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drbd-user: Re: [DRBD-user] dual primary mode with which FS

Re: [DRBD-user] dual primary mode with which FS

From: Lars Täuber <taeuber_at_nospam>
Date: Tue Mar 23 2010 - 14:28:22 GMT
To: drbd-user@lists.linbit.com

Hi,

Martijn Dekkers <mwd@lemon-computing.com> schrieb:
> >>> I have to set up drbd 8.0.14 (Debian stable) in dual-primary mode. One
> >>> node has to read and write while the other node only need read access.
>
> Maybe a redundant question - why would you want this specific setup?

Maybe the secondary node is the one that wants read-only access.
Reading from the primary which in turn reads from the secondary when its drives are gone is just network overhead.

Here is a reason why Andreas needs a cluster FS: E.g. ext3 will only by accident get to know about a change in fs.

Regards
Lars
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