[linux-lvm] invalidate: busy buffer
Todd M. Roy
troy at holstein.com
Mon Dec 17 07:53:02 UTC 2001
My $0.02 ..
I never run vgscan unless I change my LVM configuration.
vgchange -a y of course must be run prior to mounting
LVM volumes. The one caveat is that /proc must be mounted,
and if root is mounted read only, as it usually is on boot,
you have to use the -n option to mount it.
So one may find early in my slackware rc.S file:
mount -n /proc
/sbin/vgchange -a y
umount -n /proc
yes, I umount /proc so the rc.S can mount it "normally" later.
-- todd --
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> From: Wolfgang Weisselberg <weissel at netcologne.de>
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> X-Original-Date: Mon, 17 Dec 2001 03:53:59 +0100
> Date: Mon, 17 Dec 2001 03:53:59 +0100
> Hi, Ulrich!
> Ulrich Wiederhold (U.Wiederhold at gmx.net) wrote 26 lines:
> > * Wolfgang Weisselberg <weissel at netcologne.de> [011216 20:50]:
> > > BTW, is there a good reason to run vgscan on boot time every
> > > time? I have had more sorrow than joy with that. If my
> > > vg's really changed, I can always run it from the (non-LVM)
> > > / which will come up, even if only as an emergency system.
> > Ok, but you need to run vgscan && vgchange -ay every time you wanna use
> > your LVM-drives, and I think that's normally every time you boot your
> > PC.
> Funny, my PC boots and mounts the LVs even though I commented
> out vgscan entirely in the boot process. vgchange is another
> thing, though...
> > But... I add them
> > to /etc/rcS.d/S99local incl. the mount command.
> Faaar to late -- considering that all the daemons start up early
> and need fancy things like /usr, /var and sometimes /tmp ..
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