Re: [linux-lvm] Issue after upgrading the LVM2 package from 2.02.176 to 2.02.180

[KrishnaMurali Chennuboina <krishchennu414@gmail.com>]

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Hi Roger,

Missed to add my comment in the earlier mail.
From the filter it should not exclude /dev/sda*. But not sure why it is
being excluded while executing pvcreate command.

Thanks.

On Tue, 15 Sep 2020 at 18:28, KrishnaMurali Chennuboina <
krishchennu414@gmail.com> wrote:

> Hi Roger,
>
> Thanks for the information shared.
> Filter which we used in our conf file was,
>         # Accept every block device:
>           filter = [ "r|^/dev/drbd.*|" ]
>
>
> Thanks.
>
> On Tue, 15 Sep 2020 at 16:36, Roger Heflin <rogerheflin@gmail.com> wrote:
>
>> #1:
>> Device /dev/sda3 excluded by a filter.)
>> Failed to execute command: pvcreate -ffy /dev/sda3
>> ec=0
>>
>> excluded by filter is likely the issue, I think there was a bug were
>> it allowed that pvcreate to work when it should have blocked it
>> because of the filter.  It should not allow a pvcreate against
>> something blocked by a filter.
>>
>> #2: Read-only locking type set. Write locks are prohibited.
>> I am going to guess either / is not mounted rw, or you don't have the
>> directory mounted rw that is needed to create the locks (/var/run/lvm
>> usually).
>>
>> On Tue, Sep 15, 2020 at 1:42 AM KrishnaMurali Chennuboina
>> <krishchennu414@gmail.com> wrote:
>> >
>> > Hi Roger,
>> >
>> > I have tried this with the older LVM package(.176) and this issue was
>> not seen. Issue was seen with .180 version every time.
>> > # executing command: vgchange -ay
>> > (status, output): (0,   WARNING: Failed to connect to lvmetad. Falling
>> back to device scanning.)
>> >   WARNING: Failed to connect to lvmetad. Falling back to device
>> scanning.
>> > # executing command: pvcreate -ffy /dev/sda3
>> > (status, output): (5,   WARNING: Failed to connect to lvmetad. Falling
>> back to device scanning.
>> >   Error reading device /dev/sda3 at 0 length 4096.
>> >   Error reading device /dev/ram0 at 0 length 4096.
>> >   Error reading device /dev/loop0 at 0 length 4096.
>> >   Error reading device /dev/sda at 0 length 512.
>> >   Error reading device /dev/sda at 0 length 4096.
>> >   Error reading device /dev/ram1 at 0 length 4096.
>> >   Error reading device /dev/sda1 at 0 length 4096.
>> >   Error reading device /dev/ram2 at 0 length 4096.
>> >   Error reading device /dev/sda2 at 0 length 4096.
>> >   Error reading device /dev/ram3 at 0 length 4096.
>> >   Error reading device /dev/ram4 at 0 length 4096.
>> >   Error reading device /dev/ram5 at 0 length 4096.
>> >   Error reading device /dev/ram6 at 0 length 4096.
>> >   Error reading device /dev/ram7 at 0 length 4096.
>> >   Error reading device /dev/ram8 at 0 length 4096.
>> >   Error reading device /dev/ram9 at 0 length 4096.
>> >   Error reading device /dev/ram10 at 0 length 4096.
>> >   Error reading device /dev/ram11 at 0 length 4096.
>> >   Error reading device /dev/ram12 at 0 length 4096.
>> >   Error reading device /dev/ram13 at 0 length 4096.
>> >   Error reading device /dev/ram14 at 0 length 4096.
>> >   Error reading device /dev/ram15 at 0 length 4096.
>> >   Device /dev/sda3 excluded by a filter.)
>> > Failed to execute command: pvcreate -ffy /dev/sda3
>> > ec=0
>> >
>> > I have tried with different options of pvcreate but didnt helped much.
>> After the system got halted with the above error, i tried to executing pvs
>> command but got the below error.
>> > bash-4.4# pvs
>> >   Error reading device /dev/ram0 at 0 length 4096.
>> >   Error reading device /dev/loop0 at 0 length 4096.
>> >   Error reading device /dev/sda at 0 length 512.
>> >   Error reading device /dev/sda at 0 length 4096.
>> >   Error reading device /dev/ram1 at 0 length 4096.
>> >   Error reading device /dev/sda1 at 0 length 4096.
>> >   Error reading device /dev/ram2 at 0 length 4096.
>> >   Error reading device /dev/sda2 at 0 length 4096.
>> >   Error reading device /dev/ram3 at 0 length 4096.
>> >   Error reading device /dev/sda3 at 0 length 4096.
