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Re: DRDB/Performance

 

 

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philipp at example

Jul 21, 2000, 11:38 AM

Post #1 of 1 (367 views)
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Re: DRDB/Performance

Am Don, 20 Jul 2000 schriebst Du:
>Hallo Philipp Reisner,
>ich hoffe diese Adresse ist ok (kde [at] example;-)...
>Ich haette gerne Informationen zur Performance von DRDB (oder
>Abschaetzungen dazu), wenn man schnelle SCSI-Platten einsetzt und z.B.
>Gigabyte-Ethernet o.ae. -
>
>Bei allen Performance-Hinweisen in der DRDB-Doku (oder Ihrer/Deiner?
>Diplomarbeit) ist immer das langsamste Mitglied der Kette der
>beschraenkende Faktor, allerdings liegen alle Beispiele im
>10MB/s-Bereich. Geht´s auch schneller und gibt es dazu Erfahrungs-Werte?
>Oder brechen die Werte (wie sich in Abb. 5.3, Kap. 5.4 in der
>Diplomarbeit andeutet) ein?
>

[ Stefan is looking for DRBD Performance results bejond 10MB/s ]

There are no results on gigabit yet. If you test it over gigabit ethernet,
please consider to send me the results.

I wanted to test it over "bonded" interfaces (200MBit/s), but unfortunately the
kernel crashed with aiee when I tried to set up the bond0 network
interface.

When you want to achive good performance with prot. C you need a link with
low latency ---> Crossover cable is better than a hub.

This is also the reason for the decline in Abb 5.3 of the diploma thesis, the
latter values are from a setup with a hub. While the values which are closer
to the 100% line are from setups with crossover cables.

-Philipp

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