[linux-lvm] vgchange doesn't enable found VGs
Brian J. Murrell
brian at interlinx.bc.ca
Fri Feb 27 17:30:30 UTC 2009
On Fri, 2009-02-27 at 17:02 +0000, Bryn M. Reeves wrote:
> So it's not scanning /dev/sda at all (only ramdisks?).
So it seems, yes.
> Do you have any
> filter settings in lvm.conf
dir = "/dev"
scan = [ "/dev" ]
preferred_names = [ ]
filter = [ "a/.*/" ]
cache_dir = "/etc/lvm/cache"
cache_file_prefix = ""
write_cache_state = 1
sysfs_scan = 1
md_component_detection = 1
ignore_suspended_devices = 0
> and are you sure that the SD device nodes
> will have been created at this point in the boot process?
Well, the data from the previous message was done on a fully booted
machine, complete with /dev/sda being present for many, many minutes if
> You don't mention the distribution you're using
> but most 2.6 based
> setups will use udev to manage driver loading and device node creation
> during boot. It's possible for these to get out of sync in some cases.
Yes, but again, the data I am giving you is being taken from a
completely up and running system.
> Is there any way you can grab a listing of /dev at the moment the
> vgchange runs during boot?
Not relevant per above.
> Did it scan /dev/sda this time?
> Just to be clear, are you only seeing this problem during boot or are
> you able to reproduce once the system has completed booting (i.e.
> vgchange -ay fails but vgchange -ay <vg name> succeeds)?
As per the above, I can reproduce on a completed booted system.
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