This bug was fixed in the package zfs-linux - 0.8.1-1ubuntu14.1
---
zfs-linux (0.8.1-1ubuntu14.1) eoan; urgency=medium
* 4600-diff_cb-does-not-handle-large-dnodes.patch
- fix zfs diff on snapshots with large dnodes (LP: #1849665)
Minor backport of upstream ZFS commit
Installed the new zfsutils + zfs dkms to sanity check the kernel driver
part of the fix:
dmesg | grep ZFS
[ 22.420188] ZFS: Loaded module v0.8.1-1ubuntu14.1, ZFS pool version 5000,
ZFS filesystem version 5
And now the test:
root@eoan-amd64-uefi:~# mkdir /zfs-test
root@eoan-amd64-uefi:~# cd
So this is a 2-phase fix. The dkms package is updated, then we test
this, then this gets sync'd into the kernel. I'm testing it right now,
let me sanity check the zfs-dkms part first and get that updated as step
#1.
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Hm, at first glance this didn't work with the new kernel and zfsutils-
linux package:
root@nsn7:/zfs-test# zfs diff tank/d1@s1 tank/d1
Unable to determine path or stats for object 3 in tank/d1@s1: File exists
root@nsn7:/zfs-test# uname -a
Linux nsn7 5.3.0-21-generic #22-Ubuntu SMP Tue Oct 29
Eoan verification
First, reproducing the bug:
root@nsn7:~# mkdir /zfs-test
root@nsn7:~# cd /zfs-test/
root@nsn7:/zfs-test# truncate -s 10G file.img
root@nsn7:/zfs-test# zpool create -o ashift=12 -O acltype=posixacl -O
compression=lz4 -O xattr=sa -O normalization=formD -O dnodesize=auto tank
Hello Andreas, or anyone else affected,
Accepted zfs-linux into eoan-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/zfs-
linux/0.8.1-1ubuntu14.1 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
** Also affects: zfs-linux (Ubuntu Eoan)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1849665
Title:
zfs diff: Unable to determine path
This bug was fixed in the package zfs-linux - 0.8.1-1ubuntu16
---
zfs-linux (0.8.1-1ubuntu16) focal; urgency=medium
* 4600-diff_cb-does-not-handle-large-dnodes.patch
- fix zfs diff on snapshots with large dnodes (LP: #1849665)
Minor backport of upstream ZFS commit
uploaded zfs-linux (0.8.1-1ubuntu14.1) eoan (will land in -proposed sometime
soon)
uploaded zfs-linux (0.0.1.1ubuntu16) focal
Once the packages are uploaded the dkms driver component will be sync'd
into the next kernel and then once this is in -proposed it can be fully
tested.
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Thanks!
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https://bugs.launchpad.net/bugs/1849665
Title:
zfs diff: Unable to determine path or stats for object
Status in zfs-linux package in Ubuntu:
In Progress
I'll get this uploaded into -proposed once the current SRU backlog is
out.
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https://bugs.launchpad.net/bugs/1849665
Title:
zfs diff: Unable to determine path or stats
** Description changed:
+ == SRU Justification, Eoan ==
+
+ Using zfs diff on an encrypted dataset with large objects one can hit an
+ error such as follows:
+
+ # zfs diff nsnx/trusty-2a@snap1 nsnx/trusty-2a
+ + /nsnx/trusty-2a/bin
+ Unable to determine path or stats for object 5 in
With the fix:
root@eoan-amd64-efi:/home/cking# mkdir /zfs-test
root@eoan-amd64-efi:/home/cking# cd /zfs-test
root@eoan-amd64-efi:/zfs-test# truncate -s 10G file.img
root@eoan-amd64-efi:/zfs-test# zpool create -o ashift=12 -O acltype=posixacl -O
compression=lz4 -O xattr=sa -O normalization=formD
Confirming that upstream commit
https://github.com/zfsonlinux/zfs/commit/d359e99c38f66732d42278c32d52cfcf1839aa4f
fixes this issue.
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** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => High
** Changed in: zfs-linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: zfs-linux (Ubuntu)
Status: New => In Progress
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