[DRBD-user] Reading verification - Protocol D?

Lars Ellenberg lars.ellenberg at linbit.com
Fri Apr 6 13:05:56 CEST 2007

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, Apr 05, 2007 at 10:47:25AM -0700, Martin Fick wrote:
> Have there been any thoughts of creating a version of
> DRBD, maybe a new protocol: D, that would perform
> reads from both nodes to ensure data integrity, maybe
> with some form of checksumming added in to help
> recover from any inconsistencies?  Or, is there some
> better way to achieve this using DRBD and some form of
> RAID?  The idea that might data could just morph on
> disk sometimes scares me. :)  Or this could simply be
> a way to sanity check drbd to uncover any programming
> problems that would cause the nodes to become
> inconsistent.

we have "oneline verification" in our DRBD+ flavour.

: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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