Thank you for your analysis and test kernel.
A lot of our machines (Supermicro X11 / Xeon W-2133 based) also suffer from the
problem introduced by 4.15.0-177.
I can confirm that the kernel 4.15.0-182-generic #191+lp1973167 provided
by Kai-Heng Feng fixes the issue on my HW.
Could you please
Unfortunately, my glibc on Ubuntu 20.04 is too old:
rpc.idmapd: libnfsidmap: Unable to load plugin:
/lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.33' not found (required by
/lib/x86_64-linux-gnu/libnfsidmap/regex.so)
mememe@deatcsXXXfcYYY:/# dpkg-query --showformat=\${Version} --show libc6
Hi Matthew,
sorry for the late reply.
Today I triggered another fstrim with the linux-image-5.4.0-75-generic kernel
and made a final check on the RAID - for me no trouble occured yet.
Thank you for pursuing this topic so persistently and providing the patches to
the Ubuntu kernel finally.
Best
Hi Matthew,
Thanks for your effort to add this feature to the Ubuntu kernels.
I installed linux-image-5.4.0-75-generic on 2021-06-08.
Neither during normal work nor during manual fstrim any problems so far.
Best regards,
Thimo
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Hi Matthew,
thank you for your continuous effort. I tested your 5.4.0-72-generic
#80+TEST1896578v20210504b1-Ubuntu until now without trouble.
I also started fstrim manually on a machine which did not do it for some time
due to disabled fstrim service.
Regards,
Thimo
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You received this bug
Hi Matthew,
thank you for providing the test-kernel and instructions. I will give it
a try.
Regards,
Thimo
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1907262
Title:
raid10: discard leads to
Hi Matthew,
are these tests still relevant for you?
BR,
Thimo
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https://bugs.launchpad.net/bugs/1907262
Title:
raid10: discard leads to corrupted file system
To manage notifications
Public bug reported:
Dear professionals,
When using the regex translation method for idmapping, idmapd complains
about an unresolved symbol (nfsidmap_config_get) in the regex.so shared
object:
systemctl status -l nfs-idmapd.service
● nfs-idmapd.service - NFSv4 ID-name mapping service
This is just the procedure with the least damage I found.
Still data loss may happen (and actually happened to some of our systems).
Probably first re-adding (after zeroing) the second component to the
RAID and then fsck-ing leads to the exact same result but I wanted to
keep the second component
Hi Matthew and all,
thank you for taking action immediately. I really appreciate your
effort.
After investigating the issue further I have to add that the mount
option discard seems to trigger the issue, too.
@Trent
The general problem here is that RAID10 can balance single read streams to all
Public bug reported:
Seems to be closely related to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896578
After updating the Ubuntu 18.04 kernel from 4.15.0-124 to 4.15.0-126 the
fstrim command triggered by fstrim.timer causes a severe number of
mismatches between two RAID10 component
The removal of the package is quite unfortunate since rasdaemon is still
missing the email notification feature.
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https://bugs.launchpad.net/bugs/1752251
Title:
Missing mcelog
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