[DRBD-user] Transfer rates
bernd-schubert at web.de
Thu Jun 24 18:13:17 CEST 2004
> I have a gigabit connection but I am not sure if my transfer rates are
> Could someone provide some figures which real troughput can be expected
> with drbd and 1000Mbit.
> drbd shows
> version: 0.6.12 (api:64/proto:62)
> 0: cs:SyncingAll st:Primary/Secondary ns:20803700 nr:0 dw:0 dr:20803860
> pe:15 ua:0
> [>...................] sync'ed: 3.8% (305724/317546)M
> finish: 2:59:12h speed: 29,274 (28,962) K/sec
depending on the speed of the disk of our failover server (it only has one
250MB ide disk) we get transfer rates between 40 and 60MB/s.
> NFS gives me only 120Mbit if I test with dd.
> So something might be wrong here....
Did you already try to enable nfs over tcp? We got around 800MBit in our
Also, the network cards might be important. Our computer center suggested to
use Syskonnect cards and we are very pleased with the SK-9821 cards.
Physikalisch Chemisches Institut / Theoretische Chemie
e-mail: bernd.schubert at pci.uni-heidelberg.de
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