[DRBD-user] Cluster filesystem question

Lars Ellenberg lars.ellenberg at linbit.com
Thu Dec 1 20:13:45 CET 2011

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


On Thu, Dec 01, 2011 at 01:58:15PM -0500, Kushnir, Michael (NIH/NLM/LHC) [C] wrote:
> Hi Lars,
> 
> I'm a bit confused by this discussion. Can you please clarify the difference?
> 
> What I think you are saying is:
> 
> OK:
> Dual-primary DRBD -> cluster aware something (OCFS, GFS, clvmd, etc...) -> exported via iSCSI on both nodes -> multipathed on the client

No.

OK:
Dual-primary DRBD (done right) -> cluster aware something (OCFS, GFS, clvmd, etc...)

NOT OK:
-> exported via iSCSI on both nodes -> multipathed on the client

NOT OK:
anything non-cluster-aware using it "concurrently" on both nodes.

-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com



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