We tried to follow the Linstor documentation for setting up multiple network
paths, but there seems to be a step missing.
First, we created 2 NICs on each node...
# linstor node interface create ha52a-cl nic_core 192.168.8.100
# linstor node interface create ha52a-cl nic_repl 198.51.100.100
# linstor node interface create ha52b-cl nic_core 192.168.8.102
# linstor node interface create ha52b-cl nic_repl 198.51.100.102
The we set the preferred NIC for the storage pools...
# linstor storage-pool set-property ha52a-cl spool2 PrefNic nic_core
# linstor storage-pool set-property ha52b-cl spool2 PrefNic nic_core
Then we created the resource...
# linstor resource-group spawn-resources rgroup2 site436 603G
The resource was created successfully, but the .res file only shows
communication happening on one NIC.
connection
{
disk
{
c-fill-target 1048576;
c-max-rate 2048000;
}
host ha52a.mycharts.md address ipv4 198.51.100.100:7415;
host ha52b.mycharts.md address ipv4 198.51.100.102:7415;
}
Per the DRBD 9 docs, there should be "path" entries like this...
resource site436 {
...
connection {
path {
host ha52a-cl address 192.168.8.100:7900;
host ha52b-cl address 192.168.8.102:7900;
}
path {
host ha52a-cl address 198.51.100.100:7900;
host ha52b-cl address 198.51.100.102:7900;
}
}
...
}
What did we miss? There seems to be a step missing in the documentation where
it tells you how to make DRBD use both NICs and not just the preferred one.
-Eric
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