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Bug#776313: [installation-guide] Installation manual should warn about the use of LVM partition types



Hi,

Ben Hutchings <ben@decadent.org.uk> wrote:
> On Sun, 2018-07-29 at 08:22 +0200, Holger Wansing wrote:
> [...]
> > diff --git a/en/using-d-i/modules/partman-lvm.xml b/en/using-d-i/modules/partman-lvm.xml
> > index 89b32b958..4a5378c0d 100644
> > --- a/en/using-d-i/modules/partman-lvm.xml
> > +++ b/en/using-d-i/modules/partman-lvm.xml
> > @@ -41,7 +41,18 @@ to be used as physical volumes for LVM. This is done in the
> >  <menuchoice> <guimenu>Use as:</guimenu> <guimenuitem>physical volume
> >  for LVM</guimenuitem> </menuchoice>.
> >  
> > -</para><para>
> > +</para><warning><para>
> > +
> > +Be aware: the new LVM setup will destroy all data on all partitions marked with
> > +an LVM type code. So, if you already have an LVM on some of your disks, and
> > +want to install Debian additionally to that machine, the old (already existing)
> > +LVM will be wiped out! The same counts for partitions, which are (for any
> > +reason) misleadingly marked with an LVM type code, but contain something
> > +different (like an encrypted volume). You need to remove such disks from the
> > +system, before performing a new LVM setup! And - as always - you need to have
> > +backups of your data. You made that backups, as we already told you, right?
> > +
> > +</para></warning><para>
> [...]
> 
> I think the last sentence is not really necessary.


Ok, skipped.



diff --git a/en/using-d-i/modules/partman-lvm.xml b/en/using-d-i/modules/partman-lvm.xml
index 89b32b958..0f320ba21 100644
--- a/en/using-d-i/modules/partman-lvm.xml
+++ b/en/using-d-i/modules/partman-lvm.xml
@@ -41,7 +41,17 @@ to be used as physical volumes for LVM. This is done in the
 <menuchoice> <guimenu>Use as:</guimenu> <guimenuitem>physical volume
 for LVM</guimenuitem> </menuchoice>.
 
-</para><para>
+</para><warning><para>
+
+Be aware: the new LVM setup will destroy all data on all partitions marked with
+an LVM type code. So, if you already have an LVM on some of your disks, and
+want to install Debian additionally to that machine, the old (already existing)
+LVM will be wiped out! The same counts for partitions, which are (for any
+reason) misleadingly marked with an LVM type code, but contain something
+different (like an encrypted volume). You need to remove such disks from the
+system, before performing a new LVM setup!
+
+</para></warning><para>
 
 When you return to the main <command>partman</command> screen, you will see
 a new option <guimenuitem>Configure the Logical Volume Manager</guimenuitem>.



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