Update:
Problem is still present in:
Ubuntu 20.04.4 LTS
Kernel: Linux 5.13.0-1030-oracle
OCFS2-Modules were gone after upgrade and had to be reinstalled with
apt install linux-modules-extra-5.13.0-1030-oracle
Problem is (after current upgrades) still NOT present in:
Ubuntu 18.04.6 LTS
Kernel: L
Last week has been a bit busy and I couldn't get to this, sorry; it's
still on my list.
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https://bugs.launchpad.net/bugs/1959581
Title:
OCFS2 intermittently not mountable on a second No
Hello Mauricio,
thank you for picking up the problem.
I confirm your understanding and attach setup steps and logs.
I can give you more details if needed - just ask me.
I'm in office from Monday to Thursday.
Best regards
** Attachment added: "setup steps.txt"
https://bugs.launchpad.net/ubun
Hi Norbert,
This would suggest this indeed isn't related to that kernel commit
(different symptom: hang vs. crash; and independently of quotas).
I'd like to check this in more detail on the kernel side, next week.
Could you please confirm whether my understanding to reproduce this is
correct?
-
I hope, that this will work.
What irritates me:
I did tests with deactivated quotas on system and disk, but the problem
remained.
We don't have the problem with Oracle Linux (RHEL), which uses regular kernels
too, afaik.
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Forgot this line,
> Those 2 versions are pulled by our ubuntu 5.13 generic kernel stable
> maintenance,
> which is currently at v5.15.26 (so a few to go for v5.15.33).
~/git/kernel/ubuntu-impish$ git log --oneline origin/master-next | grep stable
| head -n1
ffd44d75c03e UBUNTU: upstream stable
Hi,
I couldn't look at this bug in more detail, but I checked kernel git
repos.
It's not yet in ubuntu generic/oracle 5.13 kernel, but it's coming
sometime.
...
The commit was introduced in linux mainline in v5.18, and is present in
linux stable v5.15.33, but not yet in v5.10.x.
~/git/linux$ g
Thanks for getting back to us with more information Norbert.
I went through the Debian bug and it seems to be a linux bug instead of
ocfs2-tools one. The Debian maintainer came to a conclusion that this
commit needs to be included in the linux build:
From de19433423c7bedabbd4f9a25f7dbc62c5e78921
Unfortunately the problem is back in:
Ubuntu 20.04.4 LTS
Kernel: Linux 5.13.0-1027-oracle
ocfs2-tools 1.8.6-2ubuntu1
open-iscsi 2.0.874-7.1ubuntu6.2
... or was never solved an the solution before was just a lucky accident.
Meanwhile I have two servers, who never can mount an OCFS2 volume at the s
Thanks for describing your findings Norbert, and good to hear you have a
functional environment now. This might be helpful for others. In this
case, I do not think there is much we can do here, since this is a very
specific case in Oracle Cloud.
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Hello Paride & all,
sorry for the late reply but I was on vacation last week.
I found a solution/workaround now but it's a little bit strange.
Background: Oracle is offering different shapes of virtual machines.
In the OCFS2 cluster we are using:
VM.Standard.E4.Flex (AMD)
VM.Standard3.Flex (Intel
Hello Paride,
thank you for the detailed instruction - very helpful!
I hope it will work in Oracle environment, because they have their own Oracle
repositories.
For the moment I'm testing with current updates and new kernel
5.13.0-1018-oracle.
The error didn't happen immediately after the updat
@Norbert, as Lucas suggested please try using `do-release-upgrade`.
You'll have to edit
/etc/update-manager/release-upgrades
and set:
Prompt=normal
then just running `do-release-upgrade` should upgrade your system to
Impish (21.10). If you can still reproduce the issue there, please also
tr
I did not find any Oracle specific doc on how to upgrade a Ubuntu system
to Impish, which is kind of expected since they do not support this use
case. I'd recommend you to try to use `do-release-upgrade` to do that.
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Hello Paride,
thank you for the effort with the downgrade version.
The problem stays the same in open-iscsi 2.0.874-5ubuntu2.10~focal2.
Should we try a downgrade of ocfs2?
Do you know a description somewhere, how to upgrade an Oracle Focal LTS version
to Impish Indri?
It would be helpful for me
Hi Norbert,
I had a look at the differences between those two versions but I found
no clue. In any case I prepared a PPA with Bionc's open-iscsi compiled
for Focal:
https://launchpad.net/~paride/+archive/ubuntu/lp1959581
you can use this to verify that the issue isn't a regression that
happened
Thanks @all for not leaving me alone with this issue!
Open-iscsi versions:
Ubuntu 20.04.3 LTS: 2.0.874-7.1ubuntu6.2
Ubuntu 18.04.6 LTS: 2.0.874-5ubuntu2.10
(Oracle Linux Server 7.9: 6.2.0.874-22)
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Norbert,
Could you also provide which open-iscsi version you are using? I was
checking the difference between open-iscsi in bionic and focal and the
upstream version is the same but some patches were applied. For
instance, this is one bug reported by one Orable Cloud user which was
fixed in bionic
Hello Athos, here is the result:
Ubuntu 20.04 Cluster 1: -
Ubuntu 20.04 Cluster 2: -
Ubuntu 18.04: mlocate 0.26-2ubuntu3.1
PRUNE_BIND_MOUNTS="yes"
# PRUNENAMES=".git .bzr .hg .svn"
PRUNEPATHS="/tmp /var/spool /media /var/lib/os-prober /var/lib/ceph
/home/.ecryptfs /var/lib/schroot"
PRUNEFS="NFS
Hi Norbert,
It would be nice if we'd be able to come up with a minimal reproducer
here.
in the meanwhile, before we discard the issue linked by Sergio, would
you mind verifying in which cases (bionic, focal, and oracle linux) you
do have locate (or mlocate) installed (dpkg -l | grep locate) and t
After Sergio didn't find any corresponding change in OCFS2 tools delta I
could imagine, that there was a change in ISCSI adaption whicht could be
the reason in combination with OCFS2?
Unfortunately Oracle Cloud (OCI) does not offer Impish Indri as cloud image.
They only support the LTS versions 18
Hi Norbert,
Hm, interesting. I am not entirely sure what causes this (race?)
condition given the kernel upgrade didn't fix this. But this is still
not very clear where the problem is. As you noted, this is rather a very
difficult problem to run into and requires the infra that I/we don't
have acce
OK, the test with the new kernel went fast.
The problem appeared at the first boot with the new kernel.
Here some console output while trying to reboot:
# @ first shutdown with new kernel
[**] A stop job is running for Login to …SCSI targets (3min 36s / 4min 30s)
[ 605.284682] INFO: task mou
Hello Sergio,
thank you for picking up this bug.
I realize that this is a very difficult problem.
Regarding the possibilty of an upstream bug:
Meanwhile there is a new kernel available: Linux 5.11.0-1028-oracle
I will install it and do tests again.
This can need some days, because the bug does n
Thanks for the bug report, Norbert.
First of all, I noticed that the ocfs2-tools package contains a delta
relative to the Debian package. The delta is trivial, though, and is
there just to make sure the package is built only on support
architectures (see bug #1745155 for more details). I don't t
** Description changed:
Environment:
Oracle Cloud Infrastructure (OCI)
2 Nodes + ISCSI block volume with OCFS2
Operating System: Ubuntu 20.04.3 LTS
Kernel: Linux 5.11.0-1027-oracle
ocfs2-tools: 1.8.6-2ubuntu1
Problem:
OCFS2 is intermittently not mountable on a second Node.
** Description changed:
Environment:
Oracle Cloud Infrastructure (OCI)
2 Nodes + ISCSI block volume with OCFS2
Operating System: Ubuntu 20.04.3 LTS
Kernel: Linux 5.11.0-1027-oracle
ocfs2-tools: 1.8.6-2ubuntu1
Problem:
OCFS2 is intermittently not mountable on a second Node.
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