Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 04/06/2015 8:50 PM, "Kimly Heler" <kimlyheler at gmail.com> wrote:
>
> Hello,
>
> I have 2 of two-node clusters in different data centers. I have
configured drbd of lvm resource on each cluster. Now I need to configure a
stacked drbd on top of these 2 clusters.
>
> It should be similar to section 8.4.2 in
http://drbd.linbit.com/users-guide-emb/s-pacemaker-stacked-resources.html
except
I need to find a way to assign floating IPs to the stacked drbd.
>
> Here is what I derived from the user guide:
>
> resource clusterA {
> net {
> protocol C;
> }
>
> on host1-datacenterA {
> device /dev/drbd0;
> disk /dev/sda6;
> address 10.0.0.1:7788;
> meta-disk internal;
> }
>
> on host2-datacenterA {
> device /dev/drbd0;
> disk /dev/sda6;
> address 10.0.0.2:7788;
> meta-disk internal;
> }
> }
>
> resource clusterB {
> net {
> protocol C;
> }
>
> on host1-datacenterB {
> device /dev/drbd0;
> disk /dev/sda6;
> address 10.0.0.3:7788;
> meta-disk internal;
> }
>
> on host2-datacenterB {
> device /dev/drbd0;
> disk /dev/sda6;
> address 10.0.0.3:7788;
> meta-disk internal;
> }
> }
>
> resource r0 {
> net {
> protocol A;
> }
>
> stacked-on-top-of clusterA {
> device /dev/drbd10;
> address 192.168.42.1:7788; # Virtual IP of cluster A
> }
>
> stacked-on-top-of clusterB {
> device /dev/drbd10;
> address 192.168.42.2:7788; # Virtual IP of cluster B
> }
> }
>
> With this, it would error out with the virtual IP address with "IP not
found on host".
>
> I also looked at Floating peers in the user guide, but floating
192.168.42.1:7789 would replace the whole section stacked-on-top-of.
>
> How can I tell drbd that r0 is a stacked drbd resource, and the peers IPs
are floating?
>
Did you try setting:
net.ipv4.ip_nonlocal_bind=1
so apps can bind to non local ip?
> Thanks in advance
>
> Kimly
>
>
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>
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