[DRBD-user] drbd0: Digest integrity check FAILED.

Lars Ellenberg lars.ellenberg at linbit.com
Tue Jul 22 19:25:18 CEST 2008

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

On Tue, Jul 22, 2008 at 10:50:57AM -0600, Gregor Mosheh wrote:
> Hey there. I'm seeing a fair number of "drbd0: Digest integrity check  
> FAILED." in my messages. I mean, about every minute. What are the most  
> common causes of this?

most common?
bit flips due to "noise" on PCI bus while using tcp checksum offloading.

> After a digest failure, it disconnects with a ProtoColError, then  
> reconnects and resyncs, but this does make an online verification  
> practically impossible and I'm sure it's not great for performance.


: Lars Ellenberg                           http://www.linbit.com :
: DRBD/HA support and consulting             sales at linbit.com :
: LINBIT Information Technologies GmbH      Tel +43-1-8178292-0  :
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