On 06/13/2013 10:42 AM, Martin Simmons wrote:

> The FD error "Network send error to SD ERR=Connection reset by peer" means
> that the FD unexpectedly lost contact (at the TCP level) with the SD while
> writing data to it.
> 
> I think the only possible causes are:
> 
> 1. The network broke between the FD and the SD.
> 2. The SD died.
> 3. The FD got a different error but reported it incorrectly (not very likely).

4. I've seen linux drop packets (even ping) under load. In fact we have
two identical machines sitting next to each other, when backup kicks in
one of them -- but not the other -- goes from

PING OK - Packet loss = 0%, RTA = 0.71 ms
to
PING WARNING - Packet loss = 0%, RTA = 133.52 ms

(This is on 2.6 series kernels.)
-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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