On Fri, Jul 31, 2020 at 8:10 AM Torsten Ennenbach <tennenbach@xxxxxxxxxxxx> wrote: > > Hi Jason > > > Am 31.07.2020 um 14:08 schrieb Jason Dillaman <jdillama@xxxxxxxxxx>: > > > > rados > > -p rbd listomapvals rbd_header.f907bc6b8b4567 > > rados -p rbd listomapvals rbd_header.f907bc6b8b4567 > error getting omap keys rbd/rbd_header.f907bc6b8b4567: (2) No such file or directory Ack. This can be fixed, but do you have any idea how the child image was removed? The removal process should delete its link to the parent before it's actually deleted (same w/ the flatten process). If there is some bug allowing images to slip through, I would like to fix it. First step to removing that link manually will be to get the image id of the "delete-me-please" image via "rbd info". You can then run the following to find the matching key entry for that image id (it's buried in a binary blob): (looking for 106e8126b1f2 in my example) $ rados -p rbd listomapvals rbd_children <..... snip ....> key (32 bytes): 00000000 02 00 00 00 00 00 00 00 0c 00 00 00 31 30 36 65 |............106e| 00000010 38 31 32 36 62 31 66 32 04 00 00 00 00 00 00 00 |8126b1f2........| 00000020 value (19 bytes) : 00000000 01 00 00 00 0b 00 00 00 31 30 37 37 64 32 36 64 |........1077d26d| 00000010 38 66 64 |8fd| 00000013 < .... snip .... > You will then need to use hexedit (or something similar) to create a file w/ that exact binary key value that matches your image id. Below I've tweaked the hex from above key to match the xxd import format: $ cat <<EOF > key.txt > 00000000: 02 00 00 00 00 00 00 00 0c 00 00 00 31 30 36 65 ............106e > 00000010: 38 31 32 36 62 31 66 32 04 00 00 00 00 00 00 00 8126b1f2........ > EOF $ xxd -r -g 1 key.txt key.bin $ xxd -g 1 key.bin 00000000: 02 00 00 00 00 00 00 00 0c 00 00 00 31 30 36 65 ............106e 00000010: 38 31 32 36 62 31 66 32 04 00 00 00 00 00 00 00 8126b1f2........ You can now provide that binary key file to rados to remove the offending key: $ rados -p rbd rmomapkey rbd_children --omap-key-file key.bin > > Torsten > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > -- Jason _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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