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,

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/
>
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>
>

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