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marsadm: check for already running sync, fix syncstatus

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Thomas Schoebel-Theuer 2012-08-16 16:41:23 +02:00 committed by Thomas Schoebel-Theuer
parent 325083115e
commit c532f909ad
1 changed files with 16 additions and 0 deletions
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16
userspace/marsadm
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@ -763,6 +763,22 @@ sub resize_res {
print "old_size=$old_size\n";
print "new_size=$min_size\n";
die "only increases of the size are possible\n" if $min_size <= $old_size && !$force;
foreach my $switch (glob("$mars/resource-$res/todo-*/sync")) {
my $this_switch = readlink($switch);
die "cannot read symlink '$switch'\n" unless defined($this_switch);
die "sync on '$switch' is switched on -- use marsadm pause-sync to stop\n" unless !$this_switch;
}
my @syncsizes = glob("$mars/resource-$res/syncstatus-*");
foreach my $syncsize (@syncsizes) {
my $this_size = readlink($syncsize) or die "cannot read symlink '$syncsize'\n";
die "sync on $syncsize has not yet finished\n" unless $this_size == $old_size;
}
foreach my $syncsize (@syncsizes) {
my $this_size = readlink($syncsize) or die "cannot read symlink '$syncsize'\n";
unlink("$syncsize.new");
symlink($min_size, "$syncsize.new") or die "cannot create size symlink '$syncsize.new'\n";
rename("$syncsize.new", $syncsize) or die "cannot create size symlink '$syncsize'\n";;
}
unlink("$lnk.new");
symlink($min_size, "$lnk.new") or die "cannot create size symlink '$lnk.new'\n";
rename("$lnk.new", $lnk) or die "cannot create size symlink '$lnk'\n";;