[DRBD-user] Broken connection when drbd starts the sync

Zachár Balázs zachar at direkt-kfki.hu
Fri Dec 8 20:56:18 CET 2006

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

Firstly, Thx for the answer, I searched program like this many times but
I never found! So now, I am happy! :)

Secondly, I run the tests but they were successfully! I run it for 30
sec and 600 sec (the correct form for the time limit: iperf -c node1 -t
30) but both test were right!

There isn't firewall on these nodes yet.

Another idea?


Daniel van Ham Colchete írta:
> Balázs,
> if I were you I would first test my network conection on intensive 
> traffic.
> Try using IPERF (http://dast.nlanr.net/Projects/Iperf/). Start iperf
> with "iperf -s" at the first node a them "iperf -c node1 -s 30" on the
> second. If everything goes OK, them increase the test time (-s 30 = 30
> seconds).
> This will tell you if your having any problems with the
> driver/kernel/NIC/cable systems. You could also check your firewall
> rules for any climit/limit rule.
> Best regards,
> Daniel Colchete
> On 12/8/06, Zachár Balázs <zachar at direkt-kfki.hu> wrote:
>> Hello @list!
>> I use drbd 0.7.21 on SUSE prof 10.1.
>> I configured it and when I starting the drbd, everything looks fine, but
>> when It starting to sync it works fine about 10 sec and then crash.
>> Between the two PC I use Cat 6 cross 1000 Mb/s cable.
>> Before the crash I can ping the onother node on the drbd interface but
>> after the crash I can't!!! And there isn't any link down message in the
>> logs.
>> What is it mean magic?? in the B-node's log???
>> Thanks,
>> Balázs
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