Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Lars Marowsky-Bree wrote:
>
>>And: What maximum performance i can expect with such a hardware
>>configuration (production use experience anybody)?
>
>
> You could easily see >80MB/s. This will to a large degree depend on your
> physical disks.
>
Not with my configuration :-(
i only get:
--- snip ---
testnode1:~# cat /proc/drbd
version: 0.6.12 (api:64/proto:62)
0: cs:SyncingAll st:Primary/Secondary ns:1235920 nr:0 dw:0 dr:1236060
pe:881 ua:0
[>...................] sync'ed: 0.3% (96043/96256)M
finish: 3:47:11h speed: 7,245 (7,245) K/sec
--- snap ---
and here my config:
--- snip ---
testnode2:~# drbdsetup /dev/nb0 show
Lower device: 58:03 (/dev/lvmvg/backup)
Disk options:
Local address: 10.1.1.2:7789
Remote address: 10.1.1.1:7789
Wire protocol: C
Net options:
timeout = 6.0 sec
tl-size = 5000
connect-int = 10 sec
ping-int = 10 sec
sndbuf-size = 131070
sync-min = 40960 KB/sec
sync-max = 81920 KB/sec
sync-nice = 1
--- snap ---
What can cause this slowly drbd performance? Any suggestions? I've used
NetIO to get a feeling for the GBit Ethernet fitness and this brought up
a rate (with TCP/IP) of around 100 MByte/sec. So the network works fine,
i think.
--
Best regards,
Andreas Semt