[Bug 290205] ZFS: file stuck in delete queue
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Date: Sun, 13 Sep 2026 09:56:18 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290205
--- Comment #3 from Tobias Bengtsson <me@tobiasbengtsson.se> ---
I've ruled out the explanation that non-deleted files are hidden by other
overlay mounts by inspecting a snapshot (now deleted so that I don't have any
snapshots left). In fact, I could find the files in the delete queue.
# zdb -dddd nucroot/ROOT/default 1 | grep DELETE
DELETE_QUEUE = 33
# zdb -dddd nucroot/ROOT/default 33 | grep entries
microzap: 8704 bytes, 63 entries
It's been stuck at 63 entries for many days across reboots (over SSH,
unfortunately it's a distant server so my toolbox is limited)
Among the 63 files listed, two are particularly large:
# zdb -dddd nucroot/ROOT/default 33 | awk '/\t\t/ {print $3}' > /tmp/deleteq
# cat /tmp/deleteq | xargs zdb -dddd nucroot/ROOT/default | awk '/size\t/'
size 177064
size 37912
size 1235264
size 128008
size 16400
size 490616
size 1957960
size 1291304
size 694464
size 119808
size 236656
size 20782346636
size 1235216
size 52816
size 1010960
size 135488
size 37568
size 47808
size 6323456
size 199656
size 267016
size 237584
size 19289505820
size 105232
size 1235120
size 9728
size 9888
size 1287312
size 993768
size 16208
size 127696
size 106416
size 23600
size 82240
size 1316176
size 1291144
size 25440
size 64288
size 833272
size 52552
size 1221056
size 117784
size 82408
size 499512
size 64008
size 1235304
size 88360
size 1049120
size 804704
size 57080
size 4629672
size 4632048
size 692664
size 199304
size 1957616
size 70872
size 57672
size 1957880
size 47944
size 2061440
size 133192
size 94600
size 1245488
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