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marsadm: 'secondary' waits until device has disappeared

This commit is contained in:
Thomas Schoebel-Theuer 2013-06-06 15:51:48 +02:00
parent 15c76e9ffb
commit fd39137cc9
1 changed files with 14 additions and 2 deletions
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userspace/marsadm
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@ -1300,15 +1300,27 @@ sub primary_phase3 {
_primary_res($res, $new, $old);
}
# wait for device to appear
# wait for device to appear / disappear
sub primary_phase4 {
my ($cmd, $res) = @_;
return unless $cmd eq "primary";
return if $force;
my $name = get_link("$mars/resource-$res/device-$host");
my $dev = "/dev/mars/$name";
my $backoff = 1;
my $round = 0;
if($cmd eq "secondary") {
while (-b $dev) {
lwarn "device '$dev' has not yet disappeared\n";
sleep_timeout($backoff);
# very slowly increasing backoff
if ($backoff < 10 && $round++ > 5) {
$round = 0;
$backoff++;
}
}
lprint "device '$dev' is no longer present\n" unless -b $dev;
return;
}
while (! -e $dev) {
my $text = get_error_text($cmd, $res);
lprint $text if $text;