[DRBD-user] dedicated network connection

Lionel Sausin ls at numerigraphe.com
Mon Nov 26 18:04:59 CET 2012

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

Direct back-to-back means a dedicated pair of NICs and a single cable 
between them - this  optimizes latency which DRBD is sensitive to.
DRBD is known to work on lesser configurations too, with varying 
performance impacts.
The IP network should not matter as far as I know.
Lionel Sausin

Le 25/11/2012 20:46, marcus a écrit :
> Hello
> Thank you for making this product available!
> In your documentation you say:
> "It is recommended that you run your DRBD replication over a 
> "dedicated connection", preferably  a "direct, back-to-back, Gigabit 
> Ethernet connection."
> Does this mean a second NIC (in each host) on the same subnet,
> a second NIC (in each host) on a different, separate switch and subnet,
> or a second NIC (in each host) and a configured cross-over cable??
> I am configuring 2 servers on a small network.  One as primary and the 
> second as a hot standby.  I want to use DRBD to replicate  the data 
> partition.
> thanks in advance
> Marcus

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