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2006-06-20 23:06:05 by steve

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The --force flag will now delete + recreate LVM volumes if they were
   already present - giving a similar result to the same flag on loopback
   images.
This commit is contained in:
steve
2006-06-20 23:06:05 +00:00
parent 3d1619ceb3
commit bc17023d86
1 changed files with 45 additions and 9 deletions
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54
bin/xen-create-image
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@@ -432,7 +432,7 @@ Install an X11 server, using VNC and XDM
-- --
http://www.steve.org.uk/ http://www.steve.org.uk/
$Id: xen-create-image,v 1.36 2006-06-20 22:48:35 steve Exp $ $Id: xen-create-image,v 1.37 2006-06-20 23:06:05 steve Exp $
=cut =cut
@@ -844,7 +844,7 @@ sub parseCommandLineArguments
if ( $VERSION ) if ( $VERSION )
{ {
my $REVISION = '$Revision: 1.36 $'; my $REVISION = '$Revision: 1.37 $';
if ( $REVISION =~ /1.([0-9.]+) / ) if ( $REVISION =~ /1.([0-9.]+) / )
{ {
@@ -1172,16 +1172,52 @@ sub createLoopbackImages
sub createLVMBits sub createLVMBits
{ {
# # The two volumes we will need to use..
# The two volumes we will need to use.. my $disk = $CONFIG{'hostname'} . "-disk" ;
# my $swap = $CONFIG{'hostname'} . "-swap" ;
my $disk = $CONFIG{'hostname'} . "-disk" ;
my $swap = $CONFIG{'hostname'} . "-swap" ;
# #
# TODO: Check whether the volumes exist, and if so abort # Check whether the disk volume exists already, and if so abort
# unless '--force' is specified. # unless '--force' is specified.
# #
my $lvm_disk = "/dev/$CONFIG{'lvm'}/$CONFIG{'hostname'}-disk";
if ( -e $lvm_disk )
{
# Delete if forcing
if ( $CONFIG{'force'} )
{
runCommand( "lvremove --force $lvm_disk" );
}
else
{
print "The LVM disk image already exists. Aborting.\n";
print "Specify '--force' to delete and recreate\n";
exit;
}
}
#
# Check whether the sawp volume exists already, and if so abort
# unless '--force' is specified.
#
my $lvm_swap = "/dev/$CONFIG{'lvm'}/$CONFIG{'hostname'}-swap";
if ( -e $lvm_swap )
{
# Delete if forcing
if ( $CONFIG{'force'} )
{
runCommand( "lvremove --force $lvm_swap" );
}
else
{
print "The LVM sawp image already exists. Aborting.\n";
print "Specify '--force' to delete and recreate\n";
exit;
}
}
# #
# Modify the sizes to something reasonable # Modify the sizes to something reasonable