[DRBD-user] Recommendation on shared storage

Jose Perez jvoorhees1 at gmail.com
Thu Mar 19 18:55:14 CET 2009

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


any idea? :(

On Tue, Mar 17, 2009 at 4:35 PM, Jose Perez <jvoorhees1 at gmail.com> wrote:
> hi people:
>
> I pretend to build a HA cluster using Heartbeat with 2 nodes
> (Active/Standby). These nodes are just compatible computers (PCs), so
> they don't have any IPMI, RSA, APC or similar features to use stonith.
>
> I'm thinking about using DRBD to replicate information between both
> nodes so I would like someone with more experience than me give me
> some advices to achieve a reliable setup.
>
> - If I won't be able to use stonith to kill the other node in split
> brain situation... Does my information will be at risk?
> - If I use a dual-primary DRBD configuration... Is it possible that
> data loss occurs in split brain situations? Do I need to use GFS/OCFS
> in this scenario? How reliable is this for production use=
> - What would be that appropiate shared storage configuration for my HA
> Cluster? I have seen some posts talking about DRBD+NFS or DRBD+iSCSI..
> How reliable are the alternatives that I have?
>
> I'm trying to make the right choice of technologies for my cluster
> scenario so I would appreciate some advices. Please consider my ONLY
> TWO PCs available (both nodes), or maybe suggest me a better scenario
> (maybe a third PC or something else) so I can evaluate the better
> choice.
>
> Thanks people , bye :)
>



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