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Tweak IPMI retry to be more aggressive to reduce impact of occasional drops

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@13371 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2012-07-30 19:22:46 +00:00
parent 753efd9492
commit 18052caaef
1 changed files with 7 additions and 5 deletions
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12
xCAT-server/lib/perl/xCAT/IPMI.pm
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@ -13,8 +13,10 @@ BEGIN
use lib "$::XCATROOT/lib/perl";
use strict;
use warnings "all";
use Time::HiRes qw/time/;
use IO::Socket::INET qw/!AF_INET6 !PF_INET6/;
my $initialtimeout=0.200;
my $doipv6=eval {
require Socket6;
@ -417,9 +419,9 @@ sub waitforrsp {
sub timedout {
my $self = shift;
$self->{timeout} = $self->{timeout}+1;
if ($self->{timeout} > 5) { #giveup, really
$self->{timeout}=1;
$self->{timeout} = $self->{timeout}*2;
if ($self->{timeout} > 7) { #giveup, really
$self->{timeout}=$initialtimeout;
my $rsp={};
$rsp->{error} = "timeout";
$self->{ipmicallback}->($rsp,$self->{ipmicallback_args});
@ -717,7 +719,7 @@ sub parse_ipmi_payload {
$rsp->{cmd} = shift @payload;
$rsp->{code} = shift @payload;
$rsp->{data} = \@payload;
$self->{timeout}=1;
$self->{timeout}=$initialtimeout;
$self->{ipmicallback}->($rsp,$self->{ipmicallback_args});
return 0;
}
@ -825,7 +827,7 @@ sub sendpayload {
$sessions_waiting{$self}->{ipmisession}=$self;
if ($args{delayxmit}) {
$sessions_waiting{$self}->{timeout}=time()+$args{delayxmit};
$self->{timeout}=1; #since we are burning one of the retry attempts, start the backoff algorithm faster to make it come out even
$self->{timeout}=$initialtimeout/2; #since we are burning one of the retry attempts, start the backoff algorithm faster to make it come out even
undef $args{delayxmit};
return; #don't actually transmit packet, use retry timer to start us off
} else {