I tested the link speed with iperf and on average I get 7 Gbit/s
With the c-plan-ahead option I was able to request I higher syncer rate.
Unfortunately the rate is still limited to
~1Gbit/s.
Can Somebody confirm a syncer rate > 1Gbit/s when using drbd8.4?
Or should I switch back to drbd8.3?
[root@vmhost1a ~]# cat /proc/drbd
version: 8.4.1 (api:1/proto:86-100)
GIT-hash: 91b4c048c1a0e06777b5f65d312b38d47abaea80 build by dag@Build64R6,
2011-12-21 06:08:50
0: cs:SyncTarget ro:Secondary/Secondary ds:Inconsistent/UpToDate C r-----
ns:0 nr:0 dw:0 dr:20928000 al:0 bm:1277 lo:0 pe:8 ua:0 ap:0 ep:1 wo:b
oos:1457787088
[>....................] sync'ed: 1.5% (1423620/1444048)M
finish: 3:31:45 speed: 114,728 (112,484) want: 409,600 K/sec
Best regards,
Maurits van de Lande
| Van de Lande BV. | Lissenveld 1 | 4941VK | Raamsdonksveer | the Netherlands
|T +31 (0) 162 516000 | F +31 (0) 162 521417 | www.vdl-fittings.com |
-----Oorspronkelijk bericht-----
Van: [email protected]
[mailto:[email protected]] Namens Maurits van de Lande
Verzonden: zondag 29 januari 2012 11:50
Aan: [email protected]
Onderwerp: Re: [DRBD-user] drbd and 10Gb/s network how to increase syncer rate
beyond 100MB/s?
thank you for your feedback.
I'll try the c-plan-head option.And test the link speed with iperf.
>Variable-rate synchronization is on by default in DRBD 8.4. I had to
>set c-plan-head to 0 before I was able to change sync rate even
>temporarily. More information can be found at
>http://www.drbd.org/users-guide/s-recent-changes-defaults.html.
Thanks,
Maurits van de Lande
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