[DRBD-user] DRBD 8.2 OUT OF MEMORY

Leroy van Logchem leroy.vanlogchem at wldelft.nl
Fri Oct 12 14:08:19 CEST 2007

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


> Additionally, i see bonding 2 gbit seems not to help goin toward 1gbit wall
> (syncer seems stuck at 110-115 MB/sec)
> Disk subsystem is providing 300-500 Mb/sec without problems.
> I run 2 e1000 bonded interface, test done both in rr and alb mode, with tso
> enabled/disabled, and flow control disabled. Iperf shows:
>
> [  5]  0.0-10.0 sec  1.30 GBytes  1.12 Gbits/sec
> [  4]  0.0-10.0 sec   578 MBytes   484 Mbits/sec
>
> Any thoughts?
>   

Try with these sysctl.conf entries:

net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_rmem = 4096        87380   16777216
net.ipv4.tcp_wmem = 4096        87380   16777216
net.ipv4.tcp_reordering = 100
net.core.netdev_max_backlog = 10000
net.core.rmem_default = 110592
net.core.wmem_default = 110592
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216



-- 
Leroy



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