[DRBD-user] DRBD configuration with HA NFS

Digimer lists at alteeve.ca
Tue Mar 22 07:07:28 CET 2016

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On 16/03/16 02:56 AM, Vijay Somkuwar wrote:
> Dear Team,
> To installed SAP in HA environment, I need to create DRBD with HA NFS
> mode. I had follow guide from Suse but unable to mount this volume on
> both node.

Link the tutorial please.

What do you mean, exactly, by "unable to mount this volume on both
node."? If you're trying to mount the FS you're exporting over NFS, then
you probably shouldn't do that.

Active/Passive HA means that it runs on one node, normally, and starts
on the second node automatically if the old host node fails (after being

To mount the same data on both nodes, you need a cluster-aware file
system like gfs2, but that introduces a lot of complexity and a
performance hit from the overhead of coordinated (clustered) locking.
Even if you accept that, how would you manage which node clients connect to?

> Kindly refer attached DRBD configuration file and suggest correct
> configuration for DRBD. Should I able to mount this volume on both node
> with Read/write access and also mount this same volume third node with
> Read/Write access.
> Kindly guide for same.
> Regards,
> Vijay Somkuwar
> Solution Architect

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