drbd-user March 2010 archive
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drbd-user: Re: [DRBD-user] Guarantee write to both nodes

Re: [DRBD-user] Guarantee write to both nodes

From: Lars Ellenberg <lars.ellenberg_at_nospam>
Date: Fri Mar 19 2010 - 16:02:20 GMT
To: drbd-user@lists.linbit.com

On Fri, Mar 19, 2010 at 05:24:48PM +0200, Yuri Ushakov wrote:
> I need synchronous replication over network, but with one strict rule - if
> DRBD says something is written, it should already be written to both nodes.
> When secondary is down, and DRBD is still writing to the primary - that is
> not really synchronous replication. That behaviour makes it asynchronous,
> because actual write to the secondary node is delayed.
> In general, I want to ensure that when database transaction is commited, the
> data rests on both nodes. If secondary is unavailable, transaction should be
> rolled back.

In short, the feature you requests is somewhere on the far end of our
todo list. But feel free to reprioritize...

-- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed _______________________________________________ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user