Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2004-04-07 14:47:54 +0200 \ Andreas Semt: > >>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 --- > 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. so then, it is not the network throughput. maybe disk throughput, or the combined latencies of local disk, network and remote disk. you have to "benchmark" each of them in turn... Lars Ellenberg