Thanks Matt. I have it installed on one machine so far and looks good
(in the past 10 minutes). fstrim of a ~30 TB RAID 10 took 73 seconds
instead of multiple hours.
# uname -a
Linux xxx 5.4.0-75-generic #84-Ubuntu SMP Fri May 28 16:28:37 UTC 2021 x86_64
x86_64 x86_64 GNU/Linux
# df -h
I have it running on two machines now that needed big RAID 10s:
# uname -rv
5.4.0-72-generic #80+TEST1896578v20210504b1-Ubuntu SMP Tue May 4 00:30:36 UTC
202
# df -h /opt/raid
Filesystem Size Used Avail Use% Mounted on
/dev/md0 30T 208G 29T 1% /opt/raid
# cat /proc/mdstat
Is there any ETA on a supported kernel with this patch?
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https://bugs.launchpad.net/bugs/1896578
Title:
raid10: Block discard is very slow, causing severe delays for mkfs and
fstrim
I may have found a workaround/fix, I posted to my own bug report:
https://bugs.launchpad.net/ubuntu/+source/debian-
installer/+bug/1854839/comments/2
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I may have found a workaround/fix for this. I noticed that
/etc/grub.d/30-os_prober has a GRUB_DISABLE_OS_PROBER variable that will
skip probing for other OSes on the machine, so I added
GRUB_DISABLE_OS_PROBER=true to the kernel options and the installer
proceeded to completion on a machine that
Public bug reported:
Installing Ubuntu 18.04 cleanly on boxes that have 14.04, the installer
hangs at the end during "update grub" at 66%, forever, until I switch to
another console and kill the pid of "dmsetup". Issue is described in
more detail here:
Affecting Dell DSS1500, 100% of the time. SATA drive.
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https://bugs.launchpad.net/bugs/1663645
Title:
Installation hangs at 66% "Installing GRUB boot loader"
To manage notifications
*** This bug is a duplicate of bug 1663645 ***
https://bugs.launchpad.net/bugs/1663645
Affecting Dell DSS1500, 100% of the time. SATA drive. Workaround
(found elsewhere) is to ctrl-alt-f2 during the hang and "ps | grep dm"
and kill the pid running "dmsetup create -r osprober-linux-sda1".
Same issue in #6 with Xenial. Same chef cookbook that works on 14.04
doesn't work on 16.04 because of the "seen" issue.
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https://bugs.launchpad.net/bugs/682662
Title:
pam-auth-update
Tested the hotfix package and trousers installed cleanly for me on
14.04.3.
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https://bugs.launchpad.net/bugs/1484740
Title:
14.04 trousers version 0.3.11.2-1 fails to start with TPM
Same as above. The problem appears to be due to an error in the
postinstall script, which references "udevd" instead of "systemd-udevd".
Fixed via this chef recipe, but should really be fixed in the package:
https://github.com/bloomberg/chef-
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