[CentOS] interesting kvm lvm collision issue
rswwalker at gmail.com
Wed Oct 27 18:53:12 EDT 2010
On Oct 27, 2010, at 3:02 PM, Iain Morris <iain.t.morris at gmail.com> wrote:
> On Tue, Oct 26, 2010 at 6:48 AM, Ross Walker <rswwalker at gmail.com> wrote:
> You need to exclude the LVs in the host VG from being scanned for sub-VGs. It's actually easier to just list what SHOULD be scanned rather than what shouldn't.
> Look in /etc/lvm/lvm.conf
> This worked, thanks. A couple of people emailed me separately on this. For others' reference, I added the following filter to lvm.conf on dom0 and disabled the default "get everything" filter. If anyone sees any pitfalls with this regex, I'm sure you'll let me know.
> (assuming your physical disks are sas/sata)
> filter = [ "a/^/dev/sd*/", "r/.*/" ]
For all HDs this should work:
filter = [ "a/^/dev/[hs]d*/", "r/.*/" ]
Run a 'vgscan -vv' to test.
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