[DRBD-user] drbd 0.8 active/active and lvm - What stupid thing am I doing?

Lars Ellenberg Lars.Ellenberg at linbit.com
Thu Jan 18 14:28:25 CET 2007


/ 2007-01-18 12:54:47 +0100
\ Leroy van Logchem:
> 
> >>	lvcreate /dev/shared/mysql 1G lv
> >>		Node1: f935fef26a51ea329892571a4a7e0922  -
> >>		Node2: f935fef26a51ea329892571a4a7e0922  -
> >>    
> >
> >does it happen to use the "lower level device"?
> >check your lvm filter settings.
> >check what pvscan -vvvvv says it is using.
> >  
> 
> lvm.conf:
> filter = [ "r|/dev/<real blockdevice>|" ]

caution, in certain setups the same <real blockdevice> may appear
aliased multiple times, /dev/disk/by-id... /dev/evms/...
not sure how lvm will handle it if you exclude one alias,
and not the other...

in the long run, lvm tools probably need to add special-case handling
for drbd as they do for md.

-- 
: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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