diff --git a/PVE/CLI/pveceph.pm b/PVE/CLI/pveceph.pm
index 30e75076..341ac437 100755
--- a/PVE/CLI/pveceph.pm
+++ b/PVE/CLI/pveceph.pm
@@ -117,8 +117,8 @@ __PACKAGE__->register_method ({
 	    version => {
 		type => 'string',
 		# for buster, luminous kept for testing/upgrade purposes only! - FIXME: remove with 6.2?
-		enum => ['luminous', 'nautilus', 'octopus'],
-		default => 'nautilus',
+		enum => ['octopus', 'pacific'],
+		default => 'pacific',
 		description => "Ceph version to install.",
 		optional => 1,
 	    },
@@ -134,23 +134,26 @@ __PACKAGE__->register_method ({
     code => sub {
 	my ($param) = @_;
 
-	my $cephver = $param->{version} || 'nautilus';
+	my $cephver = $param->{version} || 'pacific'; # NOTE: always change default here too!
 
 	my $repolist;
-	if ($cephver eq 'nautilus') {
-	    $repolist = "deb http://download.proxmox.com/debian/ceph-nautilus buster main\n";
-	} elsif ($cephver eq 'luminous') {
-	    die "Not allowed to select version '$cephver'\n" if !$param->{'allow-experimental'};
-	    $repolist = "deb http://download.proxmox.com/debian/ceph-luminous buster main\n";
-	} elsif ($cephver eq 'octopus') {
-	    $repolist = "deb http://download.proxmox.com/debian/ceph-octopus buster main\n";
+	if ($cephver eq 'octopus') {
+	    $repolist = "deb http://download.proxmox.com/debian/ceph-octopus bullseye main\n";
+	    # FIXME: delete below for release!
+	    warn "NOTE: using internal test repository as public may not be available yet\n";
+	    $repolist = "deb http://repo.proxmox.com/staging/ceph-octopus bullseye ceph-15\n"; # TODO: for test only, delete
+	} elsif ($cephver eq 'pacific') {
+	    $repolist = "deb http://download.proxmox.com/debian/ceph-pacific bullseye main\n";
+	    # FIXME: delete below for release!
+	    warn "NOTE: using internal test repository as public may not be available yet\n";
+	    $repolist = "deb http://repo.proxmox.com/staging/ceph-pacific bullseye ceph-16\n"; # TODO: for test only, delete
 	} else {
 	    die "not implemented ceph version: $cephver";
 	}
 	PVE::Tools::file_set_contents("/etc/apt/sources.list.d/ceph.list", $repolist);
 
 	warn "WARNING: installing non-default ceph release '$cephver'!\n"
-	    if $cephver !~ qr/^(?:nautilus|octopus)$/;
+	    if $cephver !~ qr/^(?:octopus|pacific)$/;
 
 	local $ENV{DEBIAN_FRONTEND} = 'noninteractive';
 	print "update available package list\n";
diff --git a/www/manager6/ceph/CephInstallWizard.js b/www/manager6/ceph/CephInstallWizard.js
index 76fbdc63..00ac2cc4 100644
--- a/www/manager6/ceph/CephInstallWizard.js
+++ b/www/manager6/ceph/CephInstallWizard.js
@@ -49,9 +49,8 @@ Ext.define('PVE.ceph.CephVersionSelector', {
 	    },
 	},
 	data: [
-	    { release: "nautilus", version: "14.2" },
 	    { release: "octopus", version: "15.2" },
-	    //{release: "pacific", version: "16.1"},
+	    { release: "pacific", version: "16.2" },
 	],
     },
 });