid 7247f4a0-6ea2-0d49- b5c5-1ea2ecb8980a received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid df437aaf-0f40-344e-8302-932ea8e5f197 path .snapshots/2019-06-10-1718 ID 2521 gen 3034140 top level 823 parent_uuid 7247f4a0-6ea2-0d49- b5c5-1ea2ecb8980a received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 2b985685-d88b-784a-b870-8f5f8fcdd08c path .snapshots/2019-06-10-2353 On the destination disk: (I deleted 2019-06-2353 since it wasn't a valid backup and I didn't want to get confused when determining which backups I could delete) btrfs subvolume list -qRu /media/backups/backups1/supermario-home ID 257 gen 15047 top level 5 parent_uuid - received_uuid - uuid 5d93ca75- f423-9840-893e-6324f7e79e02 path backups ID 258 gen 15049 top level 257 parent_uuid - received_uuid - uuid 8b60359a-9525-4044- ac04-4982f1f1fe3a path backups/supermario-home ID 826 gen 14290 top level 257 parent_uuid - received_uuid - uuid c7dc0373-7e2a-bb44- b32c-172aac73b8a7 path backups/VG_ROMs ID 827 gen 4313 top level 826 parent_uuid - received_uuid a85853e1-848f-ac46-93c6-da5035cc8042 uuid 0ef9b4f9- f8b6-8943-8714-38e9376019bf path backups/VG_ROMs/2017-01-21-original ID 1021 gen 4334 top level 826 parent_uuid 0ef9b4f9- f8b6-8943-8714-38e9376019bf received_uuid c7356dd2-9fa3-1141-8433-4ba96e4cdcd6 uuid 8c46bc72-9738-d24e-bb9a-c1edcf7a4755 path backups/VG_ROMs/2019-05-30 ID 1024 gen 15048 top level 257 parent_uuid - received_uuid - uuid bc92cd25-cf4b- d24c-8cf5-ddb0df654e05 path backups/Comics ID 1025 gen 9890 top level 1024 parent_uuid - received_uuid fd3e9edb-854a-4143-993e-e2a8bbd4cedb uuid 7a5bd7be-43aa-7f44-9443-ff96cf575175 path backups/Comics/2019-05-30 ID 1027 gen 4336 top level 826 parent_uuid 8c46bc72-9738-d24e-bb9a- c1edcf7a4755 received_uuid - uuid 85b5572b- edc3-6d48-8b4d-3c956cae2da5 path backups/VG_ROMs/ROMs_NFS-orig ID 1602 gen 15047 top level 257 parent_uuid - received_uuid - uuid 13ab4679- eccb-6544-8176-6f494236f1c9 path backups/Archive ID 1603 gen 9964 top level 1602 parent_uuid - received_uuid 3c48ee45-4454-2f4a-86b7-5c498ffb784d uuid ab3efbd4-e78f-f745- b401-b653e0ad6667 path backups/Archive/2019-06-01 ID 2726 gen 10165 top level 1024 parent_uuid 7a5bd7be-43aa-7f44-9443- ff96cf575175 received_uuid 0df42045-b04a-5f43-924e-69b39e1b3ce6 uuid f46a045c-41c4-c543-ba5f-948b97e43746 path backups/Comics/2019-06-03 ID 2728 gen 12315 top level 1602 parent_uuid ab3efbd4-e78f-f745-b401- b653e0ad6667 received_uuid 649d6bec-9f54-2a44-8fed-8e6e9c054f8c uuid 255c8dc8-8d61-9342-9f3c-af06fe82daf6 path backups/Archive/2019-06-03 ID 2732 gen 10171 top level 1024 parent_uuid f46a045c-41c4-c543- ba5f-948b97e43746 received_uuid a3a6b2d9-0b30-a342-bafb-6a3a70258994 uuid 0cb98f03-0152-494c-935f-d6af45cf23dd path backups/Comics/2019-06-03p2 ID 2977 gen 12337 top level 1602 parent_uuid 255c8dc8-8d61-9342-9f3c- af06fe82daf6 received_uuid 1404041e-6456-2641-a35a-f30f08baf250 uuid 42eb5475-1b2f-8948-8333-b8a1267455e0 path backups/Archive/2019-06-05 ID 2983 gen 15033 top level 258 parent_uuid - received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 7685ff5c-0a72- f94e-93d7-7736f68b3ec5 path 2019-06-05-postdefrag ID 3545 gen 14310 top level 258 parent_uuid 7685ff5c-0a72- f94e-93d7-7736f68b3ec5 received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 26791559-bd47-e44f-9e2f-0ea258615429 path 2019-06-08-1437 ID 3550 gen 14878 top level 258 parent_uuid 7685ff5c-0a72- f94e-93d7-7736f68b3ec5 received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 7c9787bc-fbc4-c146-b88b-e5dd10918eaa path 2019-06-09-1944 ID 3582 gen 15012 top level 258 parent_uuid 7685ff5c-0a72- f94e-93d7-7736f68b3ec5 received_uuid ab1ea98a-b950-2047-802d-3b26568e2e14 uuid 44963c1e-7bc7-f34a-9370-ce180ce05b69 path 2019-06-10-1718 -- Eric Mesa
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