[ClusterLabs] Antw: [EXT] NFS in different subnets

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Mon Apr 20 08:21:13 EDT 2020


>>> Daniel Smith <Daniel.Smith at craneww.com> schrieb am 17.04.2020 um 17:59 in
Nachricht
<15589_1587139254_5E99D2B5_15589_26_36_BL0PR12MB2419726B98871042D069FAFB80D90 at BL
PR12MB2419.namprd12.prod.outlook.com>:
> I have been searching how to customize pacemaker to manage NFS servers in 
> separate datacenters, but I am finding older data that suggests this is a
bad 
> idea and not much information about how to customize it to do this without 
> the 1 IP being moved back and forth. If this isn't the best tool, please let

> me know, but here is the setup I am trying to do if someone can help point
me 
> to some information on how the best way is to do this.
> 
> Server 1:              DC01‑NFS01, 10.0.1.10/24
> Server 2:              DC02‑NFS01, 10.0.2.10/24
> NFS share:           nfs01.domain.local:/opt/nfsmounts using drbd to sync 
> between datacenters
> DC01 to DC02 has a 2Gb layer 2 connection between the datacenters
> 
> I would like to have pacemaker manage the NFS services on both systems in an

> active/passive setup where it updates the DNS servers with the active 
> server's IP for nfs01.domain.local. Eventually, we will have a virtual
switch 
> in VMWare that I would like pacemaker to update, but for now, the delay in 
> DNS updates will be acceptable for failover.

So basically you don't have a common IP address between both data centers?

> 
> Thank you in advance for any help you can provide.
> 
> Daniel Smith
> Network Engineer
> 15894 Diplomatic Plaza Dr | Houston, TX 77032
> P: 281‑233‑8487 | M: 832‑301‑1087
> Daniel.Smith at craneww.com<mailto:Daniel.Smith at craneww.com>
>
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> aneww.com/>





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