>> >   Error reading device /dev/ram4 at 0 length 4096.
>> >   Error reading device /dev/sda4 at 0 length 4096.
>> >   Error reading device /dev/ram5 at 0 length 4096.
>> >   Error reading device /dev/ram6 at 0 length 4096.
>> >   Error reading device /dev/ram7 at 0 length 4096.
>> >   Error reading device /dev/ram8 at 0 length 4096.
>> >   Error reading device /dev/ram9 at 0 length 4096.
>> >   Error reading device /dev/ram10 at 0 length 4096.
>> >   Error reading device /dev/ram11 at 0 length 4096.
>> >   Error reading device /dev/ram12 at 0 length 4096.
>> >   Error reading device /dev/ram13 at 0 length 4096.
>> >   Error reading device /dev/ram14 at 0 length 4096.
>> >   Error reading device /dev/ram15 at 0 length 4096.
>> >   Error reading device /dev/sdb at 0 length 512.
>> >   Error reading device /dev/sdb at 0 length 4096.
>> >   Error reading device /dev/sdb1 at 0 length 4096.
>> >   Error reading device /dev/sdb2 at 0 length 4096.
>> >   Error reading device /dev/sdb3 at 0 length 4096.
>> >   Read-only locking type set. Write locks are prohibited.
>> >   Recovery of standalone physical volumes failed.
>> >   Cannot process standalone physical volumes
>> > bash-4.4#
>> >
>> > Attached the complete log in initial mail.
>> >
>> > Thanks.
>> >
>> > On Mon, 14 Sep 2020 at 20:29, Roger Heflin <rogerheflin@gmail.com>
>> wrote:
>> >>
>> >> In general I would suggest fully disabling lvmetad from the config
>> >> files and from being started up.
>> >>
>> >> Issues around it not answering (like above) and answering but somehow
>> >> having stale/wrong info have burned me too many times to trust it.  It
>> >> may be a lvmetad bug, or be udevd weirdness.
>> >>
>> >> The only significant improvement it makes is it reduces the lvm
>> >> command time on installs with significant numbers of devices, but
>> >> given that the info has been wrong often enough that is not worth the
>> >> risk.
>> >>
>> >> On Mon, Sep 14, 2020 at 2:25 AM KrishnaMurali Chennuboina
>> >> <krishchennu414@gmail.com> wrote:
>> >> >
>> >> > Hi Team,
>> >> >
>> >> > While trying to analyze one the issue, we felt that upgrading the
>> current LVM2 package in our repository will be the best approach.
>> >> > As part of that, we have updated the respective package from
>> 2.02.176 to 2.02.180. We have verified the same and booted x86_64 hardware
>> without any issues.
>> >> >
>> >> > But while trying to boot mips64 hardware we have started observing
>> the below issue.  Providing the snippet of the log,
>> >> >
>> >> > # executing command: vgchange -an
>> >> > (status, output): (0,   WARNING: Failed to connect to lvmetad.
>> Falling back to device scanning.)
>> >> >   WARNING: Failed to connect to lvmetad. Falling back to device
>> scanning.
>> >> >
>> >> > Attached the detailed log for reference. There is no other change
>> included other than the LVM2 update.
>> >> >
>> >> > LVM2 Version: 2.02.176
>> >> > Updated LVM2 version: 2.02.180
>> >> >
>> >> > Please share inputs on why this issue is being observed with .180
>> version?
>> >> > Please let me know if i can share any other information.
>> >> >
>> >> > Thanks.
>> >> >
>> >> > _______________________________________________
>> >> > linux-lvm mailing list
>> >> > linux-lvm@redhat.com
>> >> > https://www.redhat.com/mailman/listinfo/linux-lvm
>> >> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>> >>
>> >> _______________________________________________
>> >> linux-lvm mailing list
>> >> linux-lvm@redhat.com
>> >> https://www.redhat.com/mailman/listinfo/linux-lvm
>> >> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>> >>
>> > _______________________________________________
>> > linux-lvm mailing list
>> > linux-lvm@redhat.com
>> > https://www.redhat.com/mailman/listinfo/linux-lvm
>> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>
>> _______________________________________________
>> linux-lvm mailing list
>> linux-lvm@redhat.com
>> https://www.redhat.com/mailman/listinfo/linux-lvm
>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>>
>>

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