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Re: [linux-lvm] vgscan && vgchange -ay at startup



On Tue, Aug 21, 2001 at 04:00:12PM +0200, Goetz Bock wrote:
> 
> On Tue, Aug 21 '01 at 17:53, Michael Tokarev wrote:
> > But how to have root mounted read-only?
> > I resolved problem with only one file that needs to be read-write --
> > it is /etc/mtab that I moved out to /var/run (modified glibc and
> this should be fixable with making /etc/mtab a link to /proc/mounts

I've done this on my system for about a month it seems to work fine.

> > mount itself).  So my root is now read-only at all times.  But how
> > to deal with lvm?  Should I move /etc/lvm* to /var also?
> The ideal solution would be to have LVM not write any files at all and
> do everything in memory. If I want to make a backup (e.g. when changing
> anything) either make the meta data journaling or save the backup to
> some where in /var
> 
> just my Û0.02 (soon equal to $0.02, btw on my mac this is an euro sign)

Yeah, that's in the works for the development version of LVM, but the 1.0x
series will likely always have the files in /etc.  I agree that it is better
not to have it write files by default, or at least not rely on them being
written out.

> But, I won't complain. LVM rocks as it is and I'm happy with it. 

:)

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