[DRBD-user] Bonding [WAS repeated resync/fail/resync]

Joe Landman landman at scalableinformatics.com
Thu Jan 13 22:31:10 CET 2011

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


On 01/13/2011 04:28 PM, Steve Thompson wrote:
> On Sat, 8 Jan 2011, Steve Thompson wrote:
>
> CentOS 5.5, x86_64, drbd 8.3.8, Dell PE2900 servers w/16GB memory. The
> replication link is a dual GbE bonded pair (point-to-point, no switches)
> in balance-rr mode with MTU=9000. Using tcp_reordering=127.

Ahhh ... Dells.

These wouldn't be, I dunno, Broadcom NICs perchance?

[...]

> My question is: WTF? I'd really like to get the bonding pair working
> again, for redundancy and performance, but it very quickly falls apart
> in this case. I'd appreciate any insight into this that anyone can give.

If you have a pair of dual port Intel GbE NIC cards, give them a try.



-- 
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics Inc.
email: landman at scalableinformatics.com
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        http://scalableinformatics.com/sicluster
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