On Sat, Aug 22, 2020 at 04:36:27AM -0700, L A Walsh wrote:
> pvcreate -M2 --pvmetadatacopies 2 /dev/sda1
> Failed to clear hint file.
> So why am I getting a message about not clearing a hint file (running s root)
I'm guessing that no commands have permission to use /run/lvm/hints, so
they just skip it. But, this is one place printing a warning about it.
I'll remove the warning. Run 'pvs', and check if /run/lvm/hints exists.
If not, you might want to look at permission issues.
> and how do I modify a VG that I don't want to make any modifications to?
To fix that header you can run 'vgck --updatemetadata Backup'.
> From an online man page, I should have been able to use -ff to recreate
> a pv over the top of a preexisting one, but that didn't seem to work. I
> got:
> pvcreate -ff -M2 --pvmetadatacopies 2 /dev/sda1
> Failed to clear hint file.
> WARNING: PV /dev/sdd1 in VG Backup is using an old PV header, modify
> the VG to update.
> Cannot access VG Space with system ID Ishtar with unknown local system ID.
> Device /dev/sda1 excluded by a filter.
You're not using system ID correctly.
> I also ran into a problem on how to tell vgcreate to use the whole pv.
> That was complicated by trying to specify my hostname as a system id:
> Cannot access VG Space with system ID Ishtar with unknown local system ID.
The machine needs to have a system ID configured. See lvmsysystemid(7)
and edit lvm.conf/lvmlocal.conf. Then vgcreate will use the machine's
system for the new VG. Using --systemid overrides the local value which
you don't want.
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