** Changed in: zfs-linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
zpool scrub malfunction after kernel
I just updated and the problem is fixed. Thanks everyone.
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Title:
zpool scrub malfunction after kernel upgrade
Status in
This bug was fixed in the package zfs-linux - 0.7.5-1ubuntu16.9
---
zfs-linux (0.7.5-1ubuntu16.9) bionic; urgency=medium
* Fix scan rate reporting statistics (LP: #1860182)
- 3322-add-scrub-compat-fixes.patch
- 2200-add-zfs-0.6.x-ioctl-compat-shim.patch (refreshed)
Use
** Tags added: verification-done-bionic
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Title:
zpool scrub malfunction after kernel upgrade
Status in zfs-linux package in
autopkgtests tests passed - all looks sane.
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Title:
zpool scrub malfunction after kernel upgrade
Status in zfs-linux package
The autopkgtests are working fine now after a re-trigger.
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Title:
zpool scrub malfunction after kernel upgrade
Status in
** Changed in: zfs-linux (Ubuntu Bionic)
Status: New => Fix Committed
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Title:
zpool scrub malfunction after kernel
@SRU folk, can this expedited as this does affect ZFS scrubs with HWE
kernels and it is a relatively simple userspace fix?
** Changed in: zfs-linux (Ubuntu)
Importance: High => Critical
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Thanks for identifying and fixing the bug! I'll test it when it lands.
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Title:
zpool scrub malfunction after kernel upgrade
I've uploaded a fixed package, it's now going to proceed via the normal
SRU process.
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Title:
zpool scrub malfunction after
** Description changed:
+ == SRU Request [BIONIC] ==
+
+ The HWE kernel on bionic provides zfs 0.8.1 driver which includes an
+ improved scrub however, the progress stats reported by the kernel are
+ incompatible to the 0.7.x zfs driver.
+
+ == Fix ==
+
+ Use the new zfs 8.x pool_scan_stat_t
I'm trying to reproduce this issue, but scrub always completes in a
reasonable amount of time in my case and `zpool status` seems to report
the correct statistics. I've tried with different pool sizes (all
smaller than 256GB). Are you using any special configuration for the
zpool?
I was wondering
OK, I'll look into this sometime this week. Thanks for the information.
** Changed in: zfs-linux (Ubuntu)
Importance: Medium => High
** Changed in: zfs-linux (Ubuntu)
Status: Triaged => In Progress
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Yes, @gerald-drouillard, that's what I found. It will complete, but the
progress and details reported by `zpool status` are incorrect.
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I believe there was something on the zfs user list that had a similar
problem. Let the scrub run as long on the HWE kernel as the other and
it looks like it will complete.
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** Changed in: zfs-linux (Ubuntu)
Importance: High => Medium
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Title:
zpool scrub malfunction after kernel upgrade
Status in
Update: The scrub back on 4.15 went as expected. I rebooted with 5.3
kernel and tried the scrub again. I saw the same behaviour: the scrub
started, with a very fast rate and short time estimate (3-5 minutes),
and then reached 100% after about that time. However it continued to say
it was in
Okay thank you. I will let the scrub run to completion on kernel 4.15,
then I will reboot back into 5.3 and scrub again and will allow it time
to see what happens. Even if it does end up completing, the text of
zpool status was still incorrect: as it was running it said 5 mins
remaining, then said
Note: rebooting and running the older kernel (4.15.0-74-generic
#84-Ubuntu) results in the scrub proceeding at the expected rate.
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You original scrub took just under 4.5 hours. Have you let the second
scrub run anywhere near that long? If not, start there.
The new scrub code uses a two-phase approach. First it works through
metadata determining what (on-disk) blocks to scrub. Second, it does the
actual scrub. This allows ZFS
** Changed in: zfs-linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => High
** Changed in: zfs-linux (Ubuntu)
Status: New => Triaged
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