Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Tue, Jul 7, 2009 at 12:14 PM, Heiko <rupertt at gmail.com> wrote:
> Hello,
>
> I want to switch from one line to 2 lines. I have a dedicated line without
> any switches now.
> How do I have to change the heartbeat and drbd config to use both lines?
> Can I just add the new IPs to the ha.cf? Hostname will be the same
>
> #use_logd on
> logfile /var/log/ha-log
> debugfile /var/log/ha-debug
> logfacility local0
> keepalive 2
> deadtime 10
> warntime 3
> initdead 20
> udpport 694
> ucast eth0 172.17.8.201 #old
> ucast eth0 172.17.8.202 #old
> ucast eth0 172.31.0.1 #new
> ucast eth0 172.31.0.2 #new
of cource I meant "ucast eth1 172.31.0.1/2"
>
> node xen-a1
> node xen-b1
> auto_failback on
>
>
> How do i have to change the drbd.conf, should I only use the dedicated LAN?
> What happens when I only use the dedicated LAN an restart drbd/heartbeat,
> will i
> get a splitbrain because they see each other not during that restart?
>
> resource bloon {
> protocol C;
> startup {
> degr-wfc-timeout 120; # 2 minutes.
> degr-wfc-timeout 120; ## 2 minutes.
> }
> disk {
> on-io-error detach;
> }
> net {
> after-sb-0pri disconnect;
> after-sb-1pri disconnect;
> after-sb-2pri disconnect;
>
> # allow-two-primaries;
> after-sb-0pri discard-zero-changes;
> after-sb-1pri discard-secondary;
> timeout 60;
> # connect-int 10;
> # ping-int 10;
> # max-buffers 2048;
> # max-epoch-size 2048;
> }
> syncer {
> # group 100;
> al-extents 257;
> rate 20M;
> }
>
> on xen-a1 {
> device /dev/drbd0;
> disk /dev/VolGroup00/lv_bloon;
> address 172.17.8.201:7788;
>
> meta-disk internal;
> }
>
> on xen-b1 {
> device /dev/drbd0;
> disk /dev/VolGroup00/lv_bloon;
> address 172.17.8.202:7788;
> meta-disk internal;
> }
> }
>
>
> greetings
>
>
> .r
>
> On Sat, Jul 4, 2009 at 3:58 AM, Scott Inderlied <
> scott at northwestcomputer.biz> wrote:
>
>> ha.cf
>>
>> #use_logd on
>> logfile /var/log/ha-log
>> debugfile /var/log/ha-debug
>> logfacility local0
>> keepalive 2
>> deadtime 10
>> warntime 3
>> initdead 20
>> udpport 694
>> ucast eth0 172.20.1.1
>> ucast eth0 172.20.2.1
>>
>> # using different subnets won’t make any difference. Install another nicand use a crossover or us a serial cable. What you experienced is by design
>> to prevent splitbrain
>> node xen-A1.fra1.mailcluster
>> node xen-B1.fra1.mailcluster
>> auto_failback on
>>
>>
>>
>> *From:* drbd-user-bounces at lists.linbit.com [mailto:
>> drbd-user-bounces at lists.linbit.com] *On Behalf Of *Heiko
>> *Sent:* Friday, July 03, 2009 09:01
>> *To:* drbd-user at lists.linbit.com
>> *Subject:* [DRBD-user] switch was down, all drbd machines rebootet
>>
>>
>>
>> Hello,
>>
>>
>> i had an earlier discussion here where we came to the conclusion that
>> using Protocol C can cause crashes.
>> Yesterday we had problems with one of our switches and therefore the drbd
>> enabled machines couldnt see each other,
>> than all the machines did reboots, created splitbrains and a lot of work.
>> Do you think the crashes/reboots are caused by the same problem or can we
>> prevent this behavouir by optimizing our
>> heartbeat drbd config? Ill attach a drbd config and the ha.cf
>>
>> ---------------------------------
>> drbd.conf
>>
>> common {
>> protocol C;
>> }
>>
>>
>>
>> resource drbd_backend {
>> startup {
>> degr-wfc-timeout 120; # 2 minutes.
>> }
>> disk {
>> on-io-error detach;
>> }
>> net {
>> }
>> syncer {
>> rate 500M;
>> al-extents 257;
>> }
>>
>> on xen-B1.fra1.mailcluster {
>> device /dev/drbd0;
>> disk /dev/md3;
>> address 172.20.2.1:7788;
>> meta-disk internal;
>> }
>> on xen-A1.fra1.mailcluster {
>> device /dev/drbd0;
>> disk /dev/md3;
>> address 172.20.1.1:7788;
>> meta-disk internal;
>> }
>> }
>>
>> ---------------------------------------
>> ha.cf
>>
>> #use_logd on
>> logfile /var/log/ha-log
>> debugfile /var/log/ha-debug
>> logfacility local0
>> keepalive 2
>> deadtime 10
>> warntime 3
>> initdead 20
>> udpport 694
>> ucast eth0 172.20.1.1
>> ucast eth0 172.20.2.1
>> node xen-A1.fra1.mailcluster
>> node xen-B1.fra1.mailcluster
>> auto_failback on
>>
>>
>>
>> thnx a lot
>>
>>
>> .r
>>
>> _______________________________________________
>> drbd-user mailing list
>> drbd-user at lists.linbit.com
>> http://lists.linbit.com/mailman/listinfo/drbd-user
>>
>>
>
